TC-2026-0112 · SKILLSSH · SKILL

[email protected]

Verified clean instructional skill from vercel-labs/agent-skills. Pure Markdown design guidelines with zero shell execution, zero credential prompts, and zero external script fetches.

Primary advisory (threat.cafe Baseline Audit) Back to all 66 records

Signed ledger verdict

TC-2026-0112

No known bad (exit 0) skillssh:vercel-labs/agent-skills/web-design-guidelines

IOC & scope: skillssh:vercel-labs/agent-skills/web-design-guidelines. Verified by human review and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder: threat.cafe Baseline Audit ↗
Recorded timestamp: 2026-10-25
Canonical SHA-256: aef41ef857d34338…
Local hook action: Proceed & log (exit 0)

Run live in Counter Workbench

Signed in /feed.json (.sig).

01 8-Vector Capability X-Ray (ABOM) & OWASP Agentic Crosswalk

Deterministic capability profile and taxonomy mapping.

Every artifact in the threat.cafe ledger is profiled across eight execution vectors and mapped to the OWASP Top 10 for Agentic Applications (ASI01-ASI10) and Agentic Skills & Tools (AST01-AST10).

8-Vector Capability X-Ray (ABOM)

1. Filesystem
Sensitive paths touched: None observed
2. Environment
Variables harvested: None observed
3. Network
Outbound egress domains: None observed
4. Subprocess
Process execution primitives: None observed
5. Lifecycle
Install / startup hooks: None observed
6. OAuth / MCP
Declared scopes: None observed
7. Obfuscation
Encoding / steganography: None observed
8. Provenance
Attestation status: verified_first_party_repo_pass_all_3_scanners

Governance & detector mapping

OWASP Agentic ASI (2026): None triggered (baseline control)
OWASP Agentic AST (2026): None triggered (baseline control)
Deterministic rules matched: Clean baseline control (0 static rules triggered)

Version scoping & related records

No other versions of this package are currently listed on the board. Unlisted versions evaluate to unknown under local policy.yml.

Local CLI verification

$ threat-cafe-hook check "skillssh:vercel-labs/agent-skills/web-design-guidelines"
[threat.cafe] no_known_bad: skillssh:vercel-labs/agent-skills/web-design-guidelines (TC-2026-0112)
  Reason: Verified clean instructional skill from vercel-labs/agent-skills. Pure Markdown design gui
  Source: https://www.skills.sh/audits (credited to threat.cafe Baseline Audit)

OSV v1.6.0 machine-readable record

Included in /feed.json under CC-BY 4.0 license and verified by /feed.json.sig.

{
  "schema_version": "1.6.0",
  "id": "TC-2026-0112",
  "modified": "2026-10-25T07:10:00Z",
  "published": "2026-10-25T07:10:00Z",
  "summary": "Verified clean instructional skill from vercel-labs/agent-skills. Pure Markdown design guidelines with zero shell execution, zero credential prompts, and zero external script fetches.",
  "affected": [
    {
      "package": {
        "ecosystem": "skillssh",
        "name": "vercel-labs/agent-skills/web-design-guidelines"
      },
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "credits": [
    {
      "name": "threat.cafe Baseline Audit",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.skills.sh/audits"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0112/"
    }
  ],
  "database_specific": {
    "target": "skillssh:vercel-labs/agent-skills/web-design-guidelines",
    "kind": "skill",
    "verdict": "no_known_bad",
    "ioc": "skillssh:vercel-labs/agent-skills/web-design-guidelines",
    "artifact_sha256": "aef41ef857d343389667d5d641c1a86294a780d8a84b7d8ca456dc5c7e2b5940",
    "owasp_asi": [],
    "owasp_ast": [],
    "rules_matched": [],
    "abom": {
      "fs_sensitive": [],
      "env_harvest": [],
      "net_egress": [],
      "proc_exec": [],
      "install_hooks": [],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "verified_first_party_repo_pass_all_3_scanners"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:d9875acb5d137bc84aa09a4e30db64f0a642af3a2db1b26d23c49caaa0e27c78",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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