"LibreOffice Base" matching MCP servers:

Real public/bank/school holiday lookup for 206 countries via a rule-based calendar engine (moveable holidays like Easter computed astronomically, not guessed). Priced per call via x402/USDC on Base.

Enables AI assistants to interact with ExecuFunction's project management, knowledge base, code indexing, and calendar tools via MCP, allowing natural language management of tasks, notes, and code.

Connects MCP clients such as ChatGPT and Claude to a user's Feishu tenant through OAuth, offering 91 read and write tools covering documents, wiki nodes, spreadsheets, Base records, calendar events, tasks, chats, and cloud files. Per-user authorization, isolated read/write scopes, and token rotation keep actions scoped to the consenting account.

Enables personal productivity management by exposing MCP tools to create, retrieve, list, update, complete, and delete tasks and calendar events, with validation and conflict detection.