UK Electricity Price Slots MCP

Provides cheapest half-hour UK electricity slots by postcode, supporting EV charging, heat pumps, batteries, and industrial jobs. Offers tools for finding cheapest slots, best continuous windows, all import/export prices, and daily averages based on Agile Octopus rates.

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.

Community listingStreamable HTTPNo sign-inEndpoint checked 2026-11-01Published by Donnie Morrison

MCP endpoint (Streamable HTTP)

https://uk-energy-prices-mcp.donniertf.workers.dev/mcp

Vendor documentation

What you can do with it

Find cheapest 3 upcoming half-hour electricity slots for a UK postcode
Identify cheapest continuous N-hour window for EV charging or heat pumps
Retrieve all published half-hourly import and export prices for today/tomorrow
Get daily average, min, and max Agile import prices for budgeting

Source and maintenance

Community listingRegistry 1.0.0

mcp-registry: io.github.donniertf-hub/uk-energy-prices-mcp@1.0.0 Source repository Project website

Maintenance checked: Nov 1, 2026, 8:44 AM UTC

Protocol and capabilities

Server: uk-energy-prices-mcp 1.0.0
MCP protocol: 2025-06-18
Tools: 5 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.

UK Electricity Price Slots. cheapest_slots is free. Subscribe (£9/month, cancel anytime) at https://uk-energy-prices-mcp.donniertf.workers.dev/buy for the paid tools, then pass access_token.

Tools

5 advertised

cheapest_slots

Advertised by the server during the last successful anonymous check.

FREE. Cheapest 3 upcoming half-hour electricity slots (Agile Octopus, p/kWh inc VAT) for a UK postcode's region.

cheapest_slots input schema

{
  "type": "object",
  "required": [
    "postcode"
  ],
  "properties": {
    "postcode": {
      "type": "string",
      "description": "UK postcode (sets the electricity region)"
    }
  }
}

best_window

Advertised by the server during the last successful anonymous check.

PRO. Cheapest continuous window of N hours in the upcoming prices (EV charging, heat pumps, batteries, industrial jobs) with average price and cost for a kWh amount.

best_window input schema

{
  "type": "object",
  "required": [
    "postcode",
    "hours"
  ],
  "properties": {
    "kwh": {
      "type": "number"
    },
    "hours": {
      "type": "number"
    },
    "postcode": {
      "type": "string",
      "description": "UK postcode (sets the electricity region)"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

all_slots

Advertised by the server during the last successful anonymous check.

PRO. All published half-hourly import prices for today/tomorrow for a postcode region.

all_slots input schema

{
  "type": "object",
  "required": [
    "postcode"
  ],
  "properties": {
    "postcode": {
      "type": "string",
      "description": "UK postcode (sets the electricity region)"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

export_rates

Advertised by the server during the last successful anonymous check.

PRO. Agile Outgoing export prices — best upcoming slots to sell solar/battery power.

export_rates input schema

{
  "type": "object",
  "required": [
    "postcode"
  ],
  "properties": {
    "postcode": {
      "type": "string",
      "description": "UK postcode (sets the electricity region)"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

daily_average

Advertised by the server during the last successful anonymous check.

PRO. Daily average/min/max Agile import price for the last N days (max 30) — for budgeting and tariff comparison.

daily_average input schema

{
  "type": "object",
  "required": [
    "postcode"
  ],
  "properties": {
    "days": {
      "type": "number"
    },
    "postcode": {
      "type": "string",
      "description": "UK postcode (sets the electricity region)"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

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: 508 ms
95th percentile latency: 508 ms

Maintenance history

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

Nov 1, 2026, 9:02 AM UTC · probe · passed · 508 ms · metadata changed · 5 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 uk-electricity-price-slots-mcp https://uk-energy-prices-mcp.donniertf.workers.dev/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 uk-electricity-price-slots-mcp --url https://uk-energy-prices-mcp.donniertf.workers.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable uk-electricity-price-slots-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "uk-electricity-price-slots-mcp": {
      "url": "https://uk-energy-prices-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Cline

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

Cline configuration

{
  "mcpServers": {
    "uk-electricity-price-slots-mcp": {
      "type": "streamableHttp",
      "url": "https://uk-energy-prices-mcp.donniertf.workers.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

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

VS Code configuration

{
  "servers": {
    "uk-electricity-price-slots-mcp": {
      "type": "http",
      "url": "https://uk-energy-prices-mcp.donniertf.workers.dev/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 uk-electricity-price-slots-mcp https://uk-energy-prices-mcp.donniertf.workers.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "uk-electricity-price-slots-mcp": {
      "url": "https://uk-energy-prices-mcp.donniertf.workers.dev/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": {
    "uk-electricity-price-slots-mcp": {
      "serverUrl": "https://uk-energy-prices-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Let your agent find its tools

Find servers like UK Electricity Price Slots 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