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  1. Servers
  3. FrankKi

FrankKi

app.frankki/letters

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.

CommunicationSecurity

Findings

  • (connection) · transport

    Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","id":1,"error":{"code":-32603,"message":"Nicht autorisiert. EN: Not authorized."}}

Check history

updated 6h ago·re-checked weekly

DateGradeErrorsWarnings
2026-08-17unreachable——
2026-08-10unreachable——

Graded by connecting to the live server and validating every tool schema. Grades re-run on every sync. Findings and grades are never editable by the publisher.

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Kick the tires on your own server: run a check

Grade
–

Not graded: unreachable on the last check.

How grading works

Install

Claude Code (remote)

claude mcp add --transport http app-frankki-letters https://mcp.frankki.app

Endpoint (streamable HTTP)

https://mcp.frankki.app

Verify it yourself

npx tirekick check https://mcp.frankki.app
Links
  • MCP registry entry
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