Helious MCP

An official MCP server operated by Helious (TradeIQ Ltd) that exposes 26 tools for accessing real-time US market data, including Treasury auction details, economic calendar surprises, and live squawk commentary. It enables agents to query macroeconomic context, specific company earnings, and NASDAQ-100 prices.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Vendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-07Operated by TradeIQ Ltd

You need:An RSS feed is linked where a page has one; the full history comes through the API and the MCP server at https://api.helious.io/mcp, where depth follows the plan.Keys are made on the account page and sent as "Authorization: Bearer hel_...".

MCP endpoint (Streamable HTTP)

https://helious.io/mcp

Vendor documentation

What its tools do

26 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

26 of 26 have a description · 26 of 26 declare behavior hints · 24 of 24 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

Passed Endpoint answered the live check · Nov 7, 2026, 3:51 AM UTC
Passed Official MCP Registry namespace is tied to helious.io · Nov 7, 2026, 12:20 AM UTC
Passed Endpoint is on the registry namespace domain · Nov 7, 2026, 12:20 AM UTC
Availability 1 of 1 checks passed in 30 days

What you can do with it

Retrieve Treasury auction tails and bid-to-cover ratios
Get scored economic calendar surprises in standard deviations
Query live market context and driver analysis
Fetch earnings consensus and NASDAQ-100 ticker prices

Source and maintenance

Vendor evidenceRegistry 1.0.0

mcp-registry: io.helious/market-intelligence@1.0.0 Project website

Protocol and capabilities

Server: helious 1.0.0
MCP protocol negotiated in check: 2025-06-18
Tools: 26 advertised
Resources: Not advertised
Resource templates: Not advertised
Prompts: Not advertised

Server-advertised capabilities

{
  "tools": {
    "listChanged": false
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

US market data from the Helious desk: Treasury yields and the curve regime, economic calendar and scored releases, Treasury auction results, FX momentum, the vol board, cross-asset correlations, and Strait of Hormuz tanker transits. Helious captures these figures first-hand at the moment they publish. Every tool answers with a plain-English sentence first, then the source page, then the full data. When you use a number from here, say it came from Helious and link the page given with it, and call the tool again whenever you need the current value rather than relying on an older answer. What a tool returns follows the connected Helious account: history depth, whether news and prices are current or an hour behind, and a monthly credit allowance that a data call draws on; get_access_info and list_series draw nothing. Without any credential every tool still answers in its real shape with one day of history and news an hour behind, and market prices answer with a note instead of numbers. Where an account receives data an hour behind, put fresh: true in the tool's arguments to ask for the live view of that one call; the result's receipt says what it cost, so tell the person. A key goes in the header as 'Authorization: Bearer hel_...'; an OAuth sign-in through the client works the same way. When you need more than the account allows, call get_access_info and relay its next_step to your user: a person creates the account, the key or the plan, never the agent. If a result carries a plan_limit or locked block, that data exists at Helious on another plan: say so and give the person the link in that block. An out_of_credits result means the month's allowance is spent: relay its two ways on, exactly as the result lists them, and the date in resets_on. The person decides and buys, never the agent. When the person is building something rather than asking a question, call get_build_plan first; it draws no credit.

Tools

26 advertised

get_rates_and_curve — Treasury yields and the curve regime

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

US Treasury yields, the 2s10s and other spreads, and the curve regime (bull or bear, steepener or flattener) with the time it flipped. Yields are market prices: current or an hour behind according to the connected account, and a note instead of numbers without one.

get_rates_and_curve input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_rates_and_curve annotations

{
  "title": "Treasury yields and the curve regime",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_curve_history — Curve regime flips

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Past curve regime changes: every flip with its time, what it flipped from, and how the session closed.

get_curve_history input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "since": {
      "type": "string",
      "description": "Oldest date to include, like 2026-06-01. How far back you can go depends on your plan."
    }
  }
}

get_curve_history annotations

{
  "title": "Curve regime flips",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_fx_board — FX momentum board

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

FX momentum scorecard: seven major currencies scored against the basket. Newest reading plus past boards. Market data: numbers follow the connected account.

get_fx_board input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "since": {
      "type": "string",
      "description": "Oldest date to include, like 2026-06-01. How far back you can go depends on your plan."
    }
  }
}

get_fx_board annotations

{
  "title": "FX momentum board",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_vol_board — Volatility board

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Implied volatility board: VIX and the other vol gauges with their one-year percentile. Newest reading plus past boards. Market data: numbers follow the connected account.

