What is visor CLAUDE.md?

Repository-specific instructions for Visor, an AI code-review tool that checks GitHub pull requests or local code for security, performance, style, and design problems.

Use it when developing Visor, running its command-line checks, testing pull-request reviews, linting or formatting TypeScript, or generating test coverage.

It lists the commands for building, testing, formatting, and running all checks, so changes can be verified consistently.

visor CLAUDE.md — Instructions file by probelabs

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add instructions/probelabs/visor/claude-md

Clone the repo

git clone --depth 1 https://github.com/probelabs/visor

Per session 1,903 This file is loaded in full into every session.

When invoked 1,903 The same file — it is already loaded in full.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.01903	$0.01903
Opus 5	$0.00951	$0.00951
Sonnet 5	$0.00381	$0.00381
Haiku 4.5	$0.00190	$0.00190

Measured 2d ago against content hash bf195c9b5c83, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

visor CLAUDE.md 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 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

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.md · 171 lines

How it starts

The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

Visor is an AI-powered code review tool for GitHub Pull Requests that can run as both a GitHub Action and CLI tool. The project analyzes code for security, performance, style, and architectural issues using various AI providers (Google Gemini, Anthropic Claude, OpenAI GPT) and provides intelligent feedback.

Development Commands

Build and Development

npm run build - Build TypeScript to dist/
npm run clean - Remove dist/ directory
npm run prebuild - Runs clean before build

Testing

npm test - Run all Jest tests (timeout: 10 minutes per user config)
npm run test:watch - Run tests in watch mode
npm run test:coverage - Generate coverage report

Code Quality

npm run lint - Lint TypeScript files in src/ and tests/
npm run lint:fix - Auto-fix linting issues
npm run format - Format code with Prettier
npm run format:check - Check code formatting

Running the Tool

./dist/cli-main.js --help - Show CLI help after building
./dist/cli-main.js --check all - Run all checks
./dist/cli-main.js --check security --output json - Security check with JSON output
./dist/cli-main.js config snapshots - List config snapshots
./dist/cli-main.js --slack --config .visor.yaml --watch - Slack mode with live config reload

Deployment

npm run deploy:site - Deploy site to Cloudflare Pages
npm run deploy:worker - Deploy worker to Cloudflare
npm run deploy - Deploy both site and worker

Architecture Overview

Core Components

Entry Points:

src/index.ts - GitHub Action entry point, handles GitHub event processing
src/cli-main.ts - CLI tool entry point, parses arguments and runs checks

Key Services:

src/reviewer.ts - Core review logic and issue scoring calculations
src/ai-review-service.ts - AI provider abstraction for code analysis
src/pr-analyzer.ts - GitHub PR data extraction and diff processing
src/pr-detector.ts - Detects PR context from various GitHub events
src/github-comments.ts - Manages GitHub PR comments and updates
src/check-execution-engine.ts - Orchestrates running multiple check providers

Read the full file on GitHub · 171 lines

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.

2d ago First seen · 171 lines · 1,903 tokens per session scan A bf195c9b5c83

Subscribe to this mod's changes

visor CLAUDE.md is an instructions file published in the GitHub repository probelabs/visor (23 stars, last pushed 2d ago), licensed MIT. It adds 1,903 tokens to every session, about $0.0095 per session on Opus 5. 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 2026-08-30.

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visor CLAUDE.md