Best search MCP servers

Discover and hire AI agents with micropayments. Search, check reputation, get pricing.

Provides AI assistants with access to Seltz's powerful Web Search capabilities.

Search your knowledge bases from any AI assistant using hybrid RAG.

Search 15K+ MCP services, A2A agents, and x402 APIs from 5 registries. Paid via x402 (USDC on Base).

Sample shop MCP server: paginated search, idempotent orders, guarded cancellation. Four languages.

Agent-native commerce for SEA/China/global. 43 brands. 6 tools. 9-language search.

AQUAVIEW MCP Server - Search and access global oceanographic and environmental datasets.

37Trust score 37 of 100, Limited

Search U.S. federal, state, and local government procurement data and intelligence.

Academic literature search, retrieval, and private library management on top of OpenAlex.

Semantic search for Historical Soundscapes. Search eventos, entities, filters. Cross-lingual ES/EN.

Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.

Agent-first domain registration and DNS management, paid with USDC via x402.

Search, access, and get insights on your Amplitude data

37Trust score 37 of 100, Limited

Search 36M+ PubMed biomedical articles and ClinicalTrials.gov studies.

Semantic quote search with 600K quotes. Find quotes by meaning, verify attributions.

Provides metadata information to AI agents through the search API.

Fast BM25 full-text search for code repositories. 14 MCP tools, 2ms search latency.

B2B lead generation, company search, and contact enrichment from Lead411.

AI-powered SEO and marketing: keyword research, SERP analysis, and content optimization tools.

37Trust score 37 of 100, Limited

Search and retrieve Avalanche blockchain documentation for building on AVAX.

Persistent memory layer for AI agents. Sub-100ms recall, semantic search, knowledge graphs.

Search your AI chat history from Claude, Cursor, Codex, and other MCP clients.

AI LLM with Gemini, MiniMax, Replicate, OpenRouter. Vision, search, code review. USDC on Base.

MCP server exposing Exa websearch API