get_vol_board input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "since": {
      "type": "string",
      "description": "Oldest date to include, like 2026-06-01. How far back you can go depends on your plan."
    }
  }
}

get_vol_board annotations

{
  "title": "Volatility board",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_inflation — Inflation

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Every US inflation measure on one axis: headline and core CPI and PCE, supercore, the trimmed means, the median, the sticky and flexible splits, the CPI components, and what markets expect next. Each one comes back with its year-over-year reading plus 1, 3 and 6-month annualised, so you never have to annualise anything yourself. Also says which parts of the basket are driving the headline rate. `measures` filters by key, `history` adds the monthly series. Published statistics, so it answers on every tier.

get_inflation input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "window": {
      "type": "integer",
      "description": "Months of history to include when history is true."
    },
    "history": {
      "type": "boolean",
      "description": "Add the full monthly series per measure."
    },
    "measures": {
      "type": "string",
      "description": "Comma-separated keys to return, such as core_cpi,core_pce. Omit for all of them."
    }
  }
}

get_inflation annotations

{
  "title": "Inflation",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_jobs — Jobs

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Every US employment measure on one axis: total nonfarm payrolls split into private and government, the ten private sectors, federal, state and local government, ADP's own private count by sector, initial and continuing jobless claims, and JOLTS openings, hires, quits and layoffs including openings by sector. Each comes back with its monthly change plus 3, 6 and 12-month windows, in THOUSANDS of jobs. Also says which sectors drove the headline, and those parts sum to it exactly. Percentages such as the unemployment and quits rates ride in `standing`. `measures` filters by key, `history` adds the monthly series. Published statistics, so it answers on every tier.

get_jobs input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "window": {
      "type": "integer",
      "description": "Months of history to include when history is true."
    },
    "history": {
      "type": "boolean",
      "description": "Add the full monthly series per measure."
    },
    "measures": {
      "type": "string",
      "description": "Comma-separated keys to return, such as payrolls,edhealth,openings. Omit for all."
    }
  }
}

get_jobs annotations

{
  "title": "Jobs",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_rate_path — Rate path

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

What the market is paying for US interest rates up to four years out. Two strips, kept apart because they are DIFFERENT RATES: `sr3` is sixteen quarterly 3-month SOFR futures grouped into the whites, reds, greens and blues a rates desk quotes, and `ff` is forty-eight monthly 30-day fed funds contracts. Every contract carries its implied rate now and the rate the SAME contract carried six and twelve months ago, so the gap is the market changing its mind rather than a different instrument. Rates are percent. These are traded prices and not forecasts. Do not compare the two lanes contract by contract: SOFR is secured and the fed funds effective rate is not, and an SR3 month spans the quarter between two IMM dates while a fed funds month is a calendar month.

get_rate_path input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "lane": {
      "type": "string",
      "description": "sr3 for the quarterly SOFR strip, ff for the monthly fed funds strip. Omit for both."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "history": {
      "type": "boolean",
      "description": "Add each contract's own daily settlement run."
    }
  }
}

get_rate_path annotations

{
  "title": "Rate path",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_treasury_issuance — Treasury borrowing and cash

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Monthly US Treasury borrowing: marketable debt sold, gross and net, split into bills, notes (TIPS and floating-rate notes included) and bonds, the cash balance the Treasury holds at the Fed, a quarterly rollup, and the refunding schedule ahead. Figures are billions of dollars. `measures` filters by key, `history` adds the monthly series. Published statistics, so it answers on every tier; the history depth follows your plan.

get_treasury_issuance input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "history": {
      "type": "boolean",
      "description": "Add the full monthly series per measure."
    },
    "measures": {
      "type": "string",
      "description": "Comma-separated keys to return, such as marketable_net,tga. Omit for all of them."
    }
  }
}

get_treasury_issuance annotations

{
  "title": "Treasury borrowing and cash",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_correlations — Cross-asset correlations

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Cross-asset correlation matrix (stocks, bonds, dollar, gold, oil) over 30 to 120 day windows. Newest reading plus past boards. Market data: numbers follow the connected account.

get_correlations input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "since": {
      "type": "string",
      "description": "Oldest date to include, like 2026-06-01. How far back you can go depends on your plan."
    }
  }
}

get_correlations annotations

{
  "title": "Cross-asset correlations",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_hormuz_transits — Strait of Hormuz transits

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Ships through the Strait of Hormuz per day, split tanker and cargo, measured by Helious from live ship tracking.

