Once

io.github.stringsofthemind-ossv0.1.3Updated Sep 23, 2026

Execution-safety MCP for AI coding agents protecting consequential writes from unsafe retries.

VerifiedSTDIODesktop onlyAI & MLDeveloper Tools

Installation

In SourceWeft

  1. Open Once in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

Tools

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Version history

2
  1. v0.1.3LatestSep 22, 2026
  2. v0.1.2Sep 20, 2026