Skills API Client

What: New API client for managing Claude skills through the beta API.

How to use:

// Skills are managed through the beta client
const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY });

// Create a skill
await client.beta.skills.create({
  name: "my-skill",
  // ... skill configuration
}, { betas: ["skills-2025-10-02"] });

// Create a skill version
await client.beta.skills.versions.create(skillId, {
  // ... version configuration
}, { betas: ["skills-2025-10-02"] });

// List, retrieve, delete skills and versions
await client.beta.skills.list();
await client.beta.skills.retrieve(skillId);
await client.beta.skills.delete(skillId);

Details:

• Requires skills-2025-10-02 beta header
• Full CRUD operations for skills and skill versions
• Accessed via client.beta.skills property
• API endpoints: /v1/skills and /v1/skills/{id}/versions
• Evidence: Class BFA at line 146202, class Q2A at line 146272, beta client integration at line 146346 in pretty-v2.0.34.js