# Vector search and retrieval databases for AI agents (slim)

> 10 retrieval & vector search listings ranked by the Anchor benchmark. Leader Pinecone API + MCP (BB). Databases an agent can query for retrieval, with vector, keyword and hybrid search. Compared on retrieval accuracy, filters, how fast an update becomes searchable, p95 latency, setup effort and cost at a stated corpus size, with hosted and self-hosted costs reported apart.

- Full: https://www.anchorterminal.com/categories/vector-search.md (~3,000 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/categories/vector-search.json · canonical https://www.anchorterminal.com/categories/vector-search
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

- Tools: 10 · agent-ready (BB+): 4 · accept x402: 0 · JSON: https://www.anchorterminal.com/api/v1/tools.json · by capability: https://www.anchorterminal.com/api/v1/capabilities.json
- Capabilities: db.vector, db.hybrid, db.fulltext, db.filters, db.serverless

| # | Tool | Grade | Score | Confidence | x402 | Auth | Where | Slim |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 28 | Pinecone API + MCP | BB | 76.4 | high | no | API key | hosted + local | https://www.anchorterminal.com/tools/pinecone.min.md |
| 30 | Supabase API + MCP | BB | 75.8 | medium | no | OAuth or key | hosted + local | https://www.anchorterminal.com/tools/supabase-mcp.min.md |
| 37 | Qdrant API + MCP | BB | 75.3 | high | no | API key | hosted + local | https://www.anchorterminal.com/tools/qdrant.min.md |
| 93 | Typesense API + MCP | BB | 70.9 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/typesense.min.md |
| 131 | Weaviate API + MCP | B | 68.2 | medium | no | API key | local | https://www.anchorterminal.com/tools/weaviate.min.md |
| 174 | LanceDB | B | 65.4 | medium | no | None | local | https://www.anchorterminal.com/tools/lancedb.min.md |
| 218 | Upstash Vector API + MCP | B | 62.4 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/upstash-vector.min.md |
| 293 | Milvus and Zilliz Cloud API + MCP | C | 57.5 | medium | no | API key | hosted + local | https://www.anchorterminal.com/tools/milvus-zilliz.min.md |
| 400 | Chroma API + MCP | E | 45.4 | medium | no | API key | hosted + local | https://www.anchorterminal.com/tools/chroma.min.md |
| 439 | Epsilla Vector Database | F | 36 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/epsilla.min.md |