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.
npx skills add cw02326/auto-chrome-mcp --skill skillgit clone --depth 1 https://github.com/cw02326/auto-chrome-mcpWrote 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/skills/cw02326/auto-chrome-mcp/skill)<a href="https://agentmods.dev/skills/cw02326/auto-chrome-mcp/skill"><img src="https://agentmods.dev/badge/skills/cw02326/auto-chrome-mcp/skill.svg" alt="Measured on agentmods" 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 | $0.00569 | $0.04822 |
| Opus 5 | $0.00284 | $0.02411 |
| Sonnet 5 | $0.00114 | $0.00964 |
| Haiku 4.5 | $0.00057 | $0.00482 |
Grade B, and why
auto-chrome-mcp-doctor scanned grade B with 1 finding 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 3d 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
| **Installation** | 패키지가 PATH 에 없음 | `npm install -g auto-chrome-mcp-bridge` 실행 권유 (사용자가 sudo 필요할 수 있어 Claude 가 직접 실행 X) | How it starts
The opening of the file, as written. The whole thing — 263 lines — stays where its author put it; the contents beside it link to each section on GitHub.
auto-chrome-mcp doctor
이 스킬은 사용자가 auto-chrome-mcp (hangwin/mcp-chrome fork) 의 MCP 서버, 확장, bridge, 또는 도구 호출과 관련된 문제를 보고할 때 자동으로 진단·복구합니다.
모든 명령은 Bash tool 로 직접 실행하고 stdout/stderr 를 캡처해서 해석한 뒤 사용자에게 자연어로 답변하세요. "이 명령어를 직접 쳐주세요" 라고 사용자에게 넘기지 마세요.
먼저 auto-chrome-mcp-bridge -V 로 auto-chrome-mcp fork 인지 확인하세요.
명령이 없거나 다른 패키지 (mcp-chrome-bridge 등) 면 이 스킬은 종료하고
사용자에게 fork 안내만 합니다.
(A) Architecture in 1 minute
사용자 증상 듣고 어느 layer 가 깨졌는지 분류용 mental model:
Claude Code session ← 사용자가 작업하는 곳
↓ (stdio, .mcp.json 의 env 가 여기서 적용)
mcp-server-stdio.js ← bridge npm 패키지의 일부
↓ (HTTP fetch, URL = CHROME_PORT env override)
http://127.0.0.1:<port>/mcp ← bridge HTTP listener (chrome profile 별 분리)
↓ (in-process)
bridge (Native Messaging Host process) ← Chrome 이 connectNative 로 spawn
↑ (chrome.runtime.connectNative)
extension service worker ← profile-scoped (각 chrome profile 마다 1개)
↑ (popup ↔ service worker, chrome.runtime.sendMessage)
popup UI ← port 입력, 강제포커스 토글, 강제 재연결
핵심 invariant:
- stdio-config.json 의 url 은 hardcoded 이고,
mcp-server-stdio.js가process.env.CHROME_PORT가 있으면 그 port 로 override (v1.0.27+) - chrome profile 별로 bridge process 가 분리 spawn 됨 (각자 다른 port listen)
- popup 의 port 입력 → service worker → connectNative → bridge 가 그 port 로 listen
- 강제포커스 토글 (
chrome.storage.local의forceFocusOnToolCall, default false) =chrome.windows.update({focused:true})게이트
(B) Diagnostic playbook — 증상 → 명령 (Claude 가 직접 실행)
중요: 모든 명령은 Bash tool 로 Claude 가 직접 실행. 사용자에게 "이거 한 번 쳐보세요" 하지 마세요. stdout/stderr 캡처해서 해석한 뒤 자연어로 답합니다.
분기 알고리즘
- 증상 listening → 아래 trigger 표에서 최초 매칭 1개 골라 1st command 실행.
- stdout 캡처 →
doctor결과면 (B-doctor-output) 표 따라 ❌ 항목별 후속 결정. - 후속 명령 실행 후 사용자에게 결과 요약 (
'doctor 결과 권한 항목 빨간불. --fix 실행해서 chmod 755 적용함. 이제 popup 다시 열어봐줄래?'같이). - 3회 시도 후 미해결 → (E) escalate →
report --copy+ GH Issue URL 안내.
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.
- 3d ago Changed ca3962b0a091
- 4d ago Changed b79111677ffe
- 7d ago First seen · 263 lines · 569 tokens per session scan B 1a1b633b6c0d
auto-chrome-mcp-doctor is a skill published in the GitHub repository cw02326/auto-chrome-mcp (0 stars, last pushed 2d ago), licensed MIT. It adds 569 tokens to every session and 4,822 once invoked, about $0.0028 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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