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Mycelium Emissions Database MCP MCP server

An official MCP server operated by Mycelium Network Ltd that exposes its open-access company carbon emissions database to AI assistants. It allows agents to search for companies, retrieve their Mycelium Scores, and fetch detailed Scope 1, 2, and 3 greenhouse gas figures tagged as reported or estimated, facilitating sustainability research and procurement analysis without requiring API keys.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Mycelium Network Ltd
MCP endpoint (Streamable HTTP)
https://mycelium.global/mcp/server
Vendor documentation

What you can do with it

  • Search for companies by name to find their carbon footprint data
  • Retrieve company profiles including Mycelium Scores and industry classification
  • Fetch detailed Scope 1, 2, and 3 emission figures for specific reporting years
Tools advertised by the last live check:
  • search-entities
  • get-entity-profile
  • get-emission-figures

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 a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http mycelium-emissions-database-mcp https://mycelium.global/mcp/server

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 mycelium-emissions-database-mcp --url https://mycelium.global/mcp/server

Cursor

Merge this server into .cursor/mcp.json in your project, then enable mycelium-emissions-database-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "mycelium-emissions-database-mcp": {
      "url": "https://mycelium.global/mcp/server"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.
Cline configuration
{
  "mcpServers": {
    "mycelium-emissions-database-mcp": {
      "type": "streamableHttp",
      "url": "https://mycelium.global/mcp/server",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start mycelium-emissions-database-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "mycelium-emissions-database-mcp": {
      "type": "http",
      "url": "https://mycelium.global/mcp/server"
    }
  }
}

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 mycelium-emissions-database-mcp https://mycelium.global/mcp/server

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": {
    "mycelium-emissions-database-mcp": {
      "url": "https://mycelium.global/mcp/server"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "mycelium-emissions-database-mcp": {
      "serverUrl": "https://mycelium.global/mcp/server"
    }
  }
}

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