Skill

developing-genkit-python

Develops AI-powered applications using Genkit in Python, including agents, flows, tools, setup, examples, FastAPI integration, and error troubleshooting.

Python

Fastapi

ai-ml

npx claudepluginhub firebase/agent-skills --plugin firebase

Tool Access

This skill uses the workspace's default tool permissions.

Preview

- **Runtime**: Python **3.14+**, **`uv`** for deps ([install](https://docs.astral.sh/uv/getting-started/installation/)).

Supporting Assets

references/common-errors.mdreferences/dev-workflow.mdreferences/dotprompt.mdreferences/evals.mdreferences/examples.mdreferences/fastapi.mdreferences/setup.md

SKILL.md

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Stats

Stars249

Forks40

Last CommitApr 23, 2026

Actions

View Source View Plugin View on GitHub View README

Genkit Python

Prerequisites

Runtime: Python 3.14+, uv for deps (install).
CLI: genkit --version — install via npm install -g genkit-cli if missing.

New projects: Setup (bootstrap + env). Patterns and code samples: Examples.

Hello World

from genkit import Genkit
from genkit.plugins.google_genai import GoogleAI

ai = Genkit(
    plugins=[GoogleAI()],
    model='googleai/gemini-flash-latest',
)

async def main():
    response = await ai.generate(prompt='Tell me a joke about Python.')
    print(response.text)

if __name__ == '__main__':
    ai.run_main(main())

Critical: Do Not Trust Internal Knowledge

The Python SDK changes often — verify imports and APIs against the references here or upstream docs. On any error, read Common Errors first.

Development Workflow

Default provider: Google AI (GoogleAI()), GEMINI_API_KEY in the environment.
Model IDs: always prefixed, e.g. googleai/gemini-flash-latest (always-on-latest Flash alias; same pattern as other skills).
Entrypoint: ai.run_main(main()) for Genkit-driven apps (not asyncio.run() for long-lived servers started with genkit start — see Common Errors).
After generating code, follow Dev Workflow for genkit start and the Dev UI.
On errors: step 1 is always Common Errors.

References

Examples: Structured output, streaming, flows, tools, embeddings.
Setup: New project bootstrap and plugins.
Common Errors: Read first when something breaks.
FastAPI: HTTP, genkit_fastapi_handler, parallel flows.
Dotprompt: .prompt files and helpers.
Evals: Evaluators and datasets.
Dev Workflow: genkit start, Dev UI, checklist.