MCP Tool Connector
Exposes search over internal documents and company lookup via authenticated API, enabling LLMs to access firm files and data.
README
MCP Tool Connector
An MCP server that gives an LLM host (e.g. Claude) two tools: it can search the firm's documents and look up a company via an authenticated API the "connect frontier models to our files and data, with auth" use case.
Demo
Register the server with Claude Desktop, then ask Claude something that triggers
search_documents, and something that triggers lookup_company.
<img width="1441" height="840" alt="image" src="https://github.com/user-attachments/assets/9b0b31f5-1caa-49bf-bf7e-cfe72e273912" />
What it does
Exposes two tools over the Model Context Protocol:
search_documents(query, k)— makes a document folder query-able (no auth).lookup_company(name)— calls an authenticated external API (bearer token), making the API + authentication path explicit.
Authentication (done on purpose)
lookup_company reads DATA_API_TOKEN from the environment (never hardcoded) and
returns a clear "authentication required" message when it is absent rather than
failing silently. Use a scoped, read-only token; full OAuth is the production step.
Run it
pip install -r requirements.txt
pytest -q # tools work + both register with the MCP server
python server.py # run as an MCP (stdio) server
Then add it to Claude Desktop using claude_desktop_config.example.json (use an
absolute path to server.py). Confirm the exact MCP SDK usage against the current
docs at modelcontextprotocol.io.
Built with
Python · MCP Python SDK (FastMCP) · httpx
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