Agent Playbook
While building with AI agents, I kept running into the same problem: testing even tiny changes to a prompt or tool required either running my entire app or writing throwaway scripts. Both were slow and constantly broke my flow. I’ve always loved how Storybook lets you work on UI components in isolation, so I tried applying the same idea to agents. Agent Playbook is an open-source, Storybook-like playground for developing and debugging AI agents. It automatically discovers your agents, spins up a local web UI, and gives you an interactive environment to test them. You can chat with an agent,…
Agent Playbook launched on November 15, 2025 with 5 votes, #4,178 of 9,796 launches that month.
What it does
Storybook for AI Agents - Interactive development tool for pydantic-ai agents
Storybook for AI Agents — An interactive development tool for pydantic-ai agents. Agent Playbook provides an isolated, interactive testing environment for your pydantic-ai agents. With a beautiful web playground, you get real-time visibility into agent thinking, tool executions, and streaming responses—enabling rapid iteration and debugging. # Install pip install agent-playbook # Create your agent file with __scenarios.py # (See "Getting Started" for details) # Run the playground playbook your_package Open http://localhost:8765 and start testing yourfrom orlevii.github.io
In the maker’s words, at launch
While building with AI agents, I kept running into the same problem: testing even tiny changes to a prompt or tool required either running my entire app or writing throwaway scripts. Both were slow and constantly broke my flow. I’ve always loved how Storybook lets you work on UI components in isolation, so I tried…
Does a similar job
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