https://kagan.ai/catalog A Fowler-style pattern catalog for agentic AI engineering: 338 patterns across 19 volumes. en https://kagan.ai/catalog/vol-01 https://kagan.ai/catalog/vol-01 Workflow & Primitives Wed, 01 Jul 2026 00:00:00 GMT Volume 01 of the Agentic AI Series — 29 patterns in Workflow & Primitives. — Augmented LLM, Prompt Chaining, Routing, Cascade / Fallback, Parallelization — Sectioning, Parallelization — Voting, Map-Reduce over Corpus, Orchestrator–Workers https://kagan.ai/catalog/vol-02 https://kagan.ai/catalog/vol-02 Workflow & Primitives Fri, 01 May 2026 00:00:00 GMT Volume 02 of the Agentic AI Series — 33 patterns in Workflow & Primitives. — skill-creator, claude-api, Document creation skills — docx / pdf / pptx / xlsx, frontend-design, mcp-builder, webapp-testing, anthropics/claude-cookbooks — reference notebooks, critical-code-reviewer https://kagan.ai/catalog/vol-03 https://kagan.ai/catalog/vol-03 Workflow & Primitives Fri, 01 May 2026 00:00:00 GMT Volume 03 of the Agentic AI Series — 37 patterns in Workflow & Primitives. — web_search, web_fetch, code_execution, bash_tool, text_editor (view / str_replace / create), computer use, memory tool, tool search https://kagan.ai/catalog/vol-04 https://kagan.ai/catalog/vol-04 Workflow & Primitives Fri, 01 May 2026 00:00:00 GMT Volume 04 of the Agentic AI Series — 23 patterns in Workflow & Primitives. — LangGraph, CrewAI Flows, LlamaIndex Workflows, AutoGen, Inngest, Temporal, Restate, Composio Agent Orchestrator https://kagan.ai/catalog/vol-05 https://kagan.ai/catalog/vol-05 Infrastructure Fri, 01 May 2026 00:00:00 GMT Volume 05 of the Agentic AI Series — 20 patterns in Infrastructure. — AWS Sample Agentic Fabric ("Arbiter"), AWS Sample Agentic Platform, Microsoft Agent Framework, Azure Agentic Fabric App Sample, E2B (Firecracker microVMs), GitHub Agentic Workflows substrate, Modal sandboxes (cross-reference), Strata Agent Fabric (Identity Orchestration) https://kagan.ai/catalog/vol-06 https://kagan.ai/catalog/vol-06 Infrastructure Fri, 01 May 2026 00:00:00 GMT Volume 06 of the Agentic AI Series — 19 patterns in Infrastructure. — LangGraph state and checkpointers (cross-reference), Redis-backed chat history, Chroma, Qdrant, Pinecone, Weaviate, Mem0, Letta (formerly MemGPT) https://kagan.ai/catalog/vol-07 https://kagan.ai/catalog/vol-07 Infrastructure Fri, 01 May 2026 00:00:00 GMT Volume 07 of the Agentic AI Series — 17 patterns in Infrastructure. — LangGraph interrupts (static and dynamic), CrewAI human_input, AutoGen human_input_mode, Temporal (Signals for HITL), AWS Step Functions wait-for-callback, LangSmith, Arize Phoenix, Langfuse https://kagan.ai/catalog/vol-08 https://kagan.ai/catalog/vol-08 Infrastructure Fri, 01 May 2026 00:00:00 GMT Volume 08 of the Agentic AI Series — 21 patterns in Infrastructure. — NVIDIA NeMo Guardrails, Guardrails AI, Guardrails Hub, Meta Llama Guard, Managed classifier guardrails (Azure, AWS, Anthropic), DeepEval, Ragas, Promptfoo https://kagan.ai/catalog/vol-09 https://kagan.ai/catalog/vol-09 Infrastructure Fri, 01 May 2026 00:00:00 GMT Volume 09 of the Agentic AI Series — 19 patterns in Infrastructure. — MCP — Model Context Protocol, MCP primitives — tools, resources, and prompts, MCP transports — stdio and Streamable HTTP, MCP sampling and roots, A2A — Agent-to-Agent Protocol, ACP — Agent Communication Protocol (AGNTCY), LangGraph (multi-agent), AutoGen / AG2 https://kagan.ai/catalog/vol-10 https://kagan.ai/catalog/vol-10 Context & Content Fri, 01 May 2026 00:00:00 GMT Volume 10 of the Agentic AI Series — 16 patterns in Context & Content. — OpenSearch, Elasticsearch, Vespa, Proprietary embedding APIs, Open-weights embedding models, Cross-encoder rerankers, ColBERT and late-interaction models, Unstructured.io https://kagan.ai/catalog/vol-11 https://kagan.ai/catalog/vol-11 Non-Functional Concerns Fri, 01 May 2026 00:00:00 GMT Volume 11 of the Agentic AI Series — 15 patterns in Non-Functional Concerns. — NIST AI Risk Management Framework, ISO/IEC 42001, EU AI Act (Regulation 2024/1689), GPAI Code of Practice, Colorado: SB 24-205 and its SB 189 replacement, NYC AEDT, California AB-2013, and other