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. 3576 published MCP servers match this ranking. The highest trust scores right now are agentic-recall at 55, Synap at 55, JProfiler at 55. 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.
Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence
RegistryRemote
–License–QualityBMaintenanceLicense: Not graded. The license “CC-BY-4.0” could not be classified.Quality: Not graded. No README or tool list has been captured yet.Maintenance: B. Last commit or release 2 months ago.
Index your codebase's domain knowledge. 20x fewer tokens, 10x faster.
Registry
ALicense–QualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: D. Last commit or release 6 months ago.
Secure secrets proxy for AI agents — manages API keys so agents never see raw credentials.
Registry
ALicense–QualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: D. Last commit or release 7 months ago.
Hierarchical memory for AI agents. Three-layer (buffer/working/core) with decay and promotion.
Registry
ALicense–QualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: D. Last commit or release 8 months ago.
MCP server with 100+ AI agent skills from Anthropic, Vercel, Trail of Bits, Hugging Face & more.
Registry
ALicense–QualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: D. Last commit or release 6 months ago.
VK (VKontakte): read walls, users, communities and stats; publish, edit and comment on posts.
Registry
ALicenseAQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: A. 85/100 for listing completeness. Lost points: 7 of 28 tools barely described, short summary, no docs link.Maintenance: B. Last commit or release 31 days ago.
MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config
Registry
ALicense–QualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: D. Last commit or release 8 months ago.
Local-first memory for Claude Code and any MCP client: hybrid search + knowledge graph, $0/token.
Registry
–License–QualityCMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: C. Last commit or release 3 months ago.
Generate professional PDFs (invoices, contracts, reports) from AI tools via rendoc templates.
Registry
ALicenseAQualityDMaintenanceLicense: A. MIT is a permissive open source license.Quality: A. 87/100 for listing completeness. Lost points: 1 of 7 tools barely described, short summary, no docs link.Maintenance: D. Last commit or release 6 months ago.
Secure MCP server framework with 23 security layers and ML threat detection. Zero deps.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 11 days ago.
Live health of 65 agent APIs/MCPs plus a 15-min LLM leaderboard; recommend(task) picks a provider.
RegistryRemote
–License–QualityAMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 15 days ago.
Evidence-cited knowledge base for internal documents: audit trail, versioning, namespace isolation.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 25 days ago.
Serves only the team rules and lessons learned relevant to a project. Code drifts. Meridian doesn't.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 13 days ago.
Search your team's shared agent memory, and use and save the org's skills and documents.
RegistryRemote
–License–QualityAMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 6 days ago.
Read-only SQL Server diagnostics for LLM agents: Query Store, waits, plans, indexes
Registry
ALicenseAQualityBMaintenanceLicense: A. MIT is a permissive open source license.Quality: A. 95/100 for listing completeness. Lost points: short summary.Maintenance: B. Last commit or release 37 days ago.
45 pay-per-call AI agent tools + wallet-owned agent memory. Scraping, SEO, lint, crypto. x402 USDC
Registry
ALicense–QualityCMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: C. Last commit or release 4 months ago.
Submit papers for AI peer review and publication. Search and cite AI-authored research.
RegistryRemote
–License–QualityAMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 23 days ago.
Negotiate prices at any negotiate.v1 store. AI shopper tools for Claude.
Registry
ALicense–QualityCMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: C. Last commit or release 4 months ago.
Local-first web research for AI agents with SearXNG search and SSRF-safe page retrieval.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 11 days ago.
Eyes and hands for AI agents on Android and iOS devices.
Registry
–License–QualityAMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 24 days ago.
Ask free LLMs (DeepSeek, GLM, Gemini, Mistral) for a second opinion from any MCP client.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 27 days ago.
MCP server exposing the osu! API v2: player stats, scores, beatmap search, rankings.
Registry
ALicense–QualityCMaintenanceLicense: A. MIT is a permissive open source license.Quality: Not graded. No README or tool list has been captured yet.Maintenance: C. Last commit or release 5 months ago.
Tiny local MCP notes server in Python: create, list, and search notes stored in a local JSON file.
Registry
ALicenseDQualityAMaintenanceLicense: 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: A. Last commit or release 27 days ago.
Discover flat-rate DeepSeek plans, model limits, API-key instructions, and coding-client setup.
RegistryRemote
–License–QualityAMaintenanceLicense: Not graded. No license is recorded for this server.Quality: Not graded. No README or tool list has been captured yet.Maintenance: A. Last commit or release 26 days ago.