# 🧰 Supported Frameworks, Platforms & Models

A curated reference of every framework, platform, and model referenced throughout the Skills Tree. Entries are kept current as of **April 2026**.

> 💡 To add a new entry, see [CONTRIBUTING.md](../CONTRIBUTING.md#how-to-add-a-framework-or-model).

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## 🤖 Agent Frameworks

| Framework | Language | Specialty | Skills Coverage | Link |
|---|---|---|---|---|
| **LangChain** | Python / JS | Tool-use, RAG, chains | [Tool Use](../skills/07-tool-use/), [Memory](../skills/03-memory/) | [langchain.com](https://langchain.com) |
| **LangGraph** | Python | Graph-based multi-agent orchestration | [Orchestration](../skills/15-orchestration/), [Agentic Patterns](../skills/09-agentic-patterns/) | [langchain.com/langgraph](https://langchain.com/langgraph) |
| **LlamaIndex** | Python / JS | RAG pipelines, document agents, data connectors | [Memory](../skills/03-memory/), [Data](../skills/12-data/), [Agentic Patterns](../skills/09-agentic-patterns/) | [llamaindex.ai](https://llamaindex.ai) |
| **AutoGen** | Python | Multi-agent conversation & debate | [Orchestration](../skills/15-orchestration/), [Communication](../skills/06-communication/) | [microsoft.github.io/autogen](https://microsoft.github.io/autogen) |
| **CrewAI** | Python | Role-based agent crews | [Orchestration](../skills/15-orchestration/), [Domain-Specific](../skills/16-domain-specific/) | [crewai.com](https://crewai.com) |
| **OpenAI Agents SDK** | Python / JS | Native OpenAI agent SDK with handoffs & guardrails | [Tool Use](../skills/07-tool-use/), [Orchestration](../skills/15-orchestration/), [Agentic Patterns](../skills/09-agentic-patterns/) | [openai.github.io/openai-agents-python](https://openai.github.io/openai-agents-python) |
| **Semantic Kernel** | Python / C# / Java | Enterprise LLM SDK, plugins | [Tool Use](../skills/07-tool-use/), [Memory](../skills/03-memory/) | [learn.microsoft.com](https://learn.microsoft.com/semantic-kernel) |
| **Mastra** | TypeScript | TypeScript-first agent & workflow framework | [Orchestration](../skills/15-orchestration/), [Tool Use](../skills/07-tool-use/), [Code](../skills/05-code/) | [mastra.ai](https://mastra.ai) |
| **Haystack** | Python | NLP pipelines, document RAG | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [haystack.deepset.ai](https://haystack.deepset.ai) |
| **PromptFlow** | Python | Visual LLM pipeline builder (Azure) | [Orchestration](../skills/15-orchestration/), [Reasoning](../skills/02-reasoning/), [Tool Use](../skills/07-tool-use/) | [microsoft.com/promptflow](https://microsoft.com/en-us/research/project/prompt-flow/) |
| **Rasa** | Python | Conversational AI, on-premise NLU & dialogue | [Communication](../skills/06-communication/), [Domain-Specific](../skills/16-domain-specific/), [Memory](../skills/03-memory/) | [rasa.com](https://rasa.com) |
| **CAMEL** | Python | Role-playing autonomous agents | [Communication](../skills/06-communication/), [Agentic Patterns](../skills/09-agentic-patterns/) | [camel-ai.org](https://camel-ai.org) |
