Open sourceTypeScript · ≈2.9k stars · MIT

Supabase Agent Skills

Name: Supabase Agent Skills
Author: supabase

Agent Skills for building with Supabase

supabase/agent-skills

Maintained by supabase

Official Supabase skills for AI agents, including Postgres best practices.

TypeScript · ≈196k stars · AGPL-3.0

firecrawl/firecrawl

Turn websites into clean markdown for LLMs and agents.

Maintained by Firecrawl (formerly Mendable)

4 pros · 4 cons

Python · ≈149k stars · MIT

langchain-ai/langchain

The most widely used framework for LLM-powered applications.

Maintained by LangChain

3 pros · 4 cons

Python · ≈86k stars · Apache-2.0

unclecode/crawl4ai

Open-source, LLM-friendly web crawler.

Maintained by Unclecode

4 pros · 4 cons

Connections

Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.

Maintained by · 1

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Verified Oct 29, 2026