Knowledge & memory: MCP servers, A2A agents and x402 APIs
Long-term memory, knowledge bases and retrieval for agents: notes, wikis, graphs and semantic search. 265 listings in the Rooms directory, 264 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Listen to Sadhu Live MCP
Read-only semantic search over Vedic scripture verses, commentaries, and recorded lectures.
MCP server · app.listentosadhu
- Listen to Sadhu (listentosadhu) Live MCP
Listen to Sadhu exposes a searchable corpus of Vedic scripture and recorded lectures. Look up verses by reference (e.g. "BG 2.13", "SB 5.5.3", "CC Madhya 8.128") with original Devanagari/Bengali, IAST transliteration an…
MCP server · listentosadhu
- Locul Cloud Memory Live MCP
Recall memories, entity profiles and source notes from your Locul cloud brain in any AI chat.
MCP server · ai.locul
- Lodekeep Live MCP
Memory MCP server for Claude Code. Correct a fact and the old version stops being recalled.
MCP server · com.lodekeep
- Malaysia Open Data MCP Server Live MCP
This MCP server provides seamless access to Malaysia's government open data, including datasets, weather forecasts, and public transportation information. Enable efficient querying and retrieval of real-time and histori…
MCP server · hithereiamaliff
- Mash Prime Live MCP
Read Mash Prime's essays and build notes on agentic systems, memory, approvals, and workflows.
MCP server · dev.mashprime
- Memchats Live MCP
Search your chat history and contact memory, and ask advisors about your conversations.
MCP server · com.memchats
- Memocore Live MCP
Shared memory for all your AI agents, your whole team and every MCP client — save, search, recall.
MCP server · ai.memocore
- MemoryPlugin Live MCP
Give every AI you use one shared, permanent memory. Store once, recall in whichever AI you open.
MCP server · com.memoryplugin
- MeshMarket Live MCP
The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.
MCP server · io.github.RightOnPar-LLC
- Mnemos — memory as a service Live MCP
Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.
MCP server · com.virohanalife
- Mochii work graph Live MCP
Mochii work graph: projects, tasks, meetings. Stiki OAuth. Not Nexus memory.
MCP server · com.chibitek
- MoonlyBox MoonLink Live MCP
Personal knowledge MCP: capture bookmarks, notes & todos by chat; archive pages; search memory.
MCP server · cn.moonlybox
- mosADD — the comms layer for AI agents Live MCP
Command your AI agents by voice: PTT rooms, channels, direct messages, agent email, memory (mRAG).
MCP server · com.mosadd
- MustertheForce MCP Live MCP
Salesforce-grounded retrieval, diagnoses, and a vetted-Force marketplace for MCP clients.
MCP server · com.mustertheforce
- MyAITwin Live MCP
A personal RAG database you build from chat, so AI creates work that sounds like you.
MCP server · com.lutolearn
- Naumu Live MCP
Search, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.
MCP server · ai.naumu
- Newsmind Live MCP
Read, search and track your RSS feeds: semantic search, story clustering, watches, OPML import.
MCP server · app.newsmind
- NexTool MCP for GLPI Live MCP
MCP server for GLPI: tickets, ITIL, assets, knowledge base. GLPI 10/11. Not affiliated with Teclib'.
MCP server · com.nextoolsolutions
- Nexus Memory Live MCP
Owner-scoped Nexus memory: search, facts, captures, KYC. Not Mochii's work graph.
MCP server · com.chibitek
- Nysa Live MCP
Shared memory for teams that work with AI agents: meetings, email and calendar in one brain.
MCP server · com.usenysa
- ONES Live MCP
Manage ONES projects, issues, tests, work hours, and Wiki knowledge.
MCP server · com.ones
- paper-search-mcp-openai-v2 Live MCP
Find and download academic papers from leading sources like arXiv, PubMed, bioRxiv, medRxiv, Google Scholar, Semantic Scholar, CrossRef, and IACR. Get standardized results and fetch full-text PDFs when available. Accele…
MCP server · TitanSneaker
- Penny Live MCP
Portable AI memory you own. Keep memories and notes across Claude, ChatGPT, and other AI tools.
