io.github.KryptosAI/mcp-seatbelt

Is the io.github.KryptosAI/mcp-seatbelt MCP server down? Yes. It has given no valid answer since 2026-10-18: crashed on start.

MCP runtime security proxy. Blocks dangerous AI agent tool calls with a policy engine.

crashed on start down since 2026-10-18 · probed 2026-11-14 · unchanged since 2026-11-01

MCP error -32000: Connection closed
  test-policy [options] <test-file>             Run policy tests from a test YAML file
  fuzz [options]

Run it: npx -y @kryptosai/mcp-seatbelt@0.7.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Repository: https://github.com/KryptosAI/mcp-seatbelt
Registry: active, updated 2026-08-04 · registry entry
Changes: 2 recorded, reachable in 0 of them. A row is added when the result, the tool count or the cost changes.

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History

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-11-01 08:14	crashed on start
2026-10-18 06:41	not MCP

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

No valid answer since 2026-10-18, in every probe since then.
The process exited on start before it answered initialize. The error output is above.