Skills/npm/firebase-mcp-server

firebase-mcp-server@1.3.0

VERIFIED

Publisher claims: "MCP Server for Google Firebase (Auth, Firestore & Storage) with dynamic credential loading" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher koblers · joined 0 days agoInstalls 549Last detonated 2 h ago
$claude mcp add firebase-mcp-server -- npx -y firebase-mcp-server
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-05 and scored it 88/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 1 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
1.1sprocessdependency install exit 1
1.2sprocessexec /usr/bin/date
1.2sprocessexec /usr/bin/timeout
1.2sclaimedno tools/list reply (exit 0)
1.2sprocessscript backend runs setup only

Static findings

LOW
Authorization escalation languageREADME.md:342 · Authorization escalation language · informational: not an instruction fileFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01

No other findings across 2,775 lines in 21 files.

Cost to the agent

Instructions loaded
≈62 tok
1 file · 21 in bundle
Tool list per prompt
≈0 tok
0 tools · 0 per tool
Handshake
no reply
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 0

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

Not checked against OSV yet; the weekly check has not reached this version.