io.github.ac12644/vayl

Vayl

Is the Vayl MCP server down? No. It is up and needs env, probed 2026-11-11.

Reconciling memory for AI agents: a changed fact retires the old value, with history and approval.

needs env probed 2026-11-14 · unchanged since 2026-11-11

MCP error -32000: Connection closed
OSError: [Errno 30] Read-only file system: 'mcpcost-placeholder.key'
  File "/work/uv/vayl-mcp/lib/python3.12/site-packages/

Run it: uvx vayl-mcp@0.11.0 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/ac12644/vayl
Website: https://vayl.gitbook.io/vayl-docs
Registry: active, updated 2026-11-11 · registry entry

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Badge for the README

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

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A mail when this server changes

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

For the publisher

The server exits because an environment variable is missing. The probe starts the package without secrets. A server that starts without secrets and asks for them on the first tool call is measured.