"FIRST" matching MCP servers:

Local-first crypto portfolio aggregation across exchanges (Bybit, Binance), EVM and Solana wallets, and Polymarket. Read-only credentials, runs as a local MCP server. Data aggregation only, not financial advice.

Serves Claude Desktop a unified, actionable read of Google Calendar and Google Tasks, surfacing overdue items first, then the day's events, free slots, and open tasks, with explicit-request-only write tools for creating, updating, completing, and deleting. Google stays the sole source of truth with no server-side storage beyond the OAuth token and a 30-second read cache.

Enables voice-first shared household expense tracking through Alexa+, letting flatmates record purchases, check balances, and settle debts in the fewest payments.

First public release of @hou-tea/mcp-server. The first MCP server that lets any AI agent (Claude Desktop, Cursor, Cline, Continue, Zed) browse, recommend, compare, and buy authentic Chinese tea from hou-tea.com using USDC stablecoin via the x402 protocol. Install ```bash npx @hou-tea/mcp-server ```

A local-first Spotify MCP server providing typed tools for music search, playback, playlists, audio analysis, and snapshot-safe DJ planning, with OAuth PKCE and no client secret stored.

A local-first nutrition MCP server for food search, barcode lookup, meal estimation, intake logging, hydration, and nutrition coaching workflows.

Deterministic state layer for AI agents that stores versioned entities such as contacts, tasks, transactions, and decisions with immutable observations and full provenance. Local-first SQLite memory shared across Claude, Cursor, ChatGPT, Codex, and OpenClaw via MCP and native plugins.