| **MetaGPT** | Python | Software company simulation | [Code](../skills/05-code/), [Orchestration](../skills/15-orchestration/) | [deepwisdom.ai](https://deepwisdom.ai) |
| **SuperAGI** | Python | Parallel autonomous agents with built-in UI | [Orchestration](../skills/15-orchestration/), [Action Execution](../skills/04-action-execution/), [Tool Use](../skills/07-tool-use/) | [superagi.com](https://superagi.com) |
| **AutoGPT** | Python | Goal-driven autonomous open-source agent | [Agentic Patterns](../skills/09-agentic-patterns/), [Action Execution](../skills/04-action-execution/), [Web](../skills/11-web/) | [agpt.co](https://agpt.co) |
| **FastAgency** | Python | High-speed production agent scaling & orchestration | [Orchestration](../skills/15-orchestration/), [Action Execution](../skills/04-action-execution/) | [fastagency.ai](https://fastagency.ai) |
| **Vellum** | Python / UI | Visual agent builder with built-in evals & versioning | [Agentic Patterns](../skills/09-agentic-patterns/), [Reasoning](../skills/02-reasoning/), [Orchestration](../skills/15-orchestration/) | [vellum.ai](https://vellum.ai) |
| **Agno** | Python | High-performance agentic framework | [Action Execution](../skills/04-action-execution/), [Tool Use](../skills/07-tool-use/) | [agno.com](https://agno.com) |
| **Pydantic AI** | Python | Type-safe agents with validation | [Code](../skills/05-code/), [Reasoning](../skills/02-reasoning/) | [ai.pydantic.dev](https://ai.pydantic.dev) |
| **DSPy** | Python | Declarative LLM pipelines, auto-optimization | [Reasoning](../skills/02-reasoning/), [Agentic Patterns](../skills/09-agentic-patterns/) | [dspy.ai](https://dspy.ai) |
| **Smolagents** | Python | HuggingFace lightweight agents | [Tool Use](../skills/07-tool-use/), [Code](../skills/05-code/) | [huggingface.co/smolagents](https://huggingface.co/docs/smolagents) |
| **OpenAI Assistants API** | Python / JS | Native OpenAI agent platform | [Tool Use](../skills/07-tool-use/), [Memory](../skills/03-memory/) | [platform.openai.com](https://platform.openai.com/docs/assistants) |
| **Vertex AI Agents** | Python | Google Cloud agent platform | [Tool Use](../skills/07-tool-use/), [Domain-Specific](../skills/16-domain-specific/) | [cloud.google.com](https://cloud.google.com/vertex-ai/generative-ai/docs/agents) |
| **Amazon Bedrock Agents** | Python | AWS managed agent platform | [Tool Use](../skills/07-tool-use/), [Memory](../skills/03-memory/) | [aws.amazon.com/bedrock](https://aws.amazon.com/bedrock/agents) |
| **Bee Agent Framework** | TypeScript | IBM open-source agents | [Tool Use](../skills/07-tool-use/), [Reasoning](../skills/02-reasoning/) | [github.com/i-am-bee](https://github.com/i-am-bee/bee-agent-framework) |
| **Mirascope** | Python | Ergonomic LLM calls & structured output | [Communication](../skills/06-communication/), [Code](../skills/05-code/) | [mirascope.com](https://mirascope.com) |

