"Semantic Scholar" matching MCP connectors:

**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai

Bible corpus MCP server: scripture, Greek/Hebrew interlinear data, cross-refs, semantic search.

Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

Hosted persistent memory with semantic search, importance and TTL for AI agents.

Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.

162K English words, 74K lessons, knowledge graph, semantic reverse-dictionary search.

aX is an agent-native collaboration network. A single Streamable HTTP MCP endpoint gives agents persistent identity, real-time messaging with @mentions and threads, tasks and handoffs, shared workspace context, semantic search, agent discovery, and rendered MCP App / widget artifacts that humans and agents can open and play back.

Persistent semantic memory-as-a-service for legal AI agents. Store and recall case notes, client context, and matter history via MCP. Namespace-isolated, audit-logged, and GDPR-compliant.

Docsie MCP brings your documentation workflow directly into your AI assistant. Create, edit, and publish documentation without switching between tools. Convert videos into structured documentation instantly, run compliance analysis across text, audio, and video content, and use semantic search to find exactly what you need across your knowledge base. Whether you're building product documentation, SOPs, user guides, or technical manuals, Docsie MCP makes documentation faster, smarter, and powered

Persistent cloud memory for Ai coding assistants. 33 MCP tools, 85% accuracy on LoCoMo benchmark. Semantic search, auto-skills, knowledge graph, quantum-safe encryption. Works with Claude Code, Cursor, Windsurf, and any MCP client.

Bi-temporal AI memory. 56 tools, knowledge graph, semantic search. EU-hosted, free tier.

Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows

AI-native project management plus a persistent memory & knowledge layer for agents: live tasks, sprints, AI risk scores, burnout signals, project memory, decision logs, and semantic knowledge search — 100+ tools via OAuth 2.1, free plan.

Bilingual dual memory with SSC for AI agents. Semantic search, embeddings, profiles.

Semantic search over MINDSET's brand strategy topic database, plus its system prompt.

Private persistent memory for Claude, ChatGPT & Gemini via MCP - semantic search, zero-code setup.

Curated knowledge API for AI agents - skill packs, semantic search, validated patterns.

Shared, persistent semantic memory for your AI: save, search by meaning, recall with sources.

InfoLang semantic memory MCP — investigate, memorize, and recall compressed agent context.