Koskamo

Open Index MCP

Provides access to UK public data including house prices, crime, deprivation, and schools statistics. It allows agents to search places, retrieve area figures with source citations, compare locations, and lookup postcodes using the Model Context Protocol.

Visit Open Index

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.

Open Index MCP logo, by Open IndexVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-10-26Operated by Open Index
You need:Free to use, with no key and no sign-up.
MCP endpoint (Streamable HTTP)
https://openindex.co.uk/mcp
Vendor documentation

What you can do with it

  • Search for places and postcodes by name to retrieve official codes
  • Get key figures or detailed data for a specific area with source citations
  • Rank councils on specific measures across the UK or regions
  • Compare two areas of the same level side by side

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: uk.co.openindex/open-index@1.0.0Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

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

  • · registry · passed · metadata changed · Source metadata updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

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 open-index-mcp https://openindex.co.uk/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 open-index-mcp --url https://openindex.co.uk/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable open-index-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "open-index-mcp": {
      "url": "https://openindex.co.uk/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "open-index-mcp": {
      "type": "streamableHttp",
      "url": "https://openindex.co.uk/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start open-index-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "open-index-mcp": {
      "type": "http",
      "url": "https://openindex.co.uk/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 open-index-mcp https://openindex.co.uk/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": {
    "open-index-mcp": {
      "url": "https://openindex.co.uk/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": {
    "open-index-mcp": {
      "serverUrl": "https://openindex.co.uk/mcp"
    }
  }
}

Let your agent find its tools

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

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Do you run Open Index MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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