Borrowing it
Nothing to install: this file belongs to EndeavorYen/chrome-cdp-ex. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/EndeavorYen/chrome-cdp-ex/main/AGENTS.mdgit clone --depth 1 https://github.com/EndeavorYen/chrome-cdp-exWrote 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.
[](https://agentmods.dev/instructions/endeavoryen/chrome-cdp-ex/agents-md)<a href="https://agentmods.dev/instructions/endeavoryen/chrome-cdp-ex/agents-md"><img src="https://agentmods.dev/badge/instructions/endeavoryen/chrome-cdp-ex/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.
<a href="https://agentmods.dev/instructions/endeavoryen/chrome-cdp-ex/agents-md"><img src="https://agentmods.dev/badge/instructions/endeavoryen/chrome-cdp-ex/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 5.1 | $0.01829 | $0.01829 |
| Opus 5.5 | $0.00732 | $0.00732 |
| Sonnet 5.5 | $0.00366 | $0.00366 |
| Haiku 4.5 | $0.00183 | $0.00183 |
Grade A, and why
chrome-cdp-ex 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md — chrome-cdp-ex
This is the only instruction file for agents working on this repository.
chrome-cdp-ex lets an agent use the user's running Chrome (or an Electron app) through the Chrome DevTools Protocol: the same tabs, cookies, and logins. Node.js 22+, zero runtime dependencies.
Layout
| Path | What |
|---|---|
skills/chrome-cdp-ex/scripts/cdp.mjs |
Entry point only: runs main when executed and re-exports executeCdpCli and __test__. |
skills/chrome-cdp-ex/scripts/lib/cdp-*.mjs |
The runtime, split out of cdp.mjs: cdp-base (constants and pure helpers; imports no other cdp-* module), cdp-core (daemon lifecycle, tab environment, console buffers), cdp-browser (browser discovery, targets, tab groups), cdp-page (screenshots, diff-shot, nav), cdp-action-result (action outcome and diagnosis), cdp-session-report (status, summary, QA, reports, record export), cdp-perceive (refs and perceive), cdp-input (click, press, scroll, hover, drag, fill, select), cdp-page-commands (components, cookies, netlog, mock, upload, text, table), cdp-flow (inject, record, cascade, batch, flow, replay), cdp-doctor (doctor, spawn-debug-browser, overlay), cdp-daemon (runDaemon and the daemon server), cdp-cli (help, argument parsing, CLI errors, open), cdp-main (main, executeCdpCli). cdp-domains and cdp-session are the older CDP transport helpers. Commands are <name>Str(cdp, sid, ...) functions registered in COMMANDS. |
skills/chrome-cdp-ex/scripts/lib/ (other files) |
Focused helpers: recovery, receipts, perception model, MCP adapter, command-surface.mjs (command catalog). |
skills/chrome-cdp-ex/scripts/mcp-server.mjs |
stdio MCP server; maps tools to the same CLI commands. |
skills/chrome-cdp-ex/SKILL.md |
Always-loaded agent card. Exhaustive command docs: skills/chrome-cdp-ex/references/, docs/reference.md. |
tests/ |
Vitest. scripts/live-smoke.mjs drives a real browser. |
changelog.d/ |
Unreleased changelog fragments. |
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.
- 4d ago Changed · +38 tokens per session 7006094d414c
- 10d ago Changed · +2 lines · +36 tokens per session 75e7b5fc70f2
- 16d ago Changed · +30 lines · +1,080 tokens per session f9eb4e670c96
- 20d ago Changed · +34 lines · +498 tokens per session f7b630367f45
- 1mo ago First seen · 21 lines · 177 tokens per session scan A 90296bce0fca
chrome-cdp-ex AGENTS.md is an instructions file published in the GitHub repository EndeavorYen/chrome-cdp-ex (22 stars, last pushed 3d ago), licensed MIT. It adds 1,829 tokens to every session, about $0.0073 per session on Opus 5.5. A static security scan graded it A with 0 findings. It comes from a forked repository.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
vscode model-prompts.instructions.md
Model-specific prompt authoring and registry guidelines.