mcp-js

by r33drichards · MCP Server · ★ 43

About mcp-js

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.

Quick Facts

Stars43
Forks8
LanguageRust
CategoryMCP Server
LicenseAGPL-3.0
Quality Score35.75/100
Open Issues5
Last Updated2026-05-12
Created2025-04-06
Platformsclaude-code, mcp, rust
Est. Tokens~185k

Compatible Skills

These tools work well together with mcp-js for enhanced workflows:

  • agent-worktree — semantic(0.15)+complementary+same_lang+similar_pop+shared_platform (50%)

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Frequently Asked Questions

What is mcp-js?

mcp-js is 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 . It is categorized as a MCP Server with 43 GitHub stars.

What programming language is mcp-js written in?

mcp-js is primarily written in Rust.

How do I install or use mcp-js?

You can find installation instructions and usage details in the mcp-js GitHub repository at github.com/r33drichards/mcp-js. The project has 43 stars and 8 forks, indicating an active community.

What license does mcp-js use?

mcp-js is released under the AGPL-3.0 license, making it free to use and modify according to the license terms.

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