Skip to content
Agentmart
Submit a tool

mcp-v8

Run JavaScript and TypeScript in sandboxed V8 isolates with policy-controlled host capabilities.

Connector by r33drichards · GitHub account verified by the MCP Registry

IndexedAGPL-3.0Local (stdio)★ 62
Write a review

Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/r33drichards-mcp-js

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

We use your email only for this newsletter. Privacy

About

Run JavaScript and TypeScript in sandboxed V8 isolates with policy-controlled host capabilities.

Use cases: code-generation

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its install config and code. Checked Oct 25, 2026.

Runs code on install

Its package runs an install script (such as npm postinstall or setup.py code) as soon as you install it, before any tool is called. Read the script first.

Tools
No tools found
Secrets
None asked for
Install scripts
Runs code on install
Runs as
Docker image

Network hosts it talks to 10

  • api.github.com · found in code
  • esm.sh · found in code
  • evil.test · found in code
  • example.test · found in code
  • github.com · found in code
  • min-common-api.proposal.wintertc.org · found in code
  • opa.internal · found in code
  • r33drichards.github.io · found in code
  • railway.com · found in code
  • raw.githubusercontent.com · found in code

Files it touches

  • /dev/null
  • /dev/random
  • /dev/urandom
  • /dev/zero
  • /etc/hostname
  • /etc/mcp-v8/fetch.rego
  • /etc/mcp-v8/prompt.txt
  • /etc/shadow
  • /opt/mods/math.wasm
  • /private/etc
  • /private/var/db
  • /proc/self
  • /tmp/mcp-v8-heaps
  • /tmp/mcp-v8-sessions
  • /tmp/new.txt
  • /tmp/old.txt
  • /tmp/test.txt
  • /tmp/x
  • /var/lib/v8/sessions
  • /var/lib/v8/sessions/fs-blobs
  • /var/lib/v8/sessions/fs-labels
  • /var/log/mcp-js/fs-audit.log

Compare and alternatives

    Featured in

    Signals

    Stars
    62
    Forks
    13
    Open issues
    9
    Contributors
    5
    Last commit
    Oct 20, 2026 (9 days ago)
    Last release
    Oct 8, 2026 (20 days ago)
    Last package publish
    Oct 20, 2026 (9 days ago)

    From GitHub (fetched Oct 24, 2026) and the package registry.

    Details

    Registry name
    io.github.r33drichards/mcp-js
    Version
    0.22.0
    Auth
    No auth
    Packages
    oci docker.io/wholelottahoopla/mcp-js:0.22.0
    License
    AGPL-3.0
    Repository
    github.com/r33drichards/mcp-js
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    Official MCP Registrygithub-graphql
    Cite this page

    mcp-v8. Agent Mart. https://agentmart.dev/connectors/r33drichards-mcp-js (last updated 2026-10-24)