JWT Decoder API

About JWT Decoder API

Use JWT Decoder API with your agent

claude mcp add --transport sse jwt-decoder-api https://jwt-decoder.api.klymax402.com/mcp

{
  "mcpServers": {
    "jwt-decoder-api": {
      "url": "https://jwt-decoder.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

What is JWT Decoder API?

JWT Decoder API is an MCP (Model Context Protocol) server by br0ski777 in the Finance category. Decode JWT tokens — inspect header, payload, claims, expiry. x402 micropayment.

How do I connect JWT Decoder API to Claude, Cursor, or another MCP client?

JWT Decoder API is a remote MCP server — add its endpoint (https://jwt-decoder.api.klymax402.com/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is JWT Decoder API open source?

Yes — the source code is public at github.com/br0ski777/jwt-decoder-x402.

Can AI agents pay to use JWT Decoder API?

Not yet through Loomal — JWT Decoder API is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.