Flagrix MCP Server
Scan GitHub repositories and profiles for malware before you clone - from the terminal, CI, or an AI agent. The same commit-pinned verdict as the Flagrix browser extension, made callable. It runs locally over stdio via the published package.
People who work with malware detection and security and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.
VERIFIED ACTIVE
LAST COMMIT 2026-07-13 · ★ 2 · #116 OF 204 MAINTAINED SECURITY · VERIFIED 2026-09-18
MIT · JavaScript servers · how we verify → /methodology
01 · Install Flagrix
Claude Code
claude mcp add flagrix-io-flagrix-cli -- npx -y flagrix Claude Desktop / Cursor / VS Code - add to config
{
"mcpServers": {
"flagrix-io-flagrix-cli": {
"command": "npx",
"args": [
"-y",
"flagrix"
]
}
}
} Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.
Using another client? Same JSON, different key
Claude Desktop · mcpServers
Cursor · mcpServers
VS Code · servers
Windsurf · mcpServers
Zed · context_servers
Cline · mcpServers
Roo Code · mcpServers
Continue · mcpServers
LibreChat · mcpServers
Gemini CLI · mcpServers
Codex CLI · mcp_servers
Full setup guides: every client.
02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as local process (stdio) - runs on your machine with your user's permissions
license MIT - declared in the repository
npm package flagrix - unscoped; check the name against the project README before installing
registry namespace io.github.flagrix-io is GitHub-verified and matches the repo owner
03 · Who maintains Flagrix
flagrix is maintained by flagrix-io. It's the only MCP server we track from this author; the repo dates to Jul 2026.
04 · Facts
- repository
- github.com/flagrix-io/flagrix-cli
- category
- security - ranked #116 of 204 actively-maintained security servers as of 2026-09-18.
- registry
- io.github.flagrix-io/flagrix (active, first published 2026-07-08)
- packages
- npm:flagrix
05 · Flagrix FAQ
What is Flagrix?
Scan GitHub repositories and profiles for malware before you clone - from the terminal, CI, or an AI agent. The same commit-pinned verdict as the Flagrix browser extension, made callable. It runs locally over stdio via the published package.
Is Flagrix still maintained?
Yes - as of 2026-09-18, its last commit was 2026-07-13. We re-verify nightly.
How do I install Flagrix?
Run `npx -y flagrix`. You can also paste the ready-made client config above.
Does Flagrix run locally?
Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.
06 · Alternatives to Flagrix
Alternatives to Flagrix
Maintained security servers if Flagrix isn't the fit.
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- SonarQube MCP Server Analyze code quality and security with SonarQube Server or Cloud directly in AI assistants. ★ 652 · 2026-09-17
- HOL Guard Local-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server. ★ 625 · 2026-09-18
- Decionis CommerceGate MCP Commerce preflights, D365 authorization, signed evidence, and reports; no marketplace or ERP writes. ★ 533 · 2026-09-18
- Emisar Let AI operate servers without SSH. Choose actions, approve risky changes, and audit every step. ★ 353 · 2026-09-15
Pairs well with
Servers that cover what Flagrix doesn't - only shown when the pairing reason fits the companion.
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