mcplint-cli is a command-line tool that analyzes and benchmarks Model Context Protocol (MCP) tool contracts. It helps developers identify ambiguous descriptions that can break LLM-based tool selection in AI agents. The tool ensures higher reliability for autonomous agents and tool-calling systems through automated linting and evaluation.
mcplint-cli sits in PulseGate's LLM eval & observability category. Ambiguous MCP tool descriptions causing failures in LLM tool selection and agent reliability. It is built as an open-source project for developers. mcplint-cli is open source under the MIT license. The product ships for the command line.
mcplint-cli first shipped in 2026. Development happens publicly on GitHub with 26 commits in the last 90 days. Key capabilities include MCP linting, benchmarking, and tool contract validation. It exposes integrations via an MCP server.
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