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r33drichards/mcp-js

MCP Developer Tools

A Model Context Protocol server that runs JavaScript/TypeScript in a sandboxed V8 isolate, providing durable state and policy‑gated capabilities for AI agents

Track releases GitHub
Rust Latest v0.18.1 · 24d ago Security brief →

Features

  • Execute arbitrary JavaScript/TypeScript in an isolated V8 engine with async support
  • Persist and restore heap snapshots for durable, stateful agent sessions
  • Policy‑controlled access to network, filesystem, subprocesses, and WebAssembly

Recent releases

View all 36 releases →
No immediate action
v0.18.1 New feature

OAuth client credentials

Open
Review required
v0.14.0 New feature
RCE / SSRF

File upload support

Open
No immediate action
v.0.13.0 New feature

Blob/File/FormData fetch support

Open
Review required
v0.12.0 Breaking risk
Auth Breaking upgrade

/api/tools removal

Open
No immediate action
v0.11.0 Breaking risk

AGPLv3 license + heap limit removal

Open

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About

Stars
49
Forks
9
Languages
Rust Nix Python
View on GitHub Documentation

Install & Platforms

Install via
shell-script docker-compose nix
Platforms
linux macos arm64

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vinkius-labs/mcp-fusion

Beta — feedback welcome: [email protected]