agentmods.dev

precis-mcp: Hook for Claude Code

.claude/settings.json

PreToolUse is a hook for Claude Code from retospect/precis-mcp. Its token cost is not measured, scanned A, original, GPL-3.0.

A safety check that runs before selected file, shell, and data-editing actions.

In plain words
What is it for?
Use it to protect tool calls involving edits, commands, database-like memory changes, and commits made directly on the main branch.
Why use it?
It helps catch unsafe paths, secret access, sealed migration changes, and other risky actions before they happen.

Hook for Claude Code

Written for Claude Code: installed under .claude/.

This is retospect/precis-mcp's own configuration. It tells Claude Code how to work on precis-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything precis-mcp configures →

One of 8 entries in settings.json upstream. Installing this one merges just its entry into your config; the other 7 are separate, each on its own page.

not rated 11repo +2 changed yesterday A scan tokens not measured GPL-3.0
View source ↗ retospect/precis-mcp pypi.org
Reuse

Borrowing it

Nothing to install: this file belongs to retospect/precis-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/retospect/precis-mcp/main/.claude/settings.json
Clone the repo
git clone --depth 1 https://github.com/retospect/precis-mcp

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for PreToolUse

README.md
[![agentmods](https://agentmods.dev/badge/hooks/retospect/precis-mcp/pre-tool-use/github.svg)](https://agentmods.dev/hooks/retospect/precis-mcp/pre-tool-use)
Your own site
<a href="https://agentmods.dev/hooks/retospect/precis-mcp/pre-tool-use"><img src="https://agentmods.dev/badge/hooks/retospect/precis-mcp/pre-tool-use/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for PreToolUse

Your own site · 80×15
<a href="https://agentmods.dev/hooks/retospect/precis-mcp/pre-tool-use"><img src="https://agentmods.dev/badge/hooks/retospect/precis-mcp/pre-tool-use.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Security

Grade A, and why

PreToolUse scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the commands this hook runs, not an audit. A hook is shell that executes on your machine at the event it names, which is why every command in it is printed with what was found.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/settings.json · 123 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Same file

What else settings.json configures

This page is one entry in a file that holds 8. Installing the file brings all of them; each is measured and scanned on its own page.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday Changed · +4 lines 11d9eb9de717
  2. 11d ago Changed · +8 lines a367cb090a7e
  3. 13d ago Changed · +9 lines e8c795114589
  4. 15d ago Changed · +4 lines 9cc4d3ea9487
  5. 27d ago Changed d6a0a431c227
  6. 1mo ago Changed · +4 lines a3ffd690cae9
  7. 1mo ago Changed · +9 lines edfd8265e96e
  8. 1mo ago Changed · +4 lines 32c82b0d3a47
  9. 2mo ago First seen · 81 lines scan A 43cf707d0f0e

Subscribe to this mod's changes

PreToolUse is a hook published in the GitHub repository retospect/precis-mcp (11 stars, last pushed today), licensed GPL-3.0. Its token cost is not measured: a hook is shell that never enters the context. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

LLMPythonSecurityai-agentmcpmcp-servermodel-context-protocol
Related

PreToolUse compared with hooks from other repositories

PreToolUse next to 6 hooks from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
PreToolUseretospect/precis-mcpHook11todayGPL-3.0A—Claude Code
PostToolUsesupabase/supabaseHook115kyesterdayApache-2.0A—Claude Code
SessionStartsupabase/supabaseHook115kyesterdayApache-2.0A—Claude Code
SessionStartgoogle-gemini/gemini-cliHook109kyesterdayApache-2.0A—Claude Code
PreToolUseapache/supersetHook75kyesterdayApache-2.0A—Claude Code
PreToolUseanthropics/claude-cookbooksHook54k2d agoMITA—Claude Code
PostToolUseanthropics/claude-plugins-officialHook46kyesterdayApache-2.0A—Claude Code