roast-my-design-system@10.2.1
CAUTIONPublisher claims: "Your AI can write the UI. This makes sure it writes your UI. A deterministic scanner scores your design system 0-100 against 119 public repos, reads React and web components (Stencil, Lit), hands you a copy-paste fix prompt for each top finding, writes ru" Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Registry npm (MCP server)Publisher gregkozakiewicz · joined 0 days agoInstalls 12,915Last detonated 2 h ago
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-26 and scored it 63/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Instructs the agent to modify its persistent memory or instruction files; References a credential file in the home directory; npx invocation of non-well-known package. Summary: no network, touches nothing outside the project, writes no memory.
Behavior trace
Honeypot run · 1 s · 2 scenarios · 0 deviationst+CategoryObserved action
0.0sprocessno install scripts in bundle
0.5sprocessexec /usr/bin/timeout
0.5sprocessexec /app/apps/web/node_modules/.bin/xdg-open
0.5sprocessexec /root/.cache/node/corepack/v1/pnpm/10.28.0/dist/node-gyp-bin/xdg-open
0.5sprocessexec /app/node_modules/.bin/xdg-open
0.5sprocessexec /pnpm/xdg-open
0.5sprocessexec /usr/local/sbin/xdg-open
0.5sprocessexec /usr/local/bin/xdg-open
0.5sprocessexec /usr/sbin/xdg-open
0.5sprocessexec /usr/bin/xdg-open
0.5sprocessexec /sbin/xdg-open
0.5sprocessexec /bin/xdg-open
0.5sclaimedno tools/list reply (exit 0)
0.5sprocessscript backend runs setup only
Static findings
HIGH
Instructs the agent to modify its persistent memory or instruction filesREADME.md:361 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01HIGH
References a credential file in the home directoryskills/roast-my-design-system/scripts/harvest/walk.mjs:145 · References a credential file in the home directoryFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST03HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/harvest/summary.mjs:2 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/lib/feedback.mjs:2 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packagecli/roast.mjs:8 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packagecli/roast.mjs:64 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/harvest/index.mjs:374 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/diagnose/index.mjs:2459 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/card/index.mjs:78 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageREADME.md:14 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packagecli/roast.mjs:3 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packagecli/roast.mjs:117 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageREADME.md:300 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
Access to sensitive file pathsskills/roast-my-design-system/scripts/harvest/walk.mjs:145 · 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.
AST05HIGH
npx invocation of non-well-known packageREADME.md:137 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/diagnose/index.mjs:2561 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
Instructs the agent to modify its persistent memory or instruction filesskills/roast-my-design-system/scripts/diagnose/index.mjs:1584 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01HIGH
npx invocation of non-well-known packageREADME.md:287 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageREADME.md:262 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/harvest/index.mjs:379 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06MEDIUM
File type combined with upload actionskills/roast-my-design-system/scripts/card/index.mjs:84 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07MEDIUM
Excessive HTML entities detectedREADME.md:210 · Excessive HTML entities detected — may be obfuscating contentFix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/rules/build.mjs:261 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/mcp/tools.mjs:131 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
Instructs the agent to modify its persistent memory or instruction filesskills/roast-my-design-system/scripts/rules/build.mjs:40 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/rules/build.mjs:38 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06MEDIUM
File type combined with upload actioncli/roast.mjs:143 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07MEDIUM
Excessive HTML entities detectedREADME.md:193 · Excessive HTML entities detected — may be obfuscating contentFix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07MEDIUM
File type combined with upload actionskills/roast-my-design-system/scripts/sarif/index.mjs:96 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/lib/fixprompt.mjs:68 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/rules/apply.mjs:4 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/rules/build.mjs:298 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06HIGH
npx invocation of non-well-known packageskills/roast-my-design-system/scripts/rules/build.mjs:285 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.
AST06What would make this Verified
17 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%- Unclaimed publisher≈ +8 on the totalClaim gregkozakiewicz: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
- Does not do what the description says≈ +5 on the totalIn the sandbox the skill never performed the task it claims (no call to the service it is for). Make sure the happy path runs without extra setup, or describe the real behavior.
- References a credential file in the home directory≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
- npx invocation of non-well-known package≈ +4 on the totalPin versions and sources; vendor anything fetched at install time.
- Access to sensitive file paths≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
- File type combined with upload action≈ +2 on the totalRemove the call, or declare the host in frontmatter and explain in the README what is sent and why.
Publish a new version to npm, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim gregkozakiewicz