ZBS Index What actually exists in applied AI, with the source next to it

Memory and context

Everything here was classified as memory and context by keyword match against the maintainer's own description, so treat the grouping as a starting point rather than a verdict.

The list is ordered by the most recent commit, not by stars. This makes current maintenance visible; it does not prove quality or fit for your task.

Exists, but quiet (40)

No commit in the last 90 days. Often fine for something small and finished, risky for anything you need fixed.

  • io.github.emergent-wisdom/understanding-graph — last commit 2026-05-13, v0.1.5
    Persistent reasoning memory for AI agents via typed cognitive nodes and supersedes edges.
  • io.github.dailyaiagents-cpu/heartbeat-silence-check — last commit 2026-05-12, v0.1.0
    Detects when workspace/system_memory/heartbeats.json mtime exceeds the silence threshold (default...
  • io.github.AlekseiMarchenko/central-intelligence — last commit 2026-05-08, v0.1.3
    Persistent memory for AI agents. Store, recall, and share knowledge across sessions.
  • Doriku — endpoint not answering, last commit 2026-05-07, v1.2.0
    Shared control plane for AI coding agents — tasks, memory, decisions, file locks. 12 tools.
  • Afterpaths — last commit 2026-04-27, v0.2.5
    Session memory for AI coding agents. Search past sessions, extract rules, and track what works.
  • io.github.gong8/knownissue — needs an account, last commit 2026-04-24, v1.0.0
    Shared debugging memory for AI coding agents
  • Hokmah — 5 functions, last commit 2026-04-22, v1.0.0
    AI Agent with Architectural Memory. Impact analysis (free), tests and code from the graph (pro).
  • io.github.daedalus/mcp-external-memory — last commit 2026-04-21, v0.1.2
    An MCP server that gives LLMs persistent, searchable semantic memory
  • io.github.dr12hes/engrm — last commit 2026-04-21, v0.4.6
    Shared memory across devices, sessions, and agents for OpenClaw, Claude Code, and Codex.
  • io.github.amenophis1er/elefante — last commit 2026-04-20, v0.1.9
    Open, Git-native memory protocol for MCP agents. Portable, versioned, human-editable.
  • ai.nocturnus/logic-server — last commit 2026-04-17, v0.3.11
    Agent reasoning, memory, and token-optimized context for AI applications.
  • Open Brain — endpoint not answering, last commit 2026-04-17, v1.1.0
    Graph-structured MCP memory server. 37.2% LongMemEval. Auto dedup, themes, decay, synthesis.
  • DocDeploy — endpoint not answering, last commit 2026-04-16, v1.0.0
    Document hosting and encrypted agent memory with multi-tenant persistence.
  • io.github.AdelElo13/neurohive — last commit 2026-04-16, v1.0.2
    Multi-agent memory intelligence with expertise tracking and conflict detection
  • io.github.DanielGuru/repomemory — last commit 2026-04-15, v1.3.0
    Persistent memory for AI coding agents. Hybrid search, auto-session capture, context routing.
  • DELPHI Oracle — endpoint not answering, last commit 2026-04-11, v1.0.0
    Real-time AI intelligence signals and temporal knowledge graph for agent economy
  • com.hekkova/mcp — needs an account, last commit 2026-04-11, v1.0.0
    TPermanent memory layer for AI agents. Mint moments to the Polygon blockchain via MCP.
  • Contexta — needs an account, last commit 2026-04-09, v1.0.0
    Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.
  • Forage - MCP Server for AI Agents — needs an account, last commit 2026-04-09, v1.0.2
    Web intelligence, verified B2B contacts, and a persistent knowledge graph for AI agents.
  • AiPayGen — 65+ AI Tools as an MCP Server — endpoint not answering, last commit 2026-04-03, v1.9.7
    65+ AI tools as MCP: research, write, code, scrape, translate, RAG, agent memory, workflows
  • io.github.annibale-x/mcp-webgate — last commit 2026-04-01, v0.1.31
    Web search that doesn't wreck your AI's memory.
  • io.github.annibale-x/mcp-memento — last commit 2026-04-01, v0.2.31
    An MCP server that provides persistent memory and context management across sessions
  • Zikkaron — last commit 2026-04-01, v1.0.0
    Biologically-inspired persistent memory engine for Claude Code MCP agents
  • io.github.archetypal-ai/archetypal-ai — last commit 2026-03-24, v1.0.5
    Persistent memory for AI agents. recall, remember, checkpoint — soul preservation.
  • Cardog — 5 functions, last commit 2026-03-21, v2.0.1
    VIN decode, Canadian listings, market quotes, TC+NHTSA recalls. Full API: https://cardog.app/docs.md
  • GrantAi Memory — last commit 2026-03-16, v1.8.6
    Persistent memory for AI agents. Infinite context with sub-millisecond recall.
  • io.github.es617/dbgprobe-mcp-server — last commit 2026-03-14, v0.1.4
    Let AI agents interact with debug probes — connect, flash, read/write memory, and reset.
  • io.github.EDKarlsson/locus — last commit 2026-03-14, v0.6.2
    Hierarchical markdown memory palace for AI agents — structured palace navigation via MCP tools.
  • Hebbian Mind — last commit 2026-03-13, v2.3.2
    Associative memory via Hebbian learning. Connections strengthen through use, decay through disuse.
  • io.github.atul-fusionpact/fusionpact-vectordb — last commit 2026-03-10, v2.1.1
    Hybrid vector + reasoning retrieval, agent memory, multi-agent orchestration, MCP server, and RAG.
  • Session Forge — last commit 2026-03-09, v2.0.3
    Persistent memory and session intelligence for AI coding assistants. Zero config.
  • io.github.heidiEC/context-pod — needs an account, last commit 2026-03-08, v1.0.0
    Persistent context for AI agents built fromlearned vectors with certainty scores.
  • Stompy – AI Memory for Claude & MCP Agents — needs an account, last commit 2026-03-08, v1.0.0
    Persistent AI memory with semantic search, conflict detection, and ticketing.
  • Aiqbee Brain — needs an account, last commit 2026-03-07, v1.0.1
    AI knowledge graph for architecture, portfolio, and digital strategy management.
  • io.github.bighippoman/memoir — last commit 2026-03-06, v1.0.3
    Structured session journals for AI agents. Persistent memory across sessions.
  • Verified Repo Memory — last commit 2026-02-21, v0.1.2
    Stale-proof repository memory with citations + just-in-time verification + TTL (repo-scoped).
  • DeepRecall - Product Safety Intelligence — 2 functions, last commit 2026-01-27, v1.0.0
    Search 120,000+ recalled products from 8 global safety agencies using AI similarity.
  • io.github.DiaaAj/a-mem-mcp — last commit 2026-01-17, v0.2.1
    Self-evolving memory system for AI agents
  • io.github.4rgon4ut/sutra — last commit 2026-01-03, v0.1.1
    Context Engineering Engine. Provides cognitive tools, memory structures, and agent patterns.
  • ai.smithery/pinion05-supabase-mcp-lite — endpoint not answering, last commit 2025-12-18, v1.0.0
    Same functionality, consuming only 1/20 of the context window tokens.

