mcp-js
Rank #975smithery/r33drichards/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.
mcp-js is a Model Context Protocol (MCP) server published by r33drichards. It ranks #975 of 115,460 servers tracked on MCP Toplist, and its repository has 51 GitHub stars. mcp-js is listed across 3 registries — Smithery, mcp.so and Glama, with 20 release tags tracked from its GitHub repository. It was first listed on May 11, 2025 and most recently updated on Aug 19, 2026.
Ranks ahead of 114,485 of 115,460 servers on MCP Toplist.
Use mcp-js
No credentials or required configuration declared — add it to your MCP client and go.
This server doesn't publish a machine-readable install config — see the repository README for install instructions.
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[](https://mcptoplist.com/server/smithery%2Fr33drichards%2Fmcp-js)<a href="https://mcptoplist.com/server/smithery%2Fr33drichards%2Fmcp-js"><img src="https://mcptoplist.com/badge/smithery%2Fr33drichards%2Fmcp-js.svg" alt="MCP Toplist: Top 1% of 115,460" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry (2 delisted)
r33drichards
Other servers by r33drichards
View all r33drichards servers →GitHub releases (20)
No registry surfaces explicit version metadata for this server. The list below shows release tags from the linked GitHub repository.
| Version | Published |
|---|---|
| v0.20.0 | Aug 19, 2026 |
| v0.19.2 | Aug 18, 2026 |
| v0.19.1 | Aug 18, 2026 |
| v0.19.0-rc2 | Aug 18, 2026 |
| v0.19.0-rc.1 | Aug 16, 2026 |
| v0.18.1 | Jul 3, 2026 |
| v0.18.0-rc.1 | Jun 19, 2026 |
| v0.17.0 | Jun 17, 2026 |
| v0.16.1 | Jun 17, 2026 |
| v0.16.0 | Jun 17, 2026 |
| v0.15.1 | Jun 16, 2026 |
| v0.15.0 | Jun 16, 2026 |
| v0.14.0 | Jun 14, 2026 |
| v.0.13.0 | Jun 10, 2026 |
| v0.12.0 | Jun 7, 2026 |
| v0.11.0 | May 30, 2026 |
| v0.10.22 | May 6, 2026 |
| v0.10.21 | May 5, 2026 |
| v0.10.20 | May 5, 2026 |
| v0.10.19 | May 5, 2026 |
Frequently asked questions
- Who maintains mcp-js?
- mcp-js is maintained by r33drichards, which publishes 2 MCP servers (20 total versions) tracked on MCP Toplist.
- Is mcp-js listed on the Official MCP Registry?
- mcp-js is not on the Official MCP Registry. It is listed on Smithery, mcp.so and Glama.
- How many versions does mcp-js have?
- No registry surfaces explicit version metadata for mcp-js; MCP Toplist tracks 20 release tags from its GitHub repository, most recently published on Aug 19, 2026.
- Where can I find the source code for mcp-js?
- The source code for mcp-js is hosted at github.com/r33drichards/mcp-js.