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## 🖥️ Computer Use & Browser Agents

| Framework | Description | Skills Coverage | Link |
|---|---|---|---|
| **Anthropic Computer Use** | Claude-powered GUI + OS automation | [Computer Use](../skills/10-computer-use/) | [anthropic.com](https://anthropic.com) |
| **OpenAI CUA** | GPT-4o computer-use agent | [Computer Use](../skills/10-computer-use/) | [openai.com](https://openai.com) |
| **Open Interpreter** | LLM-powered local code + shell execution | [Code](../skills/05-code/), [Action Execution](../skills/04-action-execution/) | [openinterpreter.com](https://openinterpreter.com) |
| **SWE-Agent** | Autonomous software engineering on GitHub | [Code](../skills/05-code/), [Web](../skills/11-web/) | [swe-agent.com](https://swe-agent.com) |
| **Devin** | Fully autonomous coding agent (Cognition) | [Code](../skills/05-code/), [Computer Use](../skills/10-computer-use/) | [cognition.ai](https://cognition.ai) |
| **Browser Use** | LLM-driven web browser automation | [Web](../skills/11-web/), [Computer Use](../skills/10-computer-use/) | [browser-use.com](https://browser-use.com) |
| **Playwright MCP** | Playwright browser control via MCP protocol | [Web](../skills/11-web/), [Computer Use](../skills/10-computer-use/) | [github.com/microsoft/playwright-mcp](https://github.com/microsoft/playwright-mcp) |
| **Stagehand** | AI browser automation (BrowserBase) | [Web](../skills/11-web/) | [stagehand.dev](https://stagehand.dev) |
| **Skyvern** | Visual browser agent for workflow automation | [Web](../skills/11-web/), [Computer Use](../skills/10-computer-use/) | [skyvern.com](https://skyvern.com) |
| **Multion** | Autonomous web agent for repetitive browser tasks | [Web](../skills/11-web/), [Computer Use](../skills/10-computer-use/), [Action Execution](../skills/04-action-execution/) | [multion.ai](https://multion.ai) |
| **Browserbase** | Headless browser infrastructure for AI agents | [Web](../skills/11-web/), [Computer Use](../skills/10-computer-use/) | [browserbase.com](https://browserbase.com) |

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## 🔌 Protocol & Interoperability Standards

| Standard | Description | Skills Coverage | Link |
|---|---|---|---|
| **MCP** (Model Context Protocol) | Anthropic standard for agent ↔ tool connections | [Tool Use](../skills/07-tool-use/), [Orchestration](../skills/15-orchestration/) | [modelcontextprotocol.io](https://modelcontextprotocol.io) |
| **A2A** (Agent-to-Agent) | Google protocol for inter-agent communication | [Orchestration](../skills/15-orchestration/), [Communication](../skills/06-communication/) | [google.github.io/A2A](https://google.github.io/A2A) |
| **ACP** (Agent Communication Protocol) | IBM/BeeAI open agent messaging standard | [Orchestration](../skills/15-orchestration/), [Communication](../skills/06-communication/) | [agentcommunicationprotocol.dev](https://agentcommunicationprotocol.dev) |
| **OpenAI Function Calling** | Structured JSON tool invocation standard | [Tool Use](../skills/07-tool-use/), [Agentic Patterns](../skills/09-agentic-patterns/) | [platform.openai.com](https://platform.openai.com/docs/guides/function-calling) |
| **OpenAPI / Swagger** | REST API spec used for auto-generating agent tools | [Tool Use](../skills/07-tool-use/), [Code](../skills/05-code/) | [openapi.org](https://openapi.org) |

