MCP server that exposes a V8 JavaScript runtime as a tool for AI agents like Claude and Cursor. Supports persistent h...
Copy the install, test the workflow, then decide if it earns a permanent slot.
Fresh repo activity plus visible builder pull. This is the kind of tool people test before it turns obvious.
Copy the install, test the workflow, then decide if it earns a permanent slot.
You can test this quickly and remove it cleanly if it misses.
GitHub health 42/100. no security policy. 16 open issues make this testable, but not something to trust blind.
AI Agent
Cursor AI
Model
Claude
Fastest way to find out if mcp-js belongs in your setup.
Copy the install command, run a real test, and back it out cleanly if it slows you down.
claude mcp add mcp-js -- npx mcp-jsRun this first. You will know quickly if the workflow earns a permanent slot.
claude mcp remove mcp-jsNo messy cleanup loop. If it misses, remove it and keep moving.
Install Location
~/ └─ .claude.json └─ mcp_servers/ └─ mcp-js ← registers here
MCP server that exposes a V8 JavaScript runtime as a tool for AI agents like Claude and Cursor. Supports persistent heap snapshots via S3 or local filesystem, and is ready for integration with modern AI development environments.
Source: GitHub repository
Source check: July 18, 2026
Upstream commit: July 6, 2026
Repository state: Not marked archived
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