Active

io.github.extensiondev/mcp

Build, run, inspect, and publish browser extensions from any MCP client. 28 tool

GitHub ↗npm ↗

TrustScore

✅ No clear abandonment signal detected; complete security and compatibility checks before production use

Before you connect

🔑 Needs an API key / tokenNode.js

Config example (to connect)

{
  "mcpServers": {
    "extension-dev": {
      "command": "npx",
      "args": ["@extension.dev/mcp"]
    }
  }
}

Install / Connect

claude mcp add mcp -- npx -y @extension.dev/mcp

Follow the official README; env and args vary per server.

🛠️ Maintenance weight 30% · 95 pts

📝

Last committoday

📈

Commits in 90 days100

💬

Recent issues with replies75%

🗃️

Repo statusNormal

📊 Adoption weight 25% · 20 pts

⭐

GitHub stars1

📦

npm weekly downloadsNot npm-distributed

🚀

Releases per month7.7

✅ Usability weight 20% · 55 pts

📋

Official registryPending registry re-verification

▶️

Runnable entryResolvable (npx/remote)

🔍

AuditabilityOpen-source repo, auditable

❤️ Health & community weight 25% · 53 pts

🐛

open issues1

🔀

open PRs—

⚖️

LicenseApache-2.0

👥

Contributors / forks3 / 0

Sources: GitHub API · npm registry · updated 2026-08-02

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Bulk-scrape static sites to Markdown / feed a knowledge base→Pick Firecrawl — easiest for whole-site crawl and extraction
Want scaled, cloud-hosted browsers→Pick Browserbase / Hyperbrowser — cloud sessions

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