AI Plugin Index
Permlang
Verified · npm:permlangMCP server by PermLang · updated · ★ 1 · 486 downloads a week
Build-time permission checker for TypeScript and AI agents. Fails the pull request when code starts reaching a new server, file, secret, database table, or CI permission, and flags risky MCP and other AI tools. Permlang is published by npm:permlang from its verified domain in the official MCP Registry.
Last commit 5 days ago
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, original repository
Not checked yet. What we check
Install Permlang
Built from the published package, never by AIclaude mcp add permlang -- npx -y permlangRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"permlang": {
"command": "npx",
"args": [
"-y",
"permlang"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"permlang": {
"command": "npx",
"args": [
"-y",
"permlang"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"permlang": {
"command": "npx",
"args": [
"-y",
"permlang"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add permlang -- npx -y permlang{
"mcpServers": {
"permlang": {
"command": "npx",
"args": [
"-y",
"permlang"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add permlang npx -y permlangGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the permlang block.
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Permlang: common questions
How do I install Permlang?
In Claude Code run claude mcp add permlang -- npx -y permlang. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Permlang the official server?
Permlang is published by npm:permlang from its verified domain in the official MCP Registry.
Is Permlang free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is Permlang safe to use?
It scores 79 of 100. Grades: maintenance A, licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Permlang?
Similar MCP servers: Supabase, Ruvector, MCP Toolbox for Databases, MCP Fetch.
Does Permlang work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.