added mcp server

[ddtch]

Want to provide mcp to the Atuin desktop and cli. if its relevant for you guys

[github-actions]

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[greptile-apps]

Greptile Summary

Adds a new MCP server that exposes Atuin's shell history, scripts, dotfiles, KV store, and Desktop runbooks/workspaces to AI agents via 35 tools and 6 resources over stdio JSON-RPC.

Key issues:

• .mcp.json contains a hardcoded local path (/Users/dorado/Desktop/...) and should not be committed, or should be added to .gitignore
• Database path in fs.ts is macOS-only (~/Library/Application Support) with no Linux/Windows fallback
• cancelExecution in api.ts has no timeout and can hang indefinitely, unlike other API calls that have timeouts

_{Last reviewed commit: a75455d}