AI and memory servers store what an agent learns, retrieve from vector indexes, or call other models. Note where embeddings are computed and where memories are stored before you connect one. 3564 published MCP servers match this ranking. The highest trust scores right now are amenbo at 65, dsa-coach-mcp at 65, brainllm at 65. The order is the published trust score: registry record, license, maintenance, popularity, documentation, and security signals. Featured slots, when an editor sets them, are labeled and do not change the score. Best AI and memory MCP servers is not a paid placement.
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Every server that matches this ranking, ordered by trust score.
MCP memory server for AI coding assistants. Windows Service, ONNX embeddings, SQLite vector search.
Registry
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Persistent AI memory with shared team workspaces, typed knowledge chunks, and cross-tool support.
RegistryRemote
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Persistent episodic memory for AI coding: capture, retrieve, brief, dream cycle, cross-project.
Registry
–LicenseAQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: A. 87/100 for listing completeness. Lost points: 2 of 13 tools barely described, short summary, no docs link.Maintenance: Not graded. No commit or release date has been recorded.
Prompt-injection firewall for AI agents — scan untrusted text before LLM calls.
Registry
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Butterbase MCP server — manage your backend: schemas, auth, functions, storage, RAG, deploys.
RegistryRemote
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Persistent memory for Claude Code. Search, recall, and re-inject context from any session.
Registry
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression.
Registry
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Open, Git-native memory protocol for MCP agents. Portable, versioned, human-editable.
Registry
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 60/100 for listing completeness. Lost points: no listed tools, short summary, no docs link.Maintenance: Not graded. No commit or release date has been recorded.
–LicenseBQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: B. 82/100 for listing completeness. Lost points: 2 of 5 tools barely described, short summary, no docs link.Maintenance: Not graded. No commit or release date has been recorded.
Zero-knowledge persistent memory for Claude — encrypted, semantic search, EU hosted.
Registry
–License–Quality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: Not graded. No commit or release date has been recorded.
Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows
RegistryRemote
ALicense–QualityAMaintenanceLicense: A. Apache-2.0 is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 14 days ago.
Hosted MCP server for finding authoritative primary data sources and official portals.
RegistryRemote
ALicense–QualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: B. Last commit or release 38 days ago.
Connect MCP clients to 2,000+ AI models without managing provider API keys.
RegistryRemote
ALicense–QualityAMaintenanceLicense: A. Apache-2.0 is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 16 days ago.
Rust-native MCP server for Office document processing
Registry
CLicense–QualityBMaintenanceLicense: C. GPL-3.0 is a strong copyleft license: derived works must use the same license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: B. Last commit or release 40 days ago.
OpenAI-compatible MCP gateway cataloging 22 LLM providers, with routing, failover, and tools.
Registry
ALicense–QualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 17 days ago.
Automatic project memory for Claude Code and Cursor; Codex and Claude Desktop over MCP.
Registry
ALicense–QualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 21 days ago.
Third-party open-source MCP server for Kingdee K3Cloud ERP - 101 tools, 17 domains. Unofficial.
Registry
ALicense–QualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 15 days ago.
Processos judiciais brasileiros via DataJud CNJ: consulta, andamentos, resumo e prazos em dias úteis
Registry
ALicense–QualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 14 days ago.
Tells coding agents which npm dependencies changed after their training cutoff, and what changed.
Registry
ALicense–QualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 8 days ago.
Cross-session memory and hybrid RAG over your notes and docs. Local-first, with cited answers.
Registry
ALicenseCQualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: C. 60/100 for listing completeness. Lost points: no listed tools, short summary, no docs link.Maintenance: A. Last commit or release 22 days ago.
Runtime proxy for MCP security, cost governance & audit
Registry
CLicense–QualityBMaintenanceLicense: C. AGPL-3.0 is a strong copyleft license: derived works must use the same license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: B. Last commit or release 14 days ago. Down one letter for 38 open issues against 21 stars.