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pydantic-ai¶
Definition¶
pydantic-ai is a Python agent framework (from the Pydantic team) for building LLM applications with typed tool-calling and agent loops. Zalando used it to build the custom CLI tool that complements its LLM proxy. (Source: sources/2026-08-13-zalando-agentic-engineering-at-zalando-a-snapshot)
Seen in¶
- Zalando — the CLI was "custom-built using pydantic-ai," incepted at an Aug 2024 hackathon before coding agents existed, initially for terminal model access in maintenance scripts. It later grew agent mode with MCP support, an http↔stdio MCP proxy, and a coding-agent configuration installer. Zalando also runs a monthly training on "building agents with pydantic-ai" to teach tool-calling and agent-loop fundamentals.