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MCP servers tagged retrieval
21 live MCP servers tagged "retrieval", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with retrieval.
Bm25s
Fast lexical search implementing BM25 in Python using Numpy, Numba and Scipy
jcdickinson/simplemem
SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal
Semble
Fast and Accurate Code Search for Agents. Uses ~98% fewer tokens than grep+read
Sidekick
Local coding-agent orchestrator — DAG of auto-approved, git-worktree-isolated sub-sessions across LLM providers (Claude/Kimi/Grok/DeepSeek/local). AGPL-3.0.
Atomicmemory
Portable semantic memory for AI agents: core engine, TypeScript SDK, framework adapters, MCP server, CLI, and host plugins.
Redevops Rag
Hybrid RAG (DuckDB vector + BM25 + RRF + recency/keyword priors + optional cross-encoder rerank) as an installable library + CLI.
Primitive Bench
The marketplace for verifiable AI outcomes: state a task, get a fixed price upfront, and Primitive Bench routes across tools to complete it, refunded if the outcome isn't delivere…
Vera
Local code search combining BM25, vector similarity, and cross-encoder reranking. Parses 60+ languages with tree-sitter, runs entirely offline, and returns structured results with…
Context Runtime
Context Runtime — a database query planner for LLM context. Decides what a model sees before it answers; plans it, runs it through reused substrate, and learns from the outcome.
Ctxd
Your AI agents can't see your files. ctxd connects your cloud data and makes it searchable via API, CLI, or MCP.
The MCP Company
TheMCPCompany: Creating General-purpose Agents with Task-specific Tools
Ennoia
Declarative Document Indexing (DDI) framework for Python. Define schemas, extract structured indices, search smarter.
Sweet Search
Local code search for AI agents: six fast, purpose-built tools that return ranked answers, not raw grep. Because maybe grep isn't all you need... 🍬
Mneme MCP Server
MCP server for mneme: 9 tools for vault-native memory in Claude Code and MCP-compatible clients.
Pensyve
Universal memory runtime for AI agents. 8-signal retrieval, multimodal memory, spaced-repetition decay, and procedural learning. Rust core with Python, TypeScript, Go SDKs + MCP s…
TheStack-ai/waypath
aware recall via FTS5 and RRF, and governed memory with explicit promote and review gates. Ships Codex and Claude Code host shims and a native MCP server.
Ostk Recall
Local-first cross-corpus retrieval MCP server — model2vec embeddings + LanceDB (Tantivy BM25) + SQLite. One binary; hybrid (dense + BM25) search across markdown, code, and Claude…
Cf
Token-native agent memory retrieval for LLMs, without embedding APIs or vector databases.
renezander030/agentic-task-system
cli`
TheGoatPsy/mneme
native, accountable memory for Claude Code and any MCP client. Markdown is the source of truth, no LLM on the Stop path, redaction before every derived store.
PruneMem
MCP-compatible memory governance for AI agents — with structure, state, and lifecycle.