JWT Decoder API
Earlier Revision Confidence: Good (0.85)JWT Decoder API is an MCP server published by Br0ski777, verified on MCP revision 2024-11-05; support for the current revision (2026-07-28) is not yet confirmed. Last verified 2026-08-07.
Does JWT Decoder API support the current MCP specification (2026-07-28)?
Not yet confirmed. JWT Decoder API is verified on revision 2024-11-05; we have not confirmed support for the current revision (2026-07-28) as of 2026-08-07.
Is JWT Decoder API a first-party (official) MCP server?
Undetermined. We have not verified the publisher relationship for JWT Decoder API (as of 2026-08-07).
How do I connect to JWT Decoder API?
JWT Decoder API is available via a hosted remote endpoint at https://jwt-decoder.api.klymax402.com/mcp, the official MCP Registry under io.github.Br0ski777/jwt-decoder, the source repository at https://github.com/br0ski777/jwt-decoder-x402. Authentication: none. Transports: streamable-http.
What tools does JWT Decoder API expose?
JWT Decoder API exposes 1 tools, including security_decode_jwt (last verified 2026-08-07).
Does JWT Decoder API support MCP revision 2024-11-05?
Yes. JWT Decoder API supports MCP revision 2024-11-05 (checked 2026-08-07).
When were JWT Decoder API's facts last verified?
2026-08-07. Each fact on this page links to the sources used to verify it.
Which tools does JWT Decoder API expose?
1 tools verified.
security_decode_jwt
Decode JWT tokens — inspect header, payload, claims, expiry. x402 micropayment.
Which MCP spec revisions does JWT Decoder API support?
JWT Decoder API has 1 verified spec-support record. Each row lists the revision, the verified status, the evidence URL, and the date that fact was last checked.
| Spec revision | Status | Last checked | Evidence |
|---|---|---|---|
| MCP 2024-11-05 | Supported | Source |
How widely adopted is JWT Decoder API?
Ranked #490 in The MCP 500 with Adoption Index 61.36 (snapshot , methodology v1).
| Measurement | Value | Source |
|---|---|---|
| Official MCP Registry | yes | API · |
| Smithery uses | 4,612 | API · |
| GitHub stars | 0 | API · |
| GitHub forks | 0 | API · |
| Last push | 2026-08-06T19:33:33Z | API · |
| Repository archived | no | API · |
How was this verified, and what are the sources?
Verified · method: endpoint-probe
· confidence 0.85 (Good).
- Official MCP Registry record for io.github.Br0ski777/jwt-decoder at version 1.1.0 - lists remote endpoint https://jwt-decoder.api.klymax402.com/mcp and repository https://github.com/br0ski777/jwt-decoder-x402 - accessed
- Endpoint probe of https://jwt-decoder.api.klymax402.com/mcp - declined server/discover; negotiated 2024-11-05 via the legacy initialize handshake; tools/list returned 1 tools - accessed