Listed, not yet verified by us (14)

Published to the registry, but we have not yet checked its repository. Treat the entry as the maintainer’s claim only.

  • Bourdon — v0.15.0
    Recognition-first cross-agent memory federation. One shared memory across all your agents.
  • ai.butlerbrain/mcp — needs an account, v1.0.0
    Persistent memory for AI assistants. Save once; recall from Claude, ChatGPT, or any MCP client.
  • DoneThat — needs an account, v1.0.0
    Privacy-first work tracking with summaries, reports, coaching, and AI-ready long-term memory.
  • ENYAL by Greenland AI — needs an account, v0.1.0
    ENYAL by Greenland AI — encrypted identity & memory for AI agents (query, recall, provenance)
  • ai.getthroughline/throughline — needs an account, v1.0.0
    A persistent AI self you own — memory, persona, judgment — portable across all your AI hosts.
  • LadderFlow — needs an account, v1.0.0
    Voice-interview your ideas into LinkedIn posts and X threads via a Digital Brain memory.
  • Arc — v1.8.5
    Local coordination hub for coding agents: durable shared memory, tasks, and handoffs. Desktop app.
  • ai.meminal/meminal — endpoint not answering, v1.0.0
    Memory for deep conversational context across any platform
  • Memocore — needs an account, v1.0.0
    Shared memory for all your AI agents, your whole team and every MCP client — save, search, recall.
  • ai.multi-turn/enacta — endpoint not answering, v1.0.0
    Long-term memory for AI agents: durable records, observable retrieval, governed context assembly.
  • Multinex MemQ — needs an account, v2.8.0
    Persistent memory for AI agents with OAuth-backed hosted MCP access.
  • ai.orgsdk/mcp — needs an account, v1.0.0
    Hosted runtime for persistent agent teams, durable workflows, memory, schedules, and goals.
  • ai.taskive/mcp — needs an account, v1.0.0
    AI-native project management + agent memory: tasks, sprints, risk, burnout, knowledge search.
  • ai.tokenarcade/tokenarcade — 16 functions, v1.0.0
    Games for AI agents. Each game runs inside a single context window.

Repository gone or archived (6)

The registry still lists these, but the linked repository returns 404 or the owner archived it. Shown so you do not spend time discovering that yourself.

  • Ambix — repository gone, needs an account, v0.1.0
    Your product team's shared strategic memory — an MCP server your AI tools reason over.
  • ai.argushq/enforcement-database — repository gone, 5 functions, v1.0.0
    Search Argus HQ public FDA enforcement data: warning letters, recalls, approvals, 483s.
  • InfoLang Memory — repository gone, endpoint not answering, v0.1.0
    InfoLang semantic memory MCP — investigate, memorize, and recall compressed agent context.
  • ai.mitosislabs/mitosis — repository gone, 14 functions, v1.0.0
    Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.
  • ai.odei/connect — repository gone, 7 functions, v0.1.0
    Governed personal world model and memory for your AI agent. Pair once, connect over MCP.
  • Synchronex — repository gone, v1.1.0
    Connect any AI agent to your Synchronex workspace — portable memory, decisions, and workers.

Page 4 of 14

How this page is ordered

Entries are grouped by whether anyone is still working on them, using the date of the most recent push to the repository. They are not ordered by stars, because a star is a bookmark somebody left once and never took back.

Where we have not checked an entry yet, it says so rather than being mixed in with the verified ones.