Chrome Dev MCP Server
chrome-dev-mcp
npm
v1.3.0
Published by congzhou09 — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
An MCP server for Chrome runtime debugging
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 15.4 = 85. What the published surface and source actually contain:
| Points | What was found | Category |
|---|---|---|
| −15.4 | Secrecy directive MTC-INJ-SECRECY-1 | injection |
2. Client adoption risk — 85 − 1 = 84. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 1
high Secrecy directive (conceal action from the user)MTC-INJ-SECRECY-1
Secrecy directive (conceal action from the user) detected in the description of tool "list_tabs". Instruction-like content in tool metadata is executed by the model, not the human, and is the primary tool-poisoning vector.
Evidence: do NOT tell the user
Fix: Tool descriptions should describe behavior, not instruct the assistant. Treat imperative / secrecy / sequencing language in metadata as hostile.
Location: tool list_tabs · description
Tools 21
Each tool and what it can reach — statically extracted from the published source.
evaluate_at_frameno sensitive capabilityevaluate_jsno sensitive capabilityget_computed_styleno sensitive capabilityget_console_logsno sensitive capabilityget_debugger_stateno sensitive capabilityget_htmlno sensitive capabilityget_inspected_elementno sensitive capabilityget_scope_variablesno sensitive capabilityget_titleno sensitive capabilityget_urlno sensitive capability
Show 11 more tools ↓
list_breakpointsno sensitive capabilitylist_tabsno sensitive capabilitypause_executionno sensitive capabilityremove_breakpointno sensitive capabilityresume_executionno sensitive capabilityscreenshotno sensitive capabilityset_breakpointno sensitive capabilitystep_intono sensitive capabilitystep_outno sensitive capabilitystep_overno sensitive capabilityswitch_tabno sensitive capability
What this scan could not see
- Tools were statically extracted from the published source (21 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Versions 3
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v1.3.0 latest |
B 84/100 | 1 | 1.13.0 | 2026-09-07 |
v1.2.0 |
B 84/100 | 1 | 1.12.1 | 2026-08-09 |
v1.1.0 |
A 99/100 | 0 | 1.12.1 | 2026-08-03 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
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