"Memory" matching MCP servers:

Enables several Claude windows or accounts to save and search a common set of notes, preferences, and decisions, and to leave topic-filed messages for each other that the recipient reads on demand. All data stays in two local JSONL files with no network access, so multiple instances can share context and hand off work without repeating background.

Persistent encrypted memory for AI agents. E2E encrypted private vaults, shared knowledge commons, topic channels, and agent-to-agent DMs. 23 MCP tools, free, no API key needed.

An intelligent personal CRM that processes WhatsApp conversations to build a searchable knowledge base about contacts using diarization, transcription, and PII sanitization. It exposes MCP tools for semantic search, contact summaries, and reminder management within Claude Desktop.

Enables multiple AI agents to share persistent memory, interact through a game hall and AI lounge, and bridge messages to ChatGPT and Claude browser sessions via MCP tools.

Enables AI agents to request human decisions and send notifications through chat platforms like Slack and WhatsApp, with ephemeral in-memory pending requests and no central backend.

DM / IM for AI agents over the A2A 1.0 protocol — send and receive agent-to-agent DMs, manage friends and group threads, and rehydrate per-friend persistent memory with one-call wake context. 12 tools, pip install agoradm-mcp, stdio transport.

Encrypted, local memory for your Claude Code Telegram bot. Captures both sides of the conversation at the plugin source (survives restarts and crashes) and recalls it via MCP tools.

MCP server that connects your AgoraDigest A2A agent to MCP-compatible clients, enabling drive of agent actions like sending DMs, checking inbox, managing friends, and rehydrating context with persistent per-friend memory.

Enables transferring conversation context between different AI chats or projects with automatic server discovery and memory-based storage. Supports saving, loading, and managing conversation histories in a human-readable Markdown format.

Local-first personal memory for AI agents. Captures your Feishu chats, emails, meetings, and AI coding sessions into a private memory graph, and serves it to any agent over MCP.

Social layer for AI coding — DMs, presence, discovery, and multiplayer games between developers. 68 tools including messaging, presence, memory, and 27 multiplayer games.

Where AI agents meet, work, and keep their word: public rooms, private messages, paid tasks and memory, with a Bitcoin-anchored record. Free over MCP (https://swarmmemo.com/mcp/core) or HTTP; Python, JS, LangChain and CrewAI packages.

Exposes NapCat/OneBot v11 QQ-bot APIs as MCP tools for any MCP client, and includes an LLM-driven QQ bot with memory, knowledge base, tool calling, web search, multimodal recognition, and permission controls.

A home for any agent on the internet: inbox, public memory, job board, rooms, human help. Free, no key.

MCP server that integrates OpenClaw AI assistant with Claude Code, enabling chat, task management, messaging, memory, alerts, agent spawning, and web search through configurable tools.

A unified MCP server that combines GitHub, local Git, Slack, web fetching, persistent memory, and filesystem tools into a single configuration entry, with dangerous capabilities like shell execution disabled by default.

Build production-grade multi-agent communication infrastructure in minutes. Real-time messaging, task scheduling, shared memory, and trust-based evolution — all via MCP + SSE.

An open-source MCP server that gives AI assistants a searchable memory of your entire personal communication history by ingesting messages from multiple platforms and indexing them with hybrid search.

Shared rooms for coding agents from different vendors (Claude Code, Codex, Gemini CLI, opencode): 25 MCP tools for room messages, file claims that expire, shared state, memory and moving git branches between machines.

MCP server that exposes OpenClaw Gateway tools to Claude Code and other MCP clients, enabling messaging, session management, scheduling, node control, web search, memory search, and TTS.

A headless local stdio server that gives an MCP-compatible assistant durable relationship memory for LinkedIn contacts — resumable ingestion into SQLite, source-backed labels, organizations, opportunities and follow-ups, plus revision-checked draft preparation held in an outbox. It enables evidence-based classification and reply drafting from your own approved LinkedIn API access without any automatic sending, browser automation, or telemetry.

Enables AI agents and MCP clients to access team memory, chat channels, connected apps, meetings, files, workflows, and scheduling, while supporting task handoff and approval-gated actions through a remote Streamable HTTP endpoint.

An MCP server for multi-agent collaboration, providing team messaging and long-term semantic memory with trust-based access control and single-writer consistency.

Enables Claude to read, search, summarise and post entries in an end-to-end encrypted Pyunto exchange diary, decrypting only on the user's own machine. Users initiate every interaction, pairing by QR code and using tools such as read_thread and post_entry so the diary becomes long-term memory alongside the phone app.

Enables AI assistants to make phone calls via CallZero service, with tools for call management, templates, and memory.

AI-powered project management with persistent memory, encrypted P2P sharing, and 20+ integrations, enabling your AI assistant to manage projects, share memories, and collaborate securely across platforms.

Enables an ambient voice companion to converse with isolated older people while exposing MCP tools and app cards for long-term memory, background reflection, reminders, two-way family messages, digests, and emergency escalation over Streamable HTTP. Family members get honest impressions and alerts, and emergencies reach simulated (or pluggable real) dispatch before loved ones are notified.

Enables Claude Code to run 24/7 through Telegram, handling text, voice, media, group conversations, persistent memory, scheduled messages, calendar access, and live agent/tool progress via a self-healing daemon.

Connects Claude Code to WhatsApp through a linked-device or official Cloud API account so users can exchange messages, media, polls and transcribed voice notes with their session and approve or deny tool requests by emoji reaction. Inbound traffic is gated by pairing codes, allowlists and per-group policies, giving each chat its own personality, memory and scheduled tasks.

This server enables users to operate Claude Code functionalities 24/7 directly within Telegram. It provides advanced features including voice interaction, session memory persistence, and real-time Agentic Mode monitoring.