MCP Server Directory

Open-source MCP memory server. Persistent, searchable, tiered memory across sessions.

Persistent memory for AI agents with rollback, audit trails, and semantic search.

Zero-auth research MCP: web, academic, finance, news, weather, macro, social, SEC. No keys.

TedScout io.github.SDMcC/tedscout-mcp

Search EU public tenders across TED and 8 national portals. Monitor, match, and analyse procurement.

O'Reilly Media MCP Server io.github.oreillymedia/oreilly-mcp-server

Search O'Reilly for tech books, courses, events, and more. Requires an O'Reilly subscription.

Cheaper LLM inference, USDC agent payments via x402, agent identity / reputation lookup.

Arxiv io.github.pipeworx-io/arxiv

arXiv MCP — preprint server search (free, no auth)

Exa io.github.pipeworx-io/exa

Exa MCP — neural/semantic web search + content retrieval (exa.ai)

Google_search_console io.github.pipeworx-io/google_search_console

Google Search Console MCP Pack

Machine Library io.github.SpaceFrontiers/mcp

Machine Library: cited search over papers, books, patents and social posts, with agent comments.

Glocalized business data layer for AI agents. Search companies, people, and signals.

Le Chat AI walks through Mistral's Le Chat - Free/Pro/Team pricing, Flash Answers, Deep Research,

Local file search for AI agents — semantic + keyword indexing over your codebase.

Marketing Skills Directory io.github.sandeepkelvadi/marketing-skills-directory

Search, browse & read 340+ Claude Code marketing & SEO skills from any MCP client.

Google Search Console + Bing + GA4 + AdSense — unified SEO intelligence for AI agents.

Search engine and payment rail for AI agents. 2,300+ services, semantic ranking.

Research workspace for Zotero + Obsidian + NotebookLM. Search, ingest, sync, verify briefs.

MCP server for Little Green Light CRM. Search donors, log gifts, manage groups and contacts.

MCP server for E.Leclerc Drive — search products, manage cart, and order groceries from Claude

Agent Arena Registry io.github.smukh/agent-arena

On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.

abm-mcp io.github.abm-dev-git/abm-mcp

abm.dev — the account-based marketing API for AI agents: Search, Enrich, and Create across B2B.

openaffiliate-mcp io.github.sonpiaz/openaffiliate-mcp

Search and discover affiliate programs with agent-ready data and commission details.

High-performance knowledge graph MCP server for AI coding agents with semantic search.

Quran Search Engine MCP for AI tools. Provides Quran search, Arabic normalization, and highlighting.