# Fuenfgeld

> Open-source publisher. Listings imported from github.com/Fuenfgeld — credited to the original author with their license.

- **Listings:** 2
- **Total installs:** 0
- **Profile:** https://agentstack.voostack.com/s/fuenfgeld
- **Website:** https://github.com/Fuenfgeld

## Published listings

- [Pydantic Ai Agents](https://agentstack.voostack.com/l/skill-fuenfgeld-pydantic-ai-skills-pydantic-ai-agents) — Skill · Free · security-reviewed — `agentstack add skill-fuenfgeld-pydantic-ai-skills-pydantic-ai-agents`
  Build and debug Pydantic AI agents using best practices for dependencies, dynamic system prompts, tools, and structured output validation. Use when the user wants to: (1) Create a new Pydantic AI agent, (2) Debug or fix an existing agent, (3) Add features like tools, validators, or dynamic prompts, (4) Integrate OpenRouter for multi-model access, (5) Add Logfire for debugging/observability, (6) S…
- [Pydantic Evals](https://agentstack.voostack.com/l/skill-fuenfgeld-pydantic-ai-skills-pydantic-evals) — Skill · Free · security-reviewed — `agentstack add skill-fuenfgeld-pydantic-ai-skills-pydantic-evals`
  Test and evaluate AI agents and LLM outputs using code-first evaluation framework with strong typing. Use when the user wants to: (1) Create evaluation datasets with test cases for AI agents, (2) Define evaluators (deterministic, LLM-as-Judge, custom, or span-based), (3) Run evaluations and generate reports, (4) Compare model performance across experiments, (5) Integrate evaluations with Pydantic…

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Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add <slug>`.