Harnesses & SDKs

Open-source Firebase framework for AI features and agent workflows in JavaScript, Go, Python and Dart, with model plugins.

Python framework for multi-agent teams and workflows, with a CLI and Docker, MCP and A2A deployment options.

Framework for Python or Node.js programs that join LiveKit rooms as realtime voice and video agents.

JavaScript and TypeScript framework of interoperable components for building LLM apps and agents, with LangGraph.js and Deep Agents above it.

TypeScript platform to build and deploy long-running AI agents and workflows with retries, queues and human approval steps.

Browser DOCX editor and document engine built on OOXML, with a Document API that agents reach through SDKs, a CLI and an MCP server.

Coinbase toolkit that gives AI agents a crypto wallet and onchain actions, framework- and wallet-agnostic.

Browser infrastructure for AI agents: local and cloud Playwright-based browser sessions, scraping and deployable browser functions.

Open-source access layer that connects AI agents to 1200+ integrations with shared auth, permissions and audit logs.

Node.js distribution of the LiveKit Agents framework for realtime voice agents in LiveKit rooms.

Python toolkit for signed identities, verifiable credentials and delegated authority for AI agents, with MCP and REST interfaces.

Embeddable version control system for files and SQL tables, with branch, diff, merge and rollback across both.

TypeScript and JavaScript framework for multi-agent workflows with tools, handoffs, guardrails, sandboxes and voice agents.

JavaScript framework for multi-agent teams whose tasks move across a Kanban-style board you can watch.

SDK for building agents in C#, JavaScript and Python that run on channels such as Microsoft Teams and Microsoft 365 Copilot.