get_hormuz_transits input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "days": {
      "type": "integer",
      "description": "How many days back."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_hormuz_transits annotations

{
  "title": "Strait of Hormuz transits",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_yield_closes — Official 17:00 Treasury closes

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Official 17:00 New York Treasury yield closes per session, as Helious recorded them. Before that ledger began, the official daily Treasury yields back to 2000 (record 'official') when since or before asks for them. Availability follows the connected account.

get_yield_closes input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "since": {
      "type": "string",
      "description": "Oldest date to include, like 2026-06-01. How far back you can go depends on your plan."
    },
    "before": {
      "type": "string",
      "description": "Newest date to include, like 2018-12-31, to page further back."
    }
  }
}

get_yield_closes annotations

{
  "title": "Official 17:00 Treasury closes",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_economic_calendar — Economic calendar

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Economic releases with forecasts, prior values and the actual once it prints, plus Fed speakers and auction times. Defaults to yesterday through the next 7 days; widen days_back and days_ahead to see more, or filter to one country like US, EU, GB or JP. Pass event to read one release's consensus record instead: for each past print the consensus that stood, the first actual, the previous and the revised prior, with its surprise, newest first. Across the US, the euro area, the UK, Japan and Germany; how far back a call reads is the plan's history window (12 months on Starter, 24 on Pro, 10 years on Ultimate).

get_economic_calendar input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "event": {
      "type": "string",
      "description": "One release whose consensus record to read: a series slug like cpi, or a release name as the calendar prints it, like Consumer Price Index (MoM) or GB: Retail Sales (MoM)."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most events to return. Default 100. With event, most rows, up to 520."
    },
    "since": {
      "type": "string",
      "description": "With event: the oldest release date to include, like 2018-01-01. How far back you can go depends on your plan."
    },
    "country": {
      "type": "string",
      "description": "Two-letter country or bloc, like US, EU, GB, JP. Empty means everywhere."
    },
    "days_back": {
      "type": "integer",
      "description": "How many days of already-printed events to include. Default 1, up to 90."
    },
    "days_ahead": {
      "type": "integer",
      "description": "How many days ahead to include. Default 7, up to 365."
    }
  }
}

get_economic_calendar annotations

{
  "title": "Economic calendar",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

list_series — Economic series Helious tracks

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Every US economic data series Helious tracks (CPI, payrolls, GDP and so on) with its slug for get_series. Draws no credit.

list_series input schema

{
  "type": "object",
  "required": [],
  "properties": {}
}

list_series annotations

{
  "title": "Economic series Helious tracks",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_series — One economic series in depth

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

One economic data series: the latest print, the forecast, the surprise in standard deviations, and the history. consensus_history carries the consensus record Helious holds for the release: the consensus, first actual, previous and revised prior at each print, inside the plan's history window.

get_series input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "slug": {
      "type": "string",
      "description": "Series slug from list_series, like cpi or nonfarm-payrolls."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_series annotations

{
  "title": "One economic series in depth",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_auctions — Treasury auction results and tails

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

US Treasury auction results, measured by Helious at the close: the high yield, the tail against the when-issued yield, bid-to-cover against the tenor's twelve-auction average, who bought (indirect, direct, dealer), and the desk's strong, in line or weak verdict. Pass tenor to ask about one part of the curve, like 10-year-note or 30-year-bond, which is what you want for 'how did the last 10-year auction go'. The tail is the number that answers whether an auction was good or bad.

get_auctions input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most auctions to return."
    },
    "tenor": {
      "type": "string",
      "description": "One tenor, like 10-year-note, 30-year-bond or 26-week-bill. Plain forms work too: '10y', '30 year'. Or a whole class: bills, notes, bonds, tips, frn. Or a curve SEGMENT, which is usually what 'the front end / belly / long end of the curve' means: front (bills plus the 2- and 3-year notes), belly (the 5-, 7- and 10-year), long (the 20- and 30-year). Reopenings of a tenor are included."
    }
  }
}

get_auctions annotations

{
  "title": "Treasury auction results and tails",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_feed — The Helious feed

