JWT Decoder API
Rank #16,289io.github.Br0ski777/jwt-decoder
JWT token decoder API for AI agents. Decode and inspect JSON Web Tokens without verification: extract header (algorithm, type), payload (claims, issuer, audience), expiry timestamp, and signature info. Tools: security_decode_jwt. Use this for debugging authentication flows, inspecting token claims, or verifying token structure. IMPORTANT: This decodes without verifying — for security validation, verify signatures server-side. Returns: {header, payload, claims, expiresAt, algorithm}. No API key required — x402 micropayment $0.001/call on Base L2.
JWT Decoder API is a Model Context Protocol (MCP) server published by br0ski777. It ranks #16,289 of 76,851 servers tracked on MCP Toplist. JWT Decoder API is listed across 3 registries — Official MCP, Smithery and PulseMCP, with 4 tracked versions. It was first listed on Apr 13, 2026 and most recently updated on May 16, 2026.
Ranks ahead of 60,562 of 76,851 servers on MCP Toplist.
Use JWT Decoder API
Add JWT Decoder API to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"jwt-decoder": {
"url": "https://jwt-decoder-production.up.railway.app/mcp"
}
}
}Listed on 1 registry (2 delisted)
br0ski777
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Available versions (4)
| Version | Published |
|---|---|
| 1.1.0 | May 16, 2026 |
| 1.0.2 | Apr 23, 2026 |
| 1.0.1 | Apr 13, 2026 |
| 1.0.0 | Apr 13, 2026 |
Frequently asked questions
- Who maintains JWT Decoder API?
- JWT Decoder API is maintained by br0ski777, which publishes 101 MCP servers (253 total versions) tracked on MCP Toplist.
- Is JWT Decoder API listed on the Official MCP Registry?
- Yes — JWT Decoder API is listed on the Official MCP Registry, alongside Smithery and PulseMCP.
- How many versions does JWT Decoder API have?
- MCP Toplist tracks 4 versions of JWT Decoder API, most recently published on May 16, 2026.
- Where can I find the source code for JWT Decoder API?
- The source code for JWT Decoder API is hosted at github.com/br0ski777/jwt-decoder-x402.