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googlarz/README.md

Dawid Piaskowski

Would you give an AI your inbox, your bank statements and your lab results? Only if none of it ever leaves your machine.

I'm a product guy in Berlin, and I build exactly that: local-first tools that let Claude work with your real data: mail, messages, money, health, training.

Start here

proton-mail-bridge-client: Proton Mail for Claude via Proton Bridge. Up to 96 MCP tools plus a CLI on the same backend. Read, search, draft, send, with read-only and send-to-self modes. About 10k npm downloads a month.

finance-assistant: personal finance copilot for Claude Code. Bank imports, country-specific tax rules, scenario modelling. Local-first, 1,100+ test functions.

signal-mcp: Signal for Claude via signal-cli, with local history and full-text search. 79 MCP tools. On PyPI.

suunto-mcp: ask Claude about your Suunto workouts, sleep and recovery, and push workouts back to the watch. 24 MCP tools. On npm.

LLMessenger: macOS app that digests iMessage, Signal, Telegram and Slack on-device and drafts replies for your approval.

LLMessenger digest of messages from several chat apps

Recently shipped

  • vinted-mcp-cli v1.6.3 — Browse, search, and manage Vinted listings from Claude or the terminal — buy, sell, track items,... · 2026-10-07
  • proton-mail-bridge-client v2.7.1 — Local-first Proton Mail MCP server and CLI via Proton Bridge. Search, draft, send and organize ma... · 