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Codebase memory for AI agents: an AST index plus agent-written notes that self-stale.
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Developer tools Official MCP Registry · npm Local 45 a week MIT
NE
Neuromcp io.github.AdelElo13/neuromcp Semantic memory for AI agents with hybrid search, knowledge graph, and consolidation
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Memory and context Official MCP Registry · npm Local 164 a week AGPL-3.0-ONLY
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Agent memory on your own Postgres that flags superseded facts and abstains instead of guessing.
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Memory and context Official MCP Registry Local
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Local-first long-term memory for AI agents, with byte-recomputable signed verification receipts.
100% up · 30 days
Memory and context Official MCP Registry Local Remote
NU
Nucleus io.github.eidetic-works/nucleus Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.
100% up · 30 days
Memory and context Official MCP Registry · PyPI Local Remote
ME
memo io.github.jagoff/memo Memory for AI agents — MLX (Apple Silicon) or CPU (Linux), sqlite-vec + BM25, zero cloud.
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Databases Official MCP Registry · GitHub MCP Registry Local
CO
Cosmos io.github.teampolarity/cosmos-mcp Personal knowledge graph every MCP client reads from and writes to. Portable across agents.
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Docs and knowledge bases Official MCP Registry · npm Local 162 a week MIT
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Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.
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Memory and context Official MCP Registry · npm Local 160 a week APACHE-2.0
NA
Nativ io.github.Nativ-Technologies/nativ AI-powered localization — translate, manage translation memory, and access style guides.
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Utilities Official MCP Registry · PyPI Local MIT
EN
Engram io.github.kael-bit/engram Hierarchical memory for AI agents. Three-layer (buffer/working/core) with decay and promotion.
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Memory and context Official MCP Registry · npm Local 46 a week MIT
KI
Kireo io.github.wang1051992187/kireo Long-term memory for Claude Code, Cursor and any MCP client, with a searchable web dashboard.
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Memory and context Official MCP Registry · npm Local 40 a week MIT
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Graph-powered code intelligence with semantic search and knowledge graph for AI assistants
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Developer tools Official MCP Registry · npm Local 146 a week APACHE-2.0
OP
Openfda io.github.cyanheads/openfda-mcp-server Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.
100% up · 30 days
Science and research Official MCP Registry · npm Local Remote 138 a week APACHE-2.0
MA
MarsNMe io.github.Marsmanleo/marsnme Agent-agnostic memory backend that preserves continuity between humans and AI over time.
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Memory and context Official MCP Registry · npm Remote 36 a week APACHE-2.0
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Decode VINs, search recalls, complaints, crash ratings, and investigations.
100% up · 30 days
Smart home and hardware Official MCP Registry · npm Local Remote 130 a week APACHE-2.0
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Memory the human governs, on their own machine, plus what other coding agents here wrote.
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Coding agent tools Official MCP Registry · npm Local 128 a week MIT
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Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.
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Docs and knowledge bases Official MCP Registry · npm Local 128 a week APACHE-2.0
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Map text into knowledge graphs to create a structured representation of conceptual relations and t…
100% up · 30 days
Memory and context Official MCP Registry · npm Remote MIT
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Universal memory system for AI agents - CLI + MCP server + library API
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Memory and context npm Local 12k a week APACHE-2.0
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Cloud-persistent, semantic-search memory MCP — drop-in for server-memory, backed by ZeroDB.
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Memory and context Official MCP Registry · npm Local 119 a week MIT