Free2AITools — The Open-Source AI Registry

Discover, rank, and compare 500,000+ AI models, datasets, papers, and tools from 13+ platforms. Updated daily, scored by the Free2AITools Nexus Index (FNI).

Website: free2aitools.com

What It Does

500K+ Entities — Models, datasets, papers, agents, tools, spaces, and prompts from HuggingFace, GitHub, ArXiv, Ollama, Replicate, Civitai, and more
FNI Ranking — 5-factor composite score (Semantic, Authority, Popularity, Recency, Quality) with full breakdown in every API response
Hardware-Aware Selection — Find models that fit your VRAM, license, and task constraints
Daily Updates — Automated pipeline refreshes all data daily

For Developers & AI Agents

Model Selection API

curl -s https://free2aitools.com/api/v1/select \
  -H "Content-Type: application/json" \
  -d '{"task":"text-generation","constraints":{"max_vram_gb":8}}'

Returns ranked recommendations with params, VRAM estimates, license, and rationale.

Model Comparison API

curl "https://free2aitools.com/api/v1/compare?ids=hf-model--meta-llama--llama-3-8b,hf-model--google--gemma-2-27b"

Side-by-side comparison with FNI factor decomposition.

Search API

curl "https://free2aitools.com/api/v1/search?q=code+generation&limit=5"

MCP Server

Add to Claude, Cursor, Windsurf, or any MCP-compatible client:

{
  "mcpServers": {
    "free2aitools": {
      "url": "https://free2aitools.com/api/mcp"
    }
  }
}

5 tools: free2aitools_search, free2aitools_rank, free2aitools_explain, free2aitools_select_model, free2aitools_compare.

FNI Badge

Embed live FNI score in your README:

![FNI Score](https://free2aitools.com/api/v1/badge/hf-model--meta-llama--llama-3.3-70b-instruct)

Open Data

Parquet exports available for offline analysis with DuckDB, Pandas, or Spark.

Documentation

Developer Docs — API reference, MCP setup, Badge integration
FNI Methodology — Scoring formula, sub-factors, anti-manipulation
Trends — Weekly AI model intelligence

No auth required. Free to use.

License

MIT

Free2AITools — The Open-Source AI Registry