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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use jwt-inspector with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Transform your AI into a cybersecurity diagnostic capability. Instantly decode and inspect JSON Web Tokens (Headers, Payloads, and Expiry metadata) without requiring

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 1 capability

The complete jwt-inspector capability set.

These are the exact actions your AI can choose when you ask it to work with jwt-inspector.

Capability set01 / 01

01

1 capability in this set.

Part of 1 available through jwt-inspector.

  1. 01

    Inspect jwt

    It does not verify the signature, so do not use it to authenticate the token, only to inspect its payload and headers. Deeply inspects and decodes a JSON Web Token (JWT), extracting the Header, Payload claims, and calculating expiry metadata without requesting verification keys

Observed, not estimated

828ms average. Fast in production.

jwt-inspector is checked daily against the live service.

Daily averagePeak 958ms
Aug 20Today
Fastest day
667ms
Slowest day
958ms
14-day trend
Improving-7%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 1 capability arrives ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of jwt-inspector, so you can see the experience inside your AI.

It does not authenticate your account with jwt-inspector. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

jwt-inspector Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_RsYg5zWS4FmqwKKg6ipnjA8RXRYXPnnOtriCNwkH/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — jwt-inspector capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "deterministic-jwt-inspector-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_RsYg5zWS4FmqwKKg6ipnjA8RXRYXPnnOtriCNwkH/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions jwt-inspector owners ask.

  • 01

    Does this capability verify the JWT signature for authentication?

    No. The JWT Inspector is strictly a structural diagnostic capability. It bypasses signature verification to allow the AI to inspect payloads and headers during development and debugging workflows. It should not be used as a backend authentication gate.

  • 02

    Is it secure to decode tokens this way?

    Extremely secure. Instead of pasting your token into a third-party website, the decoding happens entirely within the deterministic V8 engine of your local agent runtime, ensuring zero data leakage.

  • 03

    Can it tell me if a token has expired?

    Yes. The engine automatically parses the exp (expiration) and iat (issued at) claims, converting them from UNIX timestamps into human-readable ISO dates and returning a boolean flag indicating if it is expired.

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