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## 🧠 Foundation Models

| Model | Provider | Modalities | Key Strengths | Skill Highlights |
|---|---|---|---|---|
| **GPT-4o** | OpenAI | Text, Image, Audio | Flagship multimodal, fast | [Multimodal](../skills/08-multimodal/), [Tool Use](../skills/07-tool-use/) |
| **o3 / o4-mini** | OpenAI | Text, Code, Image | Deep reasoning, math | [Reasoning](../skills/02-reasoning/), [Code](../skills/05-code/) |
| **GPT-4.5** | OpenAI | Text, Image | Improved world model, creative tasks | [Creative](../skills/13-creative/), [Communication](../skills/06-communication/) |
| **Claude 3.7 Sonnet** | Anthropic | Text, Image, Computer Use | Extended thinking, computer use | [Computer Use](../skills/10-computer-use/), [Reasoning](../skills/02-reasoning/) |
| **Claude 3.5 Haiku** | Anthropic | Text, Image | Fast, cost-efficient | [Communication](../skills/06-communication/), [Action Execution](../skills/04-action-execution/) |
| **Claude 3 Opus** | Anthropic | Text, Image | Deep analysis, complex instruction | [Reasoning](../skills/02-reasoning/), [Domain-Specific](../skills/16-domain-specific/) |
| **Gemini 2.5 Pro** | Google DeepMind | Text, Image, Audio, Video | Longest context (1M tokens) | [Multimodal](../skills/08-multimodal/), [Data](../skills/12-data/) |
| **Gemini 2.0 Flash** | Google DeepMind | Text, Image, Audio | Low latency, real-time | [Action Execution](../skills/04-action-execution/), [Tool Use](../skills/07-tool-use/) |
| **Gemini 1.5 Pro** | Google DeepMind | Text, Image, Audio, Video | Long context 1M, broad capability | [Memory](../skills/03-memory/), [Multimodal](../skills/08-multimodal/) |
| **Llama 3.3 70B** | Meta | Text | Open weights, self-hostable | [Reasoning](../skills/02-reasoning/), [Code](../skills/05-code/) |
| **Llama 3.2 Vision** | Meta | Text, Image | Open multimodal | [Multimodal](../skills/08-multimodal/), [Perception](../skills/01-perception/) |
| **Llama 3.1 405B** | Meta | Text | Largest open-weights model, near-frontier | [Reasoning](../skills/02-reasoning/), [Domain-Specific](../skills/16-domain-specific/) |
| **Mistral Large 2** | Mistral AI | Text, Code | European open model, multilingual | [Code](../skills/05-code/), [Communication](../skills/06-communication/) |
| **Codestral** | Mistral AI | Code | Code-specialized | [Code](../skills/05-code/) |
| **Mistral Nemo** | Mistral AI | Text | Lightweight, fast, multilingual | [Communication](../skills/06-communication/), [Action Execution](../skills/04-action-execution/) |
| **Grok 3** | xAI | Text, Image | Real-time web data | [Web](../skills/11-web/), [Reasoning](../skills/02-reasoning/) |
| **Grok 3.5** | xAI | Text, Image | Enhanced reasoning, tool use | [Reasoning](../skills/02-reasoning/), [Tool Use](../skills/07-tool-use/) |
| **DeepSeek R1** | DeepSeek | Text, Code | Open-weights reasoning | [Reasoning](../skills/02-reasoning/), [Code](../skills/05-code/) |
| **DeepSeek V3** | DeepSeek | Text, Code | Strong coding, cost-efficient | [Code](../skills/05-code/), [Data](../skills/12-data/) |
| **Qwen 2.5 72B** | Alibaba | Text, Code, Vision | Multilingual, long context | [Communication](../skills/06-communication/), [Multimodal](../skills/08-multimodal/) |
| **Qwen2.5-Coder** | Alibaba | Code | Code-specialized open model | [Code](../skills/05-code/) |
| **Command R+** | Cohere | Text | RAG-optimized, enterprise | [Memory](../skills/03-memory/), [Domain-Specific](../skills/16-domain-specific/) |
| **Command R** | Cohere | Text | Lightweight RAG, cost-efficient | [Memory](../skills/03-memory/), [Web](../skills/11-web/) |
| **Phi-4** | Microsoft | Text, Code | Small but capable, on-device | [Reasoning](../skills/02-reasoning/), [Code](../skills/05-code/) |
| **Phi-3.5 Mini** | Microsoft | Text | Ultra-lightweight, edge deployment | [Action Execution](../skills/04-action-execution/), [Perception](../skills/01-perception/) |
| **Falcon 3** | TII UAE | Text | Arabic + multilingual | [Communication](../skills/06-communication/), [Domain-Specific](../skills/16-domain-specific/) |
| **Jamba 1.5** | AI21 Labs | Text | Hybrid SSM+Transformer, long context | [Memory](../skills/03-memory/), [Data](../skills/12-data/) |
| **Nous Hermes 3** | NousResearch | Text | Fine-tuned instruction following | [Reasoning](../skills/02-reasoning/), [Agentic Patterns](../skills/09-agentic-patterns/) |

