MonorailCss.Framework: Hook for Claude Code

.claude/settings.json

PostToolUse is a hook for Claude Code from monorailcss/MonorailCss.Framework. Its token cost is not measured, scanned A, original, MIT.

An automatic after-edit hook that checks changed C# files with dotnet format. A hook is a command run by the coding agent after a matching tool action finishes.

In plain words
What is it for?
Use it in an agent workflow that edits C# or .NET projects and should format those files after changes.
Why use it?
It reduces the chance that edited C# code is left in an inconsistent format. The hook only runs for Write, Edit, and MultiEdit actions and only targets files ending in .cs.

Hook for Claude Code

Written for Claude Code: PostToolUse hook event.

This is monorailcss/MonorailCss.Framework's own configuration. It tells Claude Code how to work on MonorailCss.Framework 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 MonorailCss.Framework configures →

One of 2 entries in settings.json — they are configured in one file and arrive together.

Reuse

Borrowing it

Nothing to install: this file belongs to monorailcss/MonorailCss.Framework. 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/monorailcss/MonorailCss.Framework/main/.claude/settings.json
Clone the repo
git clone --depth 1 https://github.com/monorailcss/MonorailCss.Framework

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 PostToolUse

README.md
[![agentmods](https://agentmods.dev/badge/hooks/monorailcss/monorailcss.framework/post-tool-use.svg)](https://agentmods.dev/hooks/monorailcss/monorailcss.framework/post-tool-use)
Your own site
<a href="https://agentmods.dev/hooks/monorailcss/monorailcss.framework/post-tool-use"><img src="https://agentmods.dev/badge/hooks/monorailcss/monorailcss.framework/post-tool-use.svg" alt="Measured on agentmods" 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. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

PostToolUse 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 · 13 lines

What it actually says

{
  "PostToolUse": [
    {
      "matcher": "Write|Edit|MultiEdit",
      "hooks": [
        {
          "type": "command",
          "command": "powershell -Command \"$input = [Console]::In.ReadToEnd(); $json = $input | ConvertFrom-Json; $file = $json.tool_input.file_path; if ($file -match '\\.cs$') { dotnet format $file }\""
        }
      ]
    }
  ]
}
Same file

What else settings.json configures

This page is one entry in a file that holds 2. 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 First seen · 13 lines scan A e2effd10e5d4

Subscribe to this mod's changes

PostToolUse is a hook published in the GitHub repository monorailcss/MonorailCss.Framework (38 stars, last pushed 3d ago), licensed MIT. 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 2026-09-04.