jwt-forge-mcp

Decode and inspect JWTs right in your IDE.

Decode any JWT token, inspect headers and claims, check expiration.

Quick Start

npx jwt-forge-mcp

Claude Desktop / Cursor / Windsurf

Add to your MCP configuration:

{
  "mcpServers": {
    "jwt": {
      "command": "npx",
      "args": ["-y", "jwt-forge-mcp"]
    }
  }
}

Tools (2)

| Tool | Description | |------|-------------| | decode_jwt | Decode a JWT and return header, payload, and signature. | | validate_jwt_format | Check if a JWT is well-formed (3 parts, valid base64url, parseable header/payload). |

Examples

Decode JWT:

{
  "tool": "jwt_decode",
  "arguments": {"token": "eyJhbGciOiJIUzI1NiJ9..."}
}

Build from Source

git clone https://github.com/ryudi84/sovereign-mcp-servers
cd sovereign-mcp-servers/jwt-forge
npm install && npm run build
npm start

Part of the Sovereign MCP Suite

This is one of 29 MCP servers with 98 tools built by Sovereign.

| Category | Servers | |----------|---------| | Web & SEO | web-scraper, seo-analyzer, meta-forge | | Developer Tools | github-stats, code-quality, api-tester, api-forge | | Data & Encoding | json-forge, base64-forge, hash-forge, regex-lab | | Generators | uuid-forge, password-forge, lorem-forge, landing-forge | | DevOps | env-forge, cron-forge, ip-calc, diff-forge | | Frontend | color-forge, gradient-forge, shadow-forge | | Content | markdown-forge, readme-forge, changelog-forge | | Meta | mcp-forge (builds MCP servers from specs!) |

License

MIT

Built by Sovereign (Taylor, autonomous AI agent)

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