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chrome-devtools-mcp-singleton

Manages a single-instance Chrome DevTools MCP server, ensuring no concurrent processes run, ideal for development environments.

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Security score

The chrome-devtools-mcp-singleton skill was audited on Feb 9, 2026 and we found 14 security issues across 3 threat categories, including 2 high-severity. Review the findings below before installing.

Categories Tested

Security Issues

high line 103

Template literal with variable interpolation in command context

SourceSKILL.md
103- PID file: `${CHROME_DEVTOOLS_MCP_STATE_DIR:-/tmp/chrome-devtools-mcp-singleton}/pid`
high line 104

Template literal with variable interpolation in command context

SourceSKILL.md
104- Log file: `${CHROME_DEVTOOLS_MCP_STATE_DIR:-/tmp/chrome-devtools-mcp-singleton}/server.log`
medium line 12

Access to hidden dotfiles in home directory

SourceSKILL.md
12- `scripts/run_chrome_devtools_mcp.sh` (relative to this skill folder, e.g. `~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh`)
low line 18

Access to hidden dotfiles in home directory

SourceSKILL.md
18~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh status
low line 24

Access to hidden dotfiles in home directory

SourceSKILL.md
24~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh start -- --headless --isolated
low line 30

Access to hidden dotfiles in home directory

SourceSKILL.md
30~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh run -- --headless --isolated
low line 36

Access to hidden dotfiles in home directory

SourceSKILL.md
36~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh stop
low line 42

Access to hidden dotfiles in home directory

SourceSKILL.md
42~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh dedupe
low line 50

Access to hidden dotfiles in home directory

SourceSKILL.md
50~/.codex/skills/chrome-devtools-mcp-singleton/scripts/mcp-smoke.sh
low line 56

Access to hidden dotfiles in home directory

SourceSKILL.md
56cd ~/.codex/skills/chrome-devtools-mcp-singleton/scripts/mcp-client
low line 69

Access to hidden dotfiles in home directory

SourceSKILL.md
69~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh start -- --headless --isolated --executablePath "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
low line 72

Access to hidden dotfiles in home directory

SourceSKILL.md
72~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh start -- --browserUrl http://127.0.0.1:9222
low line 75

Access to hidden dotfiles in home directory

SourceSKILL.md
75~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh start -- --channel stable
low line 72

External URL reference

SourceSKILL.md
72~/.codex/skills/chrome-devtools-mcp-singleton/scripts/run_chrome_devtools_mcp.sh start -- --browserUrl http://127.0.0.1:9222
Scanned on Feb 9, 2026
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