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Geiger

See every AI agent on your machine and what it can touch

🤖 AI Agents🧑‍💻 Coding & Dev ToolsOpen SourceY▲ 49 on HNLaunched September 24, 2026

Geiger is a read-only command that inventories every AI agent, harness, MCP server, plugin and AI extension on a machine, and explains in plain language what each one can touch. Run npx geiger-scan with no install, account or telemetry. First shared by its maker on Show HN: https://news.ycombinator.com/item?id=49627646

✨ The overview, FAQ and details below were drafted by AI from the product's own website and haven't been reviewed by the maker yet. Are you the maker? Claim this listing to review and edit them.

Overview

Who is it for?

Developers and IT teams who want to know what AI tooling is installed and what it can access.

Problem

AI agents and plugins can run commands, read files and hold credentials, but they're configured in dotfiles nobody checks.

Solution

One scan that finds agent configs across ecosystems, labels their exposure, redacts credentials and suggests fixes.

What makes it unique

Zero dependencies and read-only: it writes nothing unless you ask for a JSON report.

Geiger FAQ

How do I run it?

npx geiger-scan. No install or account needed; it requires Node 18 or newer.

Does it change anything on my machine?

No. It only reads configs and directories, unless you ask for a JSON output file.

Does it send data anywhere?

No. There's no telemetry.

Details

Pricing
Open Source
Built for
Developers
Platforms
CLI
Tech stack
Node.js

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