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Next we’re going to create a new agent using Claude Code. Because code, data, and logs live in one place, coding agents can manage the platform end to end. The codebase ships eight skills for setup, development, evals, review, and deployment. Run /create-agent.

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Run the skill

Open Claude Code (or your favorite coding agent) in your agent-platform directory and run:
Claude gathers any missing details, then builds your agent. Once the spec is complete, Claude generates agents/<slug>.py, registers it in app/main.py, adds a description and three quick prompts to app/config.yaml, restarts the container, and smoke-tests it live.

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Test your agents on the AgentOS UI

Open os.agno.com, select your new agent in the sidebar, and try a few prompts:
  • The golden path. What you built the agent for.
  • Edge cases. Unusual inputs, ambiguous questions, partial information.
  • Adversarial inputs. Prompt injection, out-of-scope requests, attempts to make it do something it shouldn’t.

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Do it manually

The /create-agent skill automates the agent creation process. To do it manually:
  • Create a file in agents/<slug>.py.
  • Register the agent in app/main.py.
  • Add its description and three quick prompts under manifest.<id> in app/config.yaml.
The agent file skeleton and the app/main.py registration are in Railway Reference, under “Add an agent”.

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Next

Improve the agent →