Skills/npm/brand-mcp

brand-mcp@0.81.0

VERIFIED

Publisher claims: "MCP (Model Context Protocol) server that helps AI agents use Primer Brand (@primer/react-brand) correctly when building GitHub marketing and landing pages." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher primer · joined 10 days agoInstalls 4,835Last detonated 2 h ago
$claude mcp add brand-mcp -- npx -y @primer/brand-mcp
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-11-06 and scored it 86/100 (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 · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only

Static findings

LOW
Instructs the agent to modify its persistent memory or instruction filesdist/brand/update-agents-md/update-agents-md.d.ts:6 · Instructs the agent to modify its persistent memory or instruction files · informational: not an instruction fileFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01
HIGH
Access to sensitive file pathsdist/brand/docs-source/docs-source.js:9 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
LOW
Instructs the agent to modify its persistent memory or instruction filesdist/tools/primer-brand-setup/primer-brand-setup.js:158 · Instructs the agent to modify its persistent memory or instruction files · informational: not an instruction fileFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01
LOW
Instructs the agent to modify its persistent memory or instruction filesdist/brand/update-agents-md/update-agents-md.js:3 · Instructs the agent to modify its persistent memory or instruction files · informational: not an instruction fileFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01

Cost to the agent

Instructions loaded
≈66 tok
1 file · 73 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

No advisories in OSV for @primer/brand-mcp@0.81.0 as of 1 h ago. This is the package itself, not its dependencies.