state AI laws, FDA AI/ML guidance for medical devices, Financial services Model Risk Management (SR 11-7 and successors) https://kagan.ai/catalog/vol-12 https://kagan.ai/catalog/vol-12 Non-Functional Concerns Fri, 01 May 2026 00:00:00 GMT Volume 12 of the Agentic AI Series — 13 patterns in Non-Functional Concerns. — Workload identity systems (SPIFFE/SPIRE, cloud-provider patterns), OAuth-for-agents and human-delegation flows, Policy engines for agent authorization (OPA, Cedar, SpiceDB), Secrets management adapted for AI agents (Vault, AWS Secrets Manager, Doppler), Code execution sandboxes (E2B, Modal, Daytona, Sandbox.do), Browser automation sandboxes (Browserbase, Anthropic Computer Use, Anchor Browser), MicroVM and container isolation substrates (Firecracker, gVisor, Kata Containers), Model provenance and signing (Sigstore, Hugging Face security) https://kagan.ai/catalog/vol-13 https://kagan.ai/catalog/vol-13 UX & Products Fri, 01 May 2026 00:00:00 GMT Volume 13 of the Agentic AI Series — 16 patterns in UX & Products. — Token streaming UX, Intermediate state display (thinking, tool use, retrieval), Anthropic Artifacts, OpenAI Canvas, Vercel AI SDK generative UI, Pre-action approval patterns, Undo-first design, Citation patterns for AI responses https://kagan.ai/catalog/vol-14 https://kagan.ai/catalog/vol-14 UX & Products Fri, 01 May 2026 00:00:00 GMT Volume 14 of the Agentic AI Series — 15 patterns in UX & Products. — Foundation model providers, Provider-native agent offerings, Claude Code, Cursor, Windsurf, GitHub Copilot — the supervised pair-programming tier, Devin, OpenAI Codex, Replit Agent — the autonomous async tier, Open-source coding agents (Aider, Cline, Continue, OpenCode), LangChain and LangGraph, OpenAI Agents SDK and Anthropic Agent SDK, AutoGen, CrewAI, PydanticAI, Vercel AI SDK — the alternatives https://kagan.ai/catalog/vol-15 https://kagan.ai/catalog/vol-15 Context & Content Fri, 01 May 2026 00:00:00 GMT Volume 15 of the Agentic AI Series — 13 patterns in Context & Content. — System prompt design patterns, Few-shot and N-shot prompting patterns, Chain-of-thought and reasoning patterns, Context selection and ordering at production scale, Context compression patterns, Structured output prompting and vendor features, Sampling parameters — temperature, top-p, and top-k, Prefilling the assistant turn https://kagan.ai/catalog/vol-16 https://kagan.ai/catalog/vol-16 Non-Functional Concerns Fri, 01 May 2026 00:00:00 GMT Volume 16 of the Agentic AI Series — 9 patterns in Non-Functional Concerns. — Per-task model selection patterns, Prompt caching across providers (Anthropic, OpenAI, Google), Multi-model routing for cost, Latency engineering patterns for agent deployments, Multi-model orchestration patterns, Fine-tuning techniques and when to use each, Self-hosting vs. API economics, Model versioning and migration patterns https://kagan.ai/catalog/vol-17 https://kagan.ai/catalog/vol-17 Non-Functional Concerns Fri, 01 May 2026 00:00:00 GMT Volume 17 of the Agentic AI Series — 8 patterns in Non-Functional Concerns. — TCO modeling for AI deployments, Procurement strategy patterns for foundation model providers, Build-vs-buy decision framework for AI stack layers, Modeling the latency-cost-quality frontier, Performance benchmarking methodology for AI procurement, FinOps for AI — the organizational practice, Capacity planning patterns for AI workloads, Tracking AI economics and FinOps discipline https://kagan.ai/catalog/vol-18 https://kagan.ai/catalog/vol-18 Workflow & Primitives Wed, 01 Jul 2026 00:00:00 GMT Volume 18 of the Agentic AI Series — 10 patterns in Workflow & Primitives. — CLAUDE.md and the memory hierarchy, Writing effective CLAUDE.md instructions, Bootstrapping with /init, Custom slash commands, Project subagents, The permission model, Lifecycle hooks, Plan mode and approval workflows https://kagan.ai/catalog/vol-19 https://kagan.ai/catalog/vol-19 Workflow & Primitives Wed, 01 Jul 2026 00:00:00 GMT Volume 19 of the Agentic AI Series — 5 patterns in Workflow & Primitives. — Turn-Based Loop, Goal-Gated Loop, Interval Loop, Proactive / Scheduled Loop, Loop Composition