chrpme_MCP: Instructions file for Codex

AGENTS.md

chrpme_MCP AGENTS.md is an instructions file for Codex, OpenCode from zhang77-X/chrpme_MCP. It costs 206 tokens per session, scanned A, a copy of chrome-devtools-mcp AGENTS.md, Apache-2.0.

A set of AGENTS.md instructions for a TypeScript project containing a Chrome DevTools MCP server and command-line tool. It sets rules for building, testing, formatting, and writing TypeScript.

In plain words
What is it for?
Use it when changing this project, especially to build it, run all or selected tests, format code, and avoid unsafe TypeScript shortcuts.
Why use it?
It keeps code changes and checks consistent by telling the agent which project commands and TypeScript practices to follow.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is zhang77-X/chrpme_MCP's own configuration. It tells Codex and OpenCode how to work on chrpme_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 chrpme_MCP configures →

Reuse

Borrowing it

Nothing to install: this file belongs to zhang77-X/chrpme_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/zhang77-X/chrpme_MCP/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/zhang77-X/chrpme_MCP

Made for: Codex, OpenCode.

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 chrpme_MCP AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/zhang77-x/chrpme_mcp/agents-md/github.svg)](https://agentmods.dev/instructions/zhang77-x/chrpme_mcp/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/zhang77-x/chrpme_mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/zhang77-x/chrpme_mcp/agents-md/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 chrpme_MCP AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/zhang77-x/chrpme_mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/zhang77-x/chrpme_mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 206 This file is loaded in full into every session.
When invoked 206 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 92% copy Near-identical to another mod 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00206 $0.00206
Opus 5.5 $0.00082 $0.00082
Sonnet 5.5 $0.00041 $0.00041
Haiku 4.5 $0.00021 $0.00021

Measured 2mo ago against content hash 78e249431c9c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

chrpme_MCP AGENTS.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 2mo 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.

Origin

This is a copy

92% identical to chrome-devtools-mcp AGENTS.md — 196 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

AGENTS.md · 20 lines

What it actually says

This repository contains an MCP server and CLI for Chrome DevTools.

Instructions

  • Use only scripts from package.json to run commands.
  • Use npm run build to run tsc and test build.
  • Use npm run test to build and run tests, run all tests to verify correctness.
  • Use npm run test path-to-test.ts to build and run a single test file, for example, npm run test tests/McpContext.test.ts.
  • Use npm run format to fix formatting and get linting errors.

Rules for TypeScript

  • Do not use any type.
  • Do not use as keyword for type casting.
  • Do not use ! operator for type assertion.
  • Do not use // @ts-ignore comments.
  • Do not use // @ts-nocheck comments.
  • Do not use // @ts-expect-error comments.
  • Prefer for..of instead of forEach.
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. 2mo ago First seen · 20 lines · 206 tokens per session scan A 78e249431c9c

Subscribe to this mod's changes

chrpme_MCP AGENTS.md is an instructions file published in the GitHub repository zhang77-X/chrpme_MCP (0 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 206 tokens to every session, about $0.0008 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 92% identical to chrome-devtools-mcp AGENTS.md, differing in 196 lines, and is treated as a copy.

Related

chrpme_MCP AGENTS.md compared with instructions from other repositories

chrpme_MCP AGENTS.md next to 6 instructions from other repositories
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chrpme_MCP AGENTS.mdzhang77-X/chrpme_MCPInstructions file05mo agoApache-2.0A206Codex, OpenCode
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vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA3,093GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscodeInstructions file195ktodayMITA2,022GitHub Copilot