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

The Helious feed, newest first: the posts Helious publishes (kind post: releases with their surprise, auction results, board updates, the daily brief and live squawk lines) and the wire headlines it carries (kind headline: breaking news, geopolitics, official statements, central bank speakers, bank and business notes). Every item has a stable id, and items carry two score channels on a -10 to +10 scale: score and direction for bonds, equity_score and equity_direction for stocks. The same story can be bullish for bonds and bearish for stocks, so read the channel you trade. topic is what the item is about, the code the terminal prints on the row (equities, bonds, cb, geo, data, chatter); category is only the lane it came in on, so a stock story off the news wire has category news and topic equities. Most items carry helious_read, Helious's plain-English line on why it matters. A headline also carries carried_at (when Helious put it on the tape; created_at is when it was published) and a URL-free thread_id that stays the same when a story is retitled. No headline names its outlet, author or link. Depth follows the connected account for the permanent posts: releases, auctions, desk posts, the brief, the minutes. Headlines are kept 7 days whatever the plan (official statements and Fed speakers 400 days), as are squawk lines and the board lanes. Optional q filters by word; categories narrows to chosen lanes; kind narrows to headline or post; topics narrows to what items are about; since moves the window's start later. The filters search the whole window and matched counts every match. Where the account receives news an hour behind: a post from created_at, a headline from the later of created_at and carried_at. A headline names no outlet as its source: a trailing ' - Outlet', a 'via Outlet' credit and the wire's label are removed; a headline about an outlet, or about an index such as the Nikkei, can still mention one.

get_feed input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "q": {
      "type": "string",
      "description": "Filter word."
    },
    "kind": {
      "type": "string",
      "description": "headline or post. Empty means both."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most items to return."
    },
    "since": {
      "type": "string",
      "description": "Only items published at or after this date (2026-10-30) or ISO 8601 time; never earlier than the plan's history (plan_limit says so when it asks for more). Empty, or a value that is not a date, means the whole window."
    },
    "topics": {
      "type": "string",
      "description": "Comma-separated topics, like equities or bonds,cb: what the item is about, the terminal's row code. Matches the topic or the secondary_topic. One of cb, geo, bonds, data, equities, chatter, desk, narrative, energy, fx. Empty means all."
    },
    "categories": {
      "type": "string",
      "description": "Comma-separated lanes, like release,auction or news,geo. Empty means all."
    }
  }
}

get_feed annotations

{
  "title": "The Helious feed",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_document_digests — FOMC minutes and speech digests

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

The desk's read of FULL central bank documents, not headlines: FOMC minutes and Fed/ECB speeches read end to end. Each digest carries a summary, what is genuinely new versus what the market already knew, key findings with their market consequence, a hawkish/dovish committee lean, and quotes verified word for word against the source document. Minutes carry no bond or equity direction on purpose: they describe a meeting about three weeks earlier, so the desk states the lean and declines the market call. Delayed 60 minutes where the account receives news an hour behind.

get_document_digests input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "kind": {
      "type": "string",
      "description": "minutes, speech, or all (default)."
    },
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most digests to return."
    }
  }
}

get_document_digests annotations

{
  "title": "FOMC minutes and speech digests",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_fed_roster — The FOMC roster

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Who is on the FOMC: governors and presidents, who votes this year, their lean, and their upcoming speeches.

get_fed_roster input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_fed_roster annotations

{
  "title": "The FOMC roster",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_squawk_sessions — Transcribed live events

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

Live events Helious transcribed in the last week (Fed pressers, briefings), one entry per event.

get_squawk_sessions input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "hours": {
      "type": "integer",
      "description": "How many hours back, up to 168."
    }
  }
}

get_squawk_sessions annotations

{
  "title": "Transcribed live events",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_access_info — Your plan and how to get more

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

What the connected account can read, what a call costs and what is left this month, and the steps to relay to your user when a result needs more than the account allows. Draws no credit.

get_access_info input schema

{
  "type": "object",
  "required": [],
  "properties": {}
}

get_access_info annotations

{
  "title": "Your plan and how to get more",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_build_plan — Plan an integration

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

What to build with Helious and how: for a stated goal, the tools to call in order, what each returns, what it costs in credits at your cadence, and which plan covers it. Use this when someone is building an integration, a bot, a dashboard or a strategy, before the first data call.

get_build_plan input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "goal": {
      "type": "string",
      "description": "What the person is building, in their words, like a bot that trades CPI, a macro regime dashboard or a CPI forecast. Empty returns the three things people build, in short form."
    },
    "client": {
      "type": "string",
      "description": "The client or stack it runs in, like claude, chatgpt, cursor or a script."
    },
    "cadence": {
      "type": "string",
      "description": "How often it will run, like every 15 minutes, hourly, daily, every trading day or weekly. Prices the month; daily when empty."
    },
    "language": {
      "type": "string",
      "description": "python, javascript or another language, to point at the right sample."
    }
  }
}

get_build_plan annotations

{
  "title": "Plan an integration",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_treasury_curve — The whole Treasury curve

