Build agents from skills you can trust
About Asterism
Assemble a security-screened agent from a trusted pack — or install individual skills — into Claude Code, Cursor, Codex and 35+ agents, with one command. Not just coding — skills span marketing, writing, health, legal, education, and more.
Our Mission
Every AI agent is learning the same skills in isolation. Cursor users teach their AI to format JSON. Claude Code users do the same. Windsurf users too. Millions of conversations, all solving the same problems separately. We built Asterism so skills can be authored with proper tooling, tested with real evals, security-scanned, and shared across every AI agent.
What We Do
Authoring Studio
A complete pipeline to create, test, evaluate, and publish skills. 11 templates, VS Code extension, web editor, eval framework, and AI description optimizer.
Security Scanning
Every skill is automatically scanned with 31 security patterns before publishing. Scored 0-100, with unsafe skills rejected.
Team Governance
Enterprise teams can control which skills are used with policies, approval workflows, audit trails, and SSO.
Our Values
Universal
One skill should work across every AI agent. We support 35+ agents and counting — not just coding, but marketing, writing, health, legal, and more.
Secure by Default
Every skill is scanned automatically. No opt-in. No exceptions. Security is not a premium feature.
Open
The CLI, MCP server, and scanner are open source. Free tier with no artificial limits on core functionality.
Complete Tooling
Templates, testing, evals, AI optimization, security gates — everything you need to author quality skills, all from the CLI.
1,400+
Skills
35+
AI Agents Supported
31
Security Patterns
100%
Skills Scanned
The Team
Asterism is built by a small team passionate about making AI more capable and accessible for everyone.
Open Source
The Asterism CLI, MCP server, and security scanner are open source. We believe in transparency and community collaboration.
View on GitHubGet Started
Install the CLI and add your first skill in under a minute.