11,682 servers. Updated 2026-08-11 09:19

"Web search services that don't require an API key" matching MCP connectors:

Matching Connector Tools:

similarity-search-api-sdk A
Stateless NMI + cosine fusion with entropy-driven alpha calibration
Vector Databases AI & Machine Learning
32
agent-memory A
Persistent semantic memory for AI agents: store and recall text by meaning (RAG). x402
RAG Systems Vector Databases
211
aipricepatterns A
Historical market memory for AI agents using semantic vector search across years of financial market data. Discover similar market regimes, price patterns, and market context for quantitative research and algorithmic trading.
Finance Vector Databases RAG Systems
122
embedding-search A
Cloudflare Workers MCP server: embedding-search
Vector Databases Search AI & Machine Learning
32
Penfield Memory AOAuth
Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.
Knowledge & Memory RAG Systems Vector Databases
26
ls-search A
Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.
RAG Systems Vector Databases
62
NeuroStack
Token-efficient MCP memory for Markdown vaults. Tiered search, GraphRAG, AI memories.
Knowledge & Memory RAG Systems Vector Databases
245
SearchStack A
Agent-driven search: build, import, tune, search, and score result quality — all over MCP.
Search Vector Databases Location Services
2
Xata
Xata MCP server lets AI agents interact with your Xata projects, and Postgres database branches.
Databases Vector Databases RAG Systems
1
docs-mcp
Vector RAG store for Word/Excel/PDF/PowerPoint. Break-even pricing, $5 per 5,700 pages.
RAG Systems Vector Databases
2
Gnosis Memory
Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.
Knowledge & Memory Vector Databases Agent Orchestration
3
Contexta
Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.
Knowledge & Memory RAG Systems Vector Databases
2