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Agent skills are installable SKILL.md guides (plus optional references) for coding agents in Cursor, Claude Code, and similar clients. Cartesia’s official pack is cartesia-ai/skills, and Claude Code can install the same pack as the cartesia-skills plugin. Not using skills? Paste this prompt into your editor rules instead:

Cartesia integration rules for coding agents

Open in Cursor

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Before you start

  • API / app work: A Cartesia API key from play.cartesia.ai/keys.
  • Cartesia Line: Same Cartesia key plus an LLM provider key; the Line quickstart walks through setup and cartesia deploy.

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Install

Use the Agent Skills installer when your coding agent supports the SKILL.md convention directly.
1

Install the skill pack

npx skills add cartesia-ai/skills
2

Choose skills

Select cartesia-api and/or line-voice-agent when prompted. You can add both.

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Which skill?

ChooseWhen
cartesia-apiYou call REST or WebSocket APIs (Sonic, Ink, voices), use the Python or JS/TS SDKs, or wire optional MCP in the IDE.
line-voice-agentYou build Cartesia Line agents: cartesia CLI, VoiceAgentApp, telephony, tools, and handoffs.