chrome-devtools

A tool for inspecting and automating a live Chrome browser through Chrome's DevTools connection.

In plain words
What is it for?
For debugging browser problems, investigating network requests, reading console errors, and examining performance traces.
Why use it?
It brings browser performance traces, network activity, and console output into the coding agent's work.

MCP server for Claude CodeCodexCursor

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 mcp/shivamprasad99/chrome-devtools-mcp/chrome-devtools
Clone the repo
git clone --depth 1 https://github.com/shivamprasad99/chrome-devtools-mcp

Made for: Claude Code, Codex, Cursor.

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 100% copy Near-identical to another mod in the catalogue.
Security

Grade A, and why

chrome-devtools 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 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

100% identical to chrome-devtools — 1 line 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.

.mcp.json · 8 lines

What it actually says

{
  "chrome-devtools": {
    "command": "npx",
    "args": [
      "chrome-devtools-mcp@latest"
    ]
  }
}
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 · 8 lines scan A 83f22dcc25a6

Subscribe to this mod's changes

chrome-devtools is an MCP server published in the GitHub repository shivamprasad99/chrome-devtools-mcp (0 stars, last pushed 3mo ago), licensed Apache-2.0. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. It is 100% identical to chrome-devtools, differing in 1 line, and is treated as a copy.