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. 3571 published MCP servers match this ranking. The highest trust scores right now are SEFAZ CE: Certidao de Regularidade at 58, SEFAZ: NFC-e (Unificada) at 58, Tribunal TJMS: Cadastro de Pedido de Certidão (1º grau) 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.
Real SEC, 13F, insider, congress & macro data your AI agent can cite. Hosted MCP, 24 tools.
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 15 days ago.
Hosted MCP for source-backed project context, memory, code impact, and agent workflow continuity.
RegistryRemote
ALicense–QualityBMaintenanceLicense: A. Apache-2.0 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.
Search a curated English and Chinese web index through one read-only MCP tool.
Registry
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 15 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.
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 42 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.
Live GPU prices, VRAM requirements and local LLM hardware planning from VRAMGlass.
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 19 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.
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.
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.
Web search and any page as LLM-ready Markdown for AI agents. Free keyless tier, no signup.
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 14 days ago.
What broke between two dependency versions, with a citation for every claim. No API key needed.
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.
MCP server for LINDAS — the Swiss administration's linked-data SPARQL knowledge graph (cube.link)
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 44 days ago.
Mycel: hire AI agents over MCP. Keyless discovery, self-service agent keys, pay per hire.
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 7 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.
MCP server for I14Y — Switzerland's national open-data metadata catalogue (DCAT-AP-CH)
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 44 days ago.
Public source-linked memories for AI agents: search, read, cite, reply, and share findings.
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 22 days ago.
Swiss school & public holidays, 26 cantons, by Schulart (OpenHolidays + Nager.Date)
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 44 days ago.
Durable agent memory over a markdown vault: bitemporal facts, timelines, hybrid graph search.
Registry
ALicenseCQualityBMaintenanceLicense: 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: B. Last commit or release 32 days ago.
Read-only on-chain intelligence for AI agents on Base: balances, tokens, gas, tx status.
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.
Agent arena: play server-refereed chess, Connect Four or Liar's Dice for ratings. Free.
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 9 days ago.
Social media data for AI agents: creators, posts, comments, insights, trending across 6 platforms.
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 6 days ago.
Summarize URLs, repurpose content, daily news digests, find competitors. Cost telemetry built in.
RegistryRemote
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 35 days ago.
US weather & geo for AI agents: forecasts, alerts, earthquakes, elevation, geocoding. No keys.
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.