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shim-cli

Open-source hook and local proxy for Claude Code, Codex, Copilot CLI and VS Code.

Visit getshim.tech ↗@getshimtech on X ↗

What shim-cli does

Open-source hook and local proxy for Claude Code, Codex, Copilot CLI and VS Code. In Claude Code it masks secrets and personal data in tool results before the model reads them, and 'shim watch' shows what a session sent and what it cost. No account, no telemetry.

Good for

  • Stop API keys in .env files leaking into an AI coding session
  • See what a coding-agent session sent and cost

Try this in 10 minutes

  1. Stop API keys in .env files leaking into an AI coding session. Use the free version: pick one real example from your own business and try just that.
  2. See what a coding-agent session sent and cost. Put the result next to how you do it today. Is it faster, cheaper or better?
  3. Sign up (free plan or trial if available) and try it on one real task from this week.

Mini-tasks based on common small-business uses for this tool.

Honest take

No red flags in our notes so far

We have not written a detailed take on this tool yet. The summary above is based on the maker’s own website.

Pricing

Free, open source.

Prices as listed by the maker when we last checked (2026-10-19); usually in US dollars. Check the website for current prices.

Latest update

  • 2026-10-18: launched on Product Hunt (#3 of the day).

Is shim-cli worth it? Quick answers

Is shim-cli worth it?

shim-cli is a niche pick: useful for specific cases, but most small businesses can skip it for now. It is free or open source, so the main cost is your time to set it up.

How much does shim-cli cost?

Free, open source.

What is shim-cli used for?

Open-source hook and local proxy for Claude Code, Codex, Copilot CLI and VS Code. Typical uses: stop API keys in .env files leaking into an AI coding session; see what a coding-agent session sent and cost.