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A guide to building a working reasoning model from the ground up, by Sebastian Raschka.

A book about building AI agents with tools, memory, planning, and multi-agent systems.

A book about implementing DeepSeek-style LLM architecture, training, and distillation methods.

A curated list of AI market maps from 2026, 2025, and 2024, by [Joy Larkin](https://twitter.com/joy).

Cost-aware model routing for LangChain agents based on task phase

AI agent skills and subagents for Polygraph multi-repo coordination

CLI to scaffold and deploy autonomous AI agents on the Relay network

SyncMind Agent Server - Claude Agent SDK wrapper with JWT auth and HTTP callback

A lightweight framework for building and running AI multi-agent workflows with a terminal UI

MMG: Mosaic Multi-Grid A research-grade multi-agent gridworld environments for reproducible RL experiments

Agentic Test Data Harness: memory, multi-agent swarms, permission gates, coverage analysis. Provider-agnostic (Gemini, OpenAI, Anthropic, Ollama).

Browser automation CLI for AI agents

Browser automation primitives library for AI agents

Browser automation CLI for AI agents with state mapping

Divami Claude Code skills and agent toolkit

Motus Agent Framework

Python SDK for the Agent Trust Protocol — verifiable identity, cryptographic receipts, and reputation scoring for AI agents

Alias for ciris-agent - CIRIS Ethical AI Agent

Python SDK for the Sonzai Mind Layer API

Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode