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. 3569 published MCP servers match this ranking. The highest trust scores right now are Prompt Optimizer at 59, Memorix at 58, mcp-local-rag at 58. 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.
Best of
Full ranking
Every server that matches this ranking, ordered by trust score.
Offload grunt work from your premium agent to cheap models — auto-routing and billing isolation.
Registry
ALicenseDQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: D. 48/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: B. Last commit or release 2 months ago.
One memory, every AI: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, any MCP client.
RegistryRemote
ALicenseDQualityCMaintenanceLicense: A. Apache-2.0 is a permissive open source license.Quality: D. 48/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: C. Last commit or release 3 months ago.
Indexed C/C++ code navigation for AI agents — GNU Global (gtags) lookups over MCP, not grep scans.
Registry
ALicenseDQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: D. 48/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: B. Last commit or release 52 days ago.
Unofficial server for Horoshop (Хорошоп) stores: catalog, orders, SEO, feeds, admin. 118 tools.
Registry
ALicenseDQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: D. 48/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: B. Last commit or release 39 days ago.
Extract, search and tag any document: invoices, receipts, contracts, templates. OAuth or API key.
RegistryRemote
ALicenseDQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: D. 48/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: B. Last commit or release 2 months ago.
Search, read, download and report on tested step-by-step recipes (playbooks) for AI agents.
RegistryRemote
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 16 days ago.
Local privacy-first tools: redact secrets, decode JWTs, compare LLM costs. No network calls.
Registry
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 34 days ago.
Let Codex orchestrate external coding agents through their native harnesses.
Registry
ALicenseCQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: C. 65/100 for listing completeness. Lost points: no listed tools, short summary.Maintenance: B. Last commit or release 47 days ago.
A decision model for the calls that don't have a right answer. The better option, with a reason.
RegistryRemote
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 24 days ago.
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 20 days ago.
Currency conversion and exchange rates for AI. 170+ currencies, historical data back to 1999.
Registry
ALicenseBQualityAMaintenanceLicense: A. MIT is a permissive open source license.Quality: B. 71/100 for listing completeness. Lost points: 3 of 3 tools barely described, short summary.Maintenance: A. Last commit or release 26 days ago.
Persistent local memory for MCP-compatible AI coding agents, stored per repository in SQLite.
Registry
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 46 days ago.
Optimization middleware for AI agents: JSON problem in, verified and ranked solutions out.
Registry
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 41 days ago.
Run a GPU job under a hard dollar cap and collect the files it writes.
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 30 days ago.
US, Japan and Vietnam market data: macro, sectors, fundamentals, estimates, price history.
RegistryRemote
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.
Living technical memory for AI agents: recall approved project context, record what was learned.
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 34 days ago.
Product context for AI agents: evidence, opportunities, initiatives, and decisions.
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 13 days ago.
Shared memory for AI coding agents: summaries, symbol map, notes and agent-to-agent messages.
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 6 days ago.
Search Printables.com 3D models, read model cards, list files and get download links.
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.
Permission-aware onboarding MCP server: answers about a codebase, filtered by the caller's role.
RegistryRemote
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 13 days ago.
Deterministic verification for AI coding agents: catches invented APIs and wrong calls.
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 16 days ago.
Model routing for AI agents: delegate bulk reads & boilerplate to cheap worker models.
Registry
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 43 days ago.
One shared brain for your AI coding agents: team memory, agent Q&A, tasks, and file claims.
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 31 days ago.
Generate images, video, speech, music and text with 450+ AI models, one API key and one balance.
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 31 days ago.