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## 🗃️ Vector Stores & Memory Backends

| Store | Type | Skills Coverage | Link |
|---|---|---|---|
| **Pinecone** | Managed vector DB | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [pinecone.io](https://pinecone.io) |
| **Weaviate** | Open-source vector DB | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [weaviate.io](https://weaviate.io) |
| **Milvus / Zilliz** | High-performance open-source vector DB, GPU-accelerated | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [milvus.io](https://milvus.io) |
| **Qdrant** | High-performance vector DB | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [qdrant.tech](https://qdrant.tech) |
| **Chroma** | Local-first embedding store | [Memory](../skills/03-memory/), [Agentic Patterns](../skills/09-agentic-patterns/) | [trychroma.com](https://trychroma.com) |
| **FAISS** | Meta's fast local ANN index library | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [github.com/facebookresearch/faiss](https://github.com/facebookresearch/faiss) |
| **pgvector** | PostgreSQL vector extension | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [github.com/pgvector](https://github.com/pgvector/pgvector) |
| **MongoDB Atlas Vector Search** | Operational + vector search in one DB | [Memory](../skills/03-memory/), [Data](../skills/12-data/), [Domain-Specific](../skills/16-domain-specific/) | [mongodb.com/atlas](https://www.mongodb.com/products/platform/atlas-vector-search) |
| **Elasticsearch / OpenSearch** | Full-text + HNSW vector search, widely deployed | [Memory](../skills/03-memory/), [Web](../skills/11-web/), [Data](../skills/12-data/) | [elastic.co](https://www.elastic.co/elasticsearch/vector-database) |
| **Redis Vector** | Redis-native vector search | [Memory](../skills/03-memory/), [Action Execution](../skills/04-action-execution/) | [redis.io](https://redis.io/docs/interact/search-and-query/advanced-concepts/vectors/) |
| **Vespa** | Scalable vector + structured data search | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [vespa.ai](https://vespa.ai) |
| **LanceDB** | Embedded vector DB, serverless-friendly | [Memory](../skills/03-memory/), [Code](../skills/05-code/) | [lancedb.com](https://lancedb.com) |
| **mem0** | Agent-layer memory management | [Memory](../skills/03-memory/), [Agentic Patterns](../skills/09-agentic-patterns/) | [mem0.ai](https://mem0.ai) |
| **Zep** | Long-term memory + session history for agents | [Memory](../skills/03-memory/), [Agentic Patterns](../skills/09-agentic-patterns/) | [getzep.com](https://getzep.com) |

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## 🛠️ Observability, Evals & DevOps

| Tool | Description | Skills Coverage | Link |
|---|---|---|---|
| **LangSmith** | Tracing, debugging & evals for LangChain apps | [Agentic Patterns](../skills/09-agentic-patterns/), [Code](../skills/05-code/) | [smith.langchain.com](https://smith.langchain.com) |
| **Weights & Biases (W&B)** | ML experiment tracking, fine-tune monitoring | [Data](../skills/12-data/), [Code](../skills/05-code/) | [wandb.ai](https://wandb.ai) |
| **Arize Phoenix** | LLM observability & tracing | [Agentic Patterns](../skills/09-agentic-patterns/), [Security](../skills/14-security/) | [phoenix.arize.com](https://phoenix.arize.com) |
| **Helicone** | LLM request logging, cost tracking, replay | [Security](../skills/14-security/), [Tool Use](../skills/07-tool-use/) | [helicone.ai](https://helicone.ai) |
| **Ragas** | RAG evaluation framework | [Memory](../skills/03-memory/), [Data](../skills/12-data/) | [ragas.io](https://ragas.io) |
| **DeepEval** | LLM unit testing & CI evals | [Code](../skills/05-code/), [Security](../skills/14-security/) | [deepeval.com](https://deepeval.com) |
| **AgentOps** | Agent session tracking & replay | [Agentic Patterns](../skills/09-agentic-patterns/), [Security](../skills/14-security/) | [agentops.ai](https://agentops.ai) |

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*Last updated: April 2026. PRs welcome — see [CONTRIBUTING.md](../CONTRIBUTING.md).*
