MCP Servers

mcp-lint-server

Model Context Protocol (MCP) server wrapping mcp-lint to perform static analysis and schema checking on other MCP servers.

Category

README

MCP Lint Server

An MCP server that provides MCP server quality checking as a tool.

What It Does

This MCP server exposes three tools that let AI agents validate MCP server implementations:

lint_mcp_server -- Lint a file or directory for MCP quality issues
lint_code_snippet -- Validate a code snippet before committing
check_mcp_schema -- Validate an MCP tool inputSchema definition

Quick Start

pip install mcp-lint-server

Claude Desktop Config

{
  "mcpServers": {
    "mcp-lint": {
      "command": "python",
      "args": ["-m", "mcp_lint_server.server"]
    }
  }
}

Claude Code

claude mcp add mcp-lint-server -- python -m mcp_lint_server.server

Tools

`lint_mcp_server`

Scans Python source code for schema violations, security anti-patterns, protocol issues, and code quality problems. Returns a quality score (0-100) with specific issues and fix suggestions.

`lint_code_snippet`

Validates a code snippet by pasting it directly. Useful for quick checks before committing.

`check_mcp_schema`

Validates an MCP tool inputSchema definition, checking for required fields and valid property definitions.

Why This Matters

The MCP ecosystem is exploding. Hundreds of new servers are built every week. But there is zero quality tooling. This server lets AI agents themselves enforce quality standards on MCP server code.

Related

mcp-lint -- CLI version (free)
MCP Lint Pro -- Runtime validation ($9)

License

MIT

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