canli-mcp: 306 free finance tools for Claude and any MCP client, measured against OpenBB, EdgarTools and Yahoo

Description and use

canli-mcp offers 306 free finance tools without API keys, reduces token overhead to 1,109 tokens, and achieves 79% accuracy on a benchmark.

Problem

Users need a single, keyless MCP server that provides a wide range of finance tools without external API keys and with minimal token overhead.

Outcome

canli-mcp achieved 79% correct answers on 28 benchmark questions, outperforming the best rival setup (EdgarTools + Yahoo) which achieved 54%. It also reduces token overhead from 34,508 to 1,109 tokens per request.

Workflow

• Install canli-mcp via npx
• Configure MCP client to use canli-mcp command
• Use find_tool to search for desired tool
• Use describe_tool to inspect tool arguments
• Use run_tool to execute tool or batch up to 25 calls
• Receive results with source URLs and data hashes

Evidence

canli-mcp sends 1,109, measured with bench/context.py

Source

canli-mcp answered 22 of 28 runs correctly (79%)

Source

The model sees three tools: find_tool searches all 306 by what you ask for, describe_tool reads one tool's arguments, and run_tool runs any tool, or up to 25 in one round trip.

Source