175 listed
Harnesses & SDKs
Frameworks and SDKs for building agents: the Claude Agent SDK, OpenAI Agents SDK, LangGraph, CrewAI and many more. Each page lists languages, packages, MCP and A2A support and how it orchestrates agents, with a link to the page every fact came from.
Showing 1–3 of 3
| Name | Language | Stars | Downloads / month (approx.) | MCP | A2A | Multi-agent |
|---|---|---|---|---|---|---|
| Rig Rust library for LLM applications with agents, tool calling, streaming and 20+ model providers, plus a terminal coding agent. | Rust | 9K | ~653K | Not stated | Not stated | — |
| lix Embeddable version control system for files and SQL tables, with branch, diff, merge and rollback across both. | JavaScript, Rust | 771 | ~2.4M | Not stated | Not stated | — |
| Swiftide Rust framework with an agent harness, typed task graphs and streaming indexing and RAG pipelines for LLM applications. | Rust | 795 | ~806 | Built in | Not stated | — |