The13f MCP Server

by pickelfintechcom.the13f/mcpv0.1.3

Institutional 13F data from SEC EDGAR: manager search, holdings lookup, portfolio similarity, consensus portfolio, market regime and sector flows.

1Pythonstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing6mo ago

Install The13f MCP server

claude mcp add the13f -e THE13F_API_KEY='<the13f-api-key>' -- uvx the13f-mcp

{
  "mcpServers": {
    "the13f": {
      "command": "uvx",
      "args": [
        "the13f-mcp"
      ],
      "env": {
        "THE13F_API_KEY": "<the13f-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "the13f": {
      "command": "uvx",
      "args": [
        "the13f-mcp"
      ],
      "env": {
        "THE13F_API_KEY": "<the13f-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "the13f": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "the13f-mcp"
      ],
      "env": {
        "THE13F_API_KEY": "<the13f-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "the13f": {
      "command": "uvx",
      "args": [
        "the13f-mcp"
      ],
      "env": {
        "THE13F_API_KEY": "<the13f-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
THE13F_API_KEY	yes	yes	Free pf13f_ key from https://the13f.com/developers/. 100 calls/day, no credit card. Without it, every tool returns a structured free-signup-required response with the signup URL.
THE13F_API_BASE_URL	—	—	Override API base URL. Defaults to https://api.the13f.com. Used for local development against a running copy of the13f's gui_server.
THE13F_MCP_TIMEOUT	—	—	Per-request HTTP timeout in seconds. Minimum 5.

Freshness

Slowing — last maintenance signal 6mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-04-23 · 6mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-04-23 · 6mo ago · official registry · v0.1.3

FAQ

›How do I install the The13f MCP server in Claude Code?

Run: claude mcp add the13f -e THE13F_API_KEY='<the13f-api-key>' -- uvx the13f-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does The13f require an API key?

Yes. It expects THE13F_API_KEY, of which 1 is a secret.

›Can I use The13f as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is The13f in the official MCP registry?

Yes, as com.the13f/mcp.