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 guardian-mcp at 66, MotionSpec — web animation accessibility MCP at 66, mcpgawk at 66. 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.
Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.
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.
Decision memory for AI agents: record, revisit, and resolve consequential choices.
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.
Simulate farms, validate GardenScript and compare policies with Rust. No outbound LLM calls.
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.
Post-scrape data cleaner, no LLM: repairs mojibake, HTML, invisible chars. Plus a verdict.
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.
Looks up an engineer's or agronomist's professional registration at CONFEA/CREA from the CPF and nat
RegistryRemote
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 55/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: Not graded. No commit or release date has been recorded.
Pay-per-call AI evaluation MCP server. Score LLM outputs against benchmark rubrics via Workers AI.
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.
Language coaching in Codex with durable per-account memory on en-ai.ru.
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.
Free OpenAI-compatible inference with signed provenance receipts and 3 focused MCP tools.
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.
Search IPCC AR6 WG1 and answer with page-level citations, or refuse when unsupported.
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.
Shared semantic graph for AI reviews, classification and structured memory across AI assistants.
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.
Code intelligence for repository graphs, change impact, test selection, and engineering memory.
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.
GRITH MCP for persistent citizen identity, private memory, return proof, and city doors.
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.
One profile — skills, credentials, and memory — synced to every agent tool via one MCP URL.
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.
LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.
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.
Permanent on-chain memory for AI agents on Lightchain via a one-time unlock.
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.
Web and MCP change memory with native diff UI; later calls return only what changed.
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.
Multi-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.
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.
Anthropic organization usage and cost reporting through an admin API key connected by the user.
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.
CPFL: Download via link, official-source lookup. Platform-hosted, pay per query with prepaid credit.
RegistryRemote
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 55/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: Not graded. No commit or release date has been recorded.
CVM: Court Cases Administrativos Sancionadores, official-source lookup. Platform-hosted, pay per que
RegistryRemote
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 55/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: Not graded. No commit or release date has been recorded.
Persistent, outcome-grounded episodic memory for Claude. 14ms CPU retrieval, no GPU, no vector DB.
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.
INMETRO: Cronotacógrafo, official-source lookup. Platform-hosted, pay per query with prepaid credit.
RegistryRemote
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 55/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: Not graded. No commit or release date has been recorded.
History of traffic fines recorded by Brazil's Federal Highway Police by RENAVAM, including canceled,
RegistryRemote
–LicenseCQuality–MaintenanceLicense: Not graded. No license is recorded for this server.Quality: C. 55/100 for listing completeness. Lost points: short README, no listed tools, short summary.Maintenance: Not graded. No commit or release date has been recorded.