What is witness?
witness is a Claude Code mod by iniphi that keeps a ledger of what you asked for and counts it done only on evidence: claims stay pale until a read-back confirms them, bare SQL UPDATE or DELETE writes are held for your answer, and a. It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | iniphi |
| Repository | iniphi/witness |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | High risk (48/100) |
| Rank | #3,452 of 5,272 Claude Code mods; #1,437 in Interface |
| License | MIT |
| Last commit | 2026-10-14 |
| Hooks | 10 events |
| Sees | every prompt, every tool call |
| Draws on | Pane, AbovePrompt |
Is witness safe to install?
witness scores 48/100 on the MCPMods security check: High risk. Things to review: starts processes outside the sandbox; writes files or config; reads environment variables; watches every prompt or event. It passed 3 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes files or config | Review |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.command.list | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.model.complete | drives Claude |
$.process.run | runs processes |
$.prompt.fill | writes the prompt box |
$.prompt.read | |
$.prompt.submit | drives Claude |
$.session.id | |
$.session.repo | |
$.session.send | |
$.session.usage | |
$.settings.read | reads settings |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
How do I install witness?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/iniphi/witness claude plugin validate ./witness/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add iniphi/witness && claude plugin install witness@iniphi-witness
Or ask Claude to set it up
Paste this into Claude Code and it installs witness for you:
Install the "witness" Claude Code mod from https://github.com/iniphi/witness. Run claude plugin validate on it first and show me what it can access before you enable it.