Deterministic correctness testing for MCP servers
Project description
mcp-assert
Deterministic correctness testing for MCP servers. No SDK required. No LLM required.
This is the PyPI distribution of mcp-assert, a single Go binary that connects to your MCP server over stdio, SSE, or HTTP, calls your tools, and asserts the results.
Install
pip install mcp-assert
Usage
# Scaffold your first assertion
mcp-assert init evals
# Run it
mcp-assert run --suite evals/ --fixture evals/fixtures
Or use as a Python module:
python -m mcp_assert run --suite evals/
Documentation
Full documentation: blackwell-systems.github.io/mcp-assert
License
MIT
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