Quorum MCP
An MCP server providing market-evidence tools including search_evidence, get_receipt, category_warmth, compare_formats, and research_product. It allows agents to verify claims against stored records, check evidence thresholds, and initiate data harvests via remote HTTP or local stdio transports.
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.
https://quorum-api-j15n.onrender.com/mcpWhat its tools do
5 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.
Can change data (1)
Checks and signals
Each line is separate evidence, not a trust score.
- Passed Endpoint answered the live check ·
- Availability 1 of 1 checks passed in 30 days
What you can do with it
- Search for independent evidence records across channels
- Resolve record IDs to fetch real stored receipts
- Check category warmth and cost of queries
- Compare formats like video versus static ads
Source and maintenance
- Maintenance checked
Protocol and capabilities
- Server
- quorum 0.1.0
- MCP protocol negotiated in check
- 2025-06-18
- Tools
- 5 advertised
- Resources
- Not advertised
- Resource templates
- Not advertised
- Prompts
- Not advertised
{
"tools": {}
}Server-provided instructions
Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.
Tools
5 advertised
research_product
Start collecting evidence on a product or topic from public sources. RETURNS AT ONCE: the harvest runs in the background, the first records land within a minute, and a full run takes minutes. Then call `search_evidence` or `category_warmth` for the same subject after about 30 seconds and keep calling while the counts grow; stop when they stop. Every receipt returned along the way is already a real record. Calling this twice for one subject joins the same run rather than starting another.
{
"type": "object",
"required": [
"subject"
],
"properties": {
"terms": {
"type": "array",
"items": {
"type": "string"
},
"description": "What to ask about: single concepts like \"sizing\", \"durability\". Optional."
},
"subject": {
"type": "string",
"description": "A product name, a topic, or a product URL."
}
}
}{
"title": "Start a harvest",
"readOnlyHint": false,
"openWorldHint": true,
"idempotentHint": true,
"destructiveHint": false
}search_evidence
Search the retained corpus for what people actually said about a product or topic. Returns how many independent records exist, across how many channels, whether that clears the corroboration threshold, and the loudest few quotes with their receipt ids. Costs nothing and touches no network.
{
"type": "object",
"required": [
"query"
],
"properties": {
"after": {
"type": "string",
"description": "Optional. ISO date (2026-01-31): only records their authors wrote on or after it. Undated records sit inside no window."
},
"query": {
"type": "string",
"description": "What to look for: \"sizing\", \"battery life\", \"runs small\"."
},
"before": {
"type": "string",
"description": "Optional. ISO date: only records written on or before it."
},
"phrase": {
"type": "boolean",
"description": "Optional. Match the words as one ordered phrase, no any word fallback. Build phrases from content words."
},
"sources": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional. Only these sources (reddit, appstore, sec-edgar...)."
},
"category": {
"type": "string",
"description": "Optional. Narrow to one product category."
},
"minChannels": {
"type": "number",
"description": "Optional. Demand at least this many distinct channels for a finding verdict. Can only demote."
},
"sourceClasses": {
"type": "array",
"items": {
"enum": [
"consumer_voice",
"practitioner",
"institutional"
],
"type": "string"
},
"description": "Optional. Filter by what kind of speaker: consumer_voice (reddit, reviews...), practitioner (github...), institutional (regulators, filings)."
},
"excludeSources": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional. Drop these sources, e.g. [\"sec-edgar\", \"cpsc\"] to drop the institutional records from a consumer question."
}
}
}{
"title": "Search the evidence corpus",
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}get_receipt
Resolve receipt ids to the real records behind them. This is how you CHECK a claim: if an id does not resolve, the claim citing it was not real. Takes one id or many. Long records are truncated with notice; pass full: true for complete text.
{
"type": "object",
"required": [
"receiptIds"
],
"properties": {
"full": {
"type": "boolean",
"description": "Return complete record text with no truncation. Default false."
},
"receiptIds": {
"type": "array",
"items": {
"type": "string"
},
"description": "Receipt ids, as returned by any other tool. Up to 50."
}
}
}{
"title": "Resolve receipt ids",
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}category_warmth
How much is already held for a category, and therefore whether asking about it is instant and free or slow and expensive. Check this BEFORE starting a report. With no category it lists what is held, so orient here instead of guessing slugs.
{
"type": "object",
"properties": {
"category": {
"type": "string",
"description": "The category, for example \"running shoes\". Omit to list every held category."
}
}
}{
"title": "Check category warmth",
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}compare_formats
Video versus static advertising for a category, computed from how long real ads actually ran rather than from opinion. Returns a verdict, its confidence, and the ads behind it.
{
"type": "object",
"required": [
"category"
],
"properties": {
"category": {
"type": "string",
"description": "The product category."
}
}
}{
"title": "Compare ad formats",
"readOnlyHint": true,
"openWorldHint": false,
"idempotentHint": true,
"destructiveHint": false
}Prompts
Not advertised
Resources
Not advertised
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.
- 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
- 545 ms
- 95th percentile latency
- 545 ms
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · probe · passed · 545 ms · metadata changed · 5 tool(s)
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
claude mcp add --transport http quorum-mcp https://quorum-api-j15n.onrender.com/mcpCodex
codex mcp add quorum-mcp --url https://quorum-api-j15n.onrender.com/mcpCursor
{
"mcpServers": {
"quorum-mcp": {
"url": "https://quorum-api-j15n.onrender.com/mcp"
}
}
}Cline
{
"mcpServers": {
"quorum-mcp": {
"type": "streamableHttp",
"url": "https://quorum-api-j15n.onrender.com/mcp",
"disabled": false
}
}
}VS Code
{
"servers": {
"quorum-mcp": {
"type": "http",
"url": "https://quorum-api-j15n.onrender.com/mcp"
}
}
}Gemini CLI
gemini mcp add --transport http quorum-mcp https://quorum-api-j15n.onrender.com/mcpClaude Desktop
https://quorum-api-j15n.onrender.com/mcpWindsurf
{
"mcpServers": {
"quorum-mcp": {
"serverUrl": "https://quorum-api-j15n.onrender.com/mcp"
}
}
}Let your agent find its tools
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