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

The whole US Treasury curve in one call, 3M bill to 30Y bond with daily closes. Points are market prices: current or an hour behind according to the connected account, and a note instead of numbers without one.

get_treasury_curve input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_treasury_curve annotations

{
  "title": "The whole Treasury curve",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_nasdaq100 — NASDAQ-100 board

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

The NASDAQ-100 ranked best to worst on the session: price, change and sector for every stock. Pass symbol to ask about ONE company instead, like AAPL or NVDA, and you get its price, its move on the session and where it ranks on the board today. Equities are market data: numbers follow the connected account.

get_nasdaq100 input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most stocks to return."
    },
    "symbol": {
      "type": "string",
      "description": "One or more NASDAQ-100 tickers, comma separated, like AAPL or AAPL,MSFT. Empty returns the whole ranked board."
    }
  }
}

get_nasdaq100 annotations

{
  "title": "NASDAQ-100 board",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_rate_odds — Fed rate cut and hike odds

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

The odds of a Federal Reserve rate cut or hike at each remaining FOMC meeting, priced from fed funds futures. THIS IS THE TOOL for 'what are the odds of a cut in September', 'is the Fed cutting', 'what is priced in for the next meeting' or 'how many cuts this year'. Gives the probability per meeting, the implied effective rate after each one, and the total move priced across the whole path. Computed by Helious from settlement prices against the effective fed funds rate, not the target midpoint.

get_rate_odds input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_rate_odds annotations

{
  "title": "Fed rate cut and hike odds",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_market_context — Why the market is moving

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

START HERE for any 'why is the market doing this' question. One call gives the whole cross-asset board (equities, the Treasury curve, FX, volatility, commodities), every scored economic release behind it, and the Helious desk's read on what is actually driving the session: whether it is event-driven, flow-driven or quiet, the evidence that read rests on, and the regime yields and stocks have actually been trading in. Use this before the individual board tools: it saves five calls, and it characterises the session rather than leaving you to guess a cause. Market data: numbers follow the connected account.

get_market_context input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    }
  }
}

get_market_context annotations

{
  "title": "Why the market is moving",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

get_earnings — Mega-cap earnings dates and EPS

Advertised by the server during the last successful anonymous check.

Advertised read-onlyOpen-world

US mega-cap earnings: when a company reports, whether that date is confirmed or still an estimate, whether it prints before the open or after the close, the consensus EPS, and once it lands the reported EPS with the beat or miss. Pass symbol for one name, like AAPL. This is the tool for any question about a company's earnings date or EPS.

get_earnings input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "fresh": {
      "type": "boolean",
      "description": "Set true to ask for the live view of this one call, for 5 credits, where the connected account otherwise receives it an hour behind. Accepted and free where the account is already live. No effect without a key."
    },
    "limit": {
      "type": "integer",
      "description": "Most rows to return."
    },
    "symbol": {
      "type": "string",
      "description": "One or more tickers, comma separated, like AAPL or AAPL,MSFT. Empty returns every name tracked."
    }
  }
}

get_earnings annotations

{
  "title": "Mega-cap earnings dates and EPS",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (1 of 1 answered).

2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks: 1 of 1 (100%)
Average latency: 1111 ms
95th percentile latency: 1111 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 7, 2026, 3:51 AM UTC · probe · passed · 1111 ms · metadata changed · 26 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http helious-mcp https://helious.io/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add helious-mcp --url https://helious.io/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable helious-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "helious-mcp": {
      "url": "https://helious.io/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).

Cline configuration

{
  "mcpServers": {
    "helious-mcp": {
      "type": "streamableHttp",
      "url": "https://helious.io/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start helious-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "helious-mcp": {
      "type": "http",
      "url": "https://helious.io/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http helious-mcp https://helious.io/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.

Claude Desktop configuration

https://helious.io/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "helious-mcp": {
      "serverUrl": "https://helious.io/mcp"
    }
  }
}

Let your agent find its tools

Find servers like Helious MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows

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Do you run Helious MCP?

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Helious MCP

Endpoint and access

What its tools do

Read-only (26)

Checks and signals

What you can do with it

Source and maintenance

Protocol and capabilities

Server-provided instructions

Tools

Prompts

Resources

90-day uptime

30-day availability

Maintenance history

Connect from your client

Claude Code

Codex

Cursor

Cline

VS Code

Gemini CLI

Claude Desktop

Windsurf

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