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Agent Patterns Catalog

A Pattern Language for Agentic Systems — a GoF-formal catalog of agentic patterns and agentic AI design patterns. 565 agent design patterns (also known as agentic design patterns, LLM agent design patterns, or agentic AI patterns) for building LLM agents across 14 books, with 253 mapped compositions (frameworks + recipes), 54 engineering methodologies, 90 training (enablement) patterns, and 10 curated framework pages. Each pattern is decomposed in the manner of Christopher Alexander (1977) and t

For agents: Catalog of 565 agentic AI design patterns for LLM agents, with framework mappings, compositions, methodologies and training patterns, organized as Alexander-sty

agentic patternsagent design patternsllm agentsagent frameworksagentic aidesign patterns

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-24T02:25:27.227Z. Cached copy · Source on agentpatternscatalog.org

# Agent Patterns Catalog

> A Pattern Language for Agentic Systems — a GoF-formal catalog of agentic patterns and agentic AI design patterns. 565 agent design patterns (also known as agentic design patterns, LLM agent design patterns, or agentic AI patterns) for building LLM agents across 14 books, with 253 mapped compositions (frameworks + recipes), 54 engineering methodologies, 90 training (enablement) patterns, and 10 curated framework pages. Each pattern is decomposed in the manner of Christopher Alexander (1977) and the Gang of Four (1994): context, problem, forces, therefore, solution, consequences, constrains, related. Licensed CC BY 4.0 — free to ingest, quote, and reason over with attribution.

Catalog version: unversioned. Last updated: see /patterns.json.

## Start here

- [Cover / contents](https://www.agentpatternscatalog.org/): The home page, with the language laid out as a book.
- [All patterns](https://www.agentpatternscatalog.org/patterns/): The full index of every pattern in the catalog, grouped by book.
- [Books](https://www.agentpatternscatalog.org/books/): Patterns grouped into Alexander-style books by theme.
- [Frameworks](https://www.agentpatternscatalog.org/frameworks/): Curated agent frameworks mapped to the patterns they natively support.
- [Compositions](https://www.agentpatternscatalog.org/compositions/): Upstream frameworks and recipes that map to the patterns they instantiate.
- [Methodologies](https://www.agentpatternscatalog.org/methodologies/): Step-by-step engineering methods (construction, evaluation, deployment, …) that compose the patterns into a build process.
- [Trainings](https://www.agentpatternscatalog.org/trainings/): Enablement patterns for upskilling a learner (human or autonomous agent) through experience, located along the Craft Path (foundation → operator → … → principal).
- [Compose](https://www.agentpatternscatalog.org/compose/): Assemble an agent from a curated recipe or framework starter.

## Wire it into your agent (MCP)

Live tools over a hosted Model Context Protocol (MCP) server. Point any MCP-capable client — Claude Code, Claude Desktop, Cursor, VS Code + Copilot, Codex, Cline, or any client that speaks MCP — at the endpoint below to call the catalog as live tools (search patterns, fetch a pattern by slug, list compositions, methodologies, trainings). Clients that don't speak MCP (ChatGPT, Claude.ai web, Gemini) can use the drop-in system prompt on /use/ instead.

- MCP endpoint: https://mcp.agentpatternscatalog.org/mcp
- Per-client setup (Claude Code, Cursor, VS Code, Codex, Cline, generic): https://www.agentpatternscatalog.org/use/

## Topic landings

Curated entry points, one per high-intent query. Each has its own h1, canonical URL, JSON-LD (CollectionPage + ItemList), and a distinct pattern selection — open the one that matches your framing.

- [Agentic Patterns](https://www.agentpatternscatalog.org/agentic-patterns/) — the pattern language for self-directed AI systems.
- [Agentic Desi
…

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