This is a centralized note store that works across Claude, ChatGPT, Cursor, and other MCP clients. Save a note in one session and it shows up everywhere else immediately. You get full CRUD operations, soft deletes with 30-day recovery, tagging with surgical control (add, remove, or replace), filtering by title, tag, or date, and pinning to keep important notes at the top. Notes are encrypted at rest with AES-256-GCM per user. Authentication runs through JWT tokens from the mctx platform. The status tool shows what changed since your last session so you can pick up where you left off. Useful when you switch between AI clients or devices and need your context to follow you.
claude mcp add --transport sse io.github.mctx-ai-notes https://notes.mctx.ai/v1.5.4