mcp-tool-card-linter is an open-source command-line tool designed for developers working with Model Context Protocol (MCP) tool cards. It validates schema quality, checks for clear descriptions, and identifies potential side effects or tool-poisoning risks, helping AI agent developers maintain high standards and security.
mcp-tool-card-linter is a CLI tools & terminal product. It focuses on ensuring MCP tool cards meet schema standards and are free from clarity and security issues. mcp-tool-card-linter is an open-source project aimed at AI agent developers. The project is open source (MIT). It runs on the command line.
Behind mcp-tool-card-linter is inostarlin-passion, and the product first shipped in 2026. The project is developed in the open on GitHub with 13 commits in the last 90 days. Among its 6 catalogued features are schema validation, description clarity check, and side effect detection.
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