MCP Server Validator

Validate your MCP server configurations in seconds. Catch protocol compliance issues, schema errors, and production readiness gaps before deploying.

Try the Web Version | MCP Linter Pro ($9)

Install

npm install -g mcp-validator

Usage

# Validate a config file
mcp-validate ./server.json

# Validate from stdin (pipe-friendly)
cat server.json | mcp-validate -

# Validate a remote server config
mcp-validate --url https://your-server.com/config

# Show all options
mcp-validate --help

What It Checks

Protocol Compliance

• Server name and version fields
• Transport type validation (stdio, SSE, Streamable HTTP)
• JSON-RPC 2.0 message format
• Protocol version compliance

Tool Validation

• Tool definitions and naming
• Input schema structure (JSON Schema)
• Required vs optional parameters
• Description quality for AI agent discoverability

Production Readiness

• Prompts and resources declarations
• Error handling patterns
• Security best practices
• Documentation completeness

Example Output

  ✓ PASS Server name (Name: weather-server)
  ✓ PASS Version (Version: 1.0.0)
  ✓ PASS Transport type (Type: stdio)
  ✓ PASS Tools array (2 tool(s) defined)
  ✓ PASS get_weather description
  ✓ PASS get_weather inputSchema

  Summary: 6 passed, 0 warnings, 0 errors

  Configuration looks good!

CI/CD Integration

Add to your GitHub Actions workflow:

- name: Validate MCP Server
  run: |
    npm install -g mcp-validator
    mcp-validate ./server-config.json

Why Use This?

MCP is the standard for connecting AI agents to tools. A broken configuration means your server won't work with Claude Desktop, Cursor, or any MCP client. This validator catches issues before your users do.

Free tier (this tool): Config-level validation Pro tier ($9): Runtime testing with actual tool calls, custom rules, team features

Get MCP Linter Pro — Use code GITHUB50 for 50% off

Web Version

Prefer a browser? Try the interactive web validator — paste your config and get instant results with no install required.

Related

• MCP Linter Pro — Runtime validation and custom rules
• AI Growth Ops Framework — Complete B2B agency blueprint
• ShadowCraft Storefront — All developer tools

License

MIT

Built by ShadowCraft AI