MCP server · ai.mypenny
- Perfect Memory Live MCP
Search what you've seen on screen and heard in meetings, recorded on your own Mac or PC.
MCP server · ai.perfectmemory
- Picsha AI Live MCP
AI-native digital asset management: semantic search, generative image edits, and CDN delivery.
MCP server · ai.picsha
- Prowlo — Reddit & X for AI agents Live MCP
Reddit & X data for AI agents over MCP. Semantic search, hosted, no Reddit API.
MCP server · com.prowlo
- Quelvio Live MCP
**Your company's brain for AI agents.** Quelvio continuously understands your organization's knowledge across every connected system — what's authoritative, what's recent, what's persistent, what's temporary, and what s…
MCP server · quelvio
- Recordo: Task Planner & Notes Live MCP
Brain dump, routines, task planning, focus, and instant thought retrieval
MCP server · app.recordo.api
- RepoFold Live MCP
A cited wiki of your GitHub repo: search, read pages, find symbols and ask, with line citations.
MCP server · dev.repofold
- ResponseHub Live MCP
Answer security questionnaires and RFPs from your AI knowledge base.
MCP server · ai.responsehub
- Revelara Live MCP
Reliability intelligence: production incidents, risk register, controls catalog, knowledge graph.
MCP server · ai.revelara
- RFP.ai Live MCP
Draft cited RFP and security questionnaire answers from your knowledge base, with human review
MCP server · ai.rfp
- Seturos Live MCP
Shared work memory for Claude Code, Codex, Cursor and chat, scoped to each repository.
MCP server · com.seturos
- Sooveryn Live MCP
AI personas with a lasting, encrypted memory per project, for Claude Code. Hosted in France.
MCP server · com.sooveryn
- Stele Live MCP
Shared project memory for AI coding agents: decisions, lessons, risks and tasks in one graph.
MCP server · dev.stele-ai
- Suzuri Live MCP
Semantic search across Japan's government white papers, in English or Japanese. Free beta.
MCP server · dev.suzuri
- Synapse Layer — Trust Infrastructure for AI Agents Live MCP
MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.
MCP server · io.github.SynapseLayer
- Syntology Live MCP
Provenance-tagged knowledge graph of AI/ML research: papers, citations, methods, code.
MCP server · ai.syntology
- Talarion Live MCP
A knowledge base of verified, dated facts your LLM would otherwise get wrong.
MCP server · com.talarion
- Taproot Live MCP
Persistent memory layer for AI tools. Save and recall notes across Claude and other MCP clients.
MCP server · com.taproothq
- Tasg Live MCP
Work management where AI agents are first-class members: tasks, projects, memory over hosted MCP
MCP server · app.tasg
- TeamYou Live MCP
Topics, semantic search, tasks, projects, areas and documents in TY Agent Drive.
MCP server · com.teamyou
- There There Live MCP
AI helpdesk by Spatie. Read, triage and reply to tickets, and edit your knowledge base.
MCP server · app.there-there
- Tillpad Live MCP
Bounded KVP, RAG search, and wipe receipts for agent jobs over remote MCP
MCP server · com.cnrcode
- var.gg Naming Memory Live MCP
Curated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN).
MCP server · gg.var
- VineVerse — Bible Knowledge Graph Live MCP
Bible knowledge graph: 31,102 verses, 341,289 cross references, people, places, themes.
MCP server · bible.vineverse
- Vocci Live MCP
Read-only MCP access to authorized Vocci sessions, notes, files, and memory search.
MCP server · ai.vocci
Related capabilities
x402 paid APIsAI models & inferenceResearchAgent infrastructureDocuments & PDFsEmailVideo & audioCoding & dev tools
How to use one
MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.
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