"Keeper" matching MCP servers:

A self-hosted MCP server that lets a homeowner give sitters, dog walkers, and family short spoken pass codes so whoever is home can ask Alexa+ about notes, routines, and emergencies and hear only the parts they're allowed to. Unanswered questions are routed to the owner, who replies by voice, and the answer is saved as a shared note for next time.

Provides a persistent memory layer for Claude coding assistants so context, decisions, and progress survive session resets and compaction. Enables saving, searching, checkpointing, and restoring context across sessions through channels, categories, git integration, and batch operations.

Exposes 17 tools for adding, searching, maintaining, evaluating, and exporting notes in an Obsidian-based knowledge vault, plus commands to capture session knowledge and research topics into it. Works with Claude Code, Codex, and any other MCP client.

Enables Claude AI coding assistants to persist and restore context across sessions, preserving decisions, progress, checkpoints, searchable notes, and shared project-channel workflows.

Enables AI coding assistants to persistently save, search, checkpoint, and restore project context across sessions, including decisions, progress, and file state. It supports shared channels, git-aware organization, and batch operations for long-running or parallel development workflows.

A simple MCP server for creating and managing notes with support for summarization functionality.

Enables interaction with blockchain chains through a note storage system that allows adding, accessing, and summarizing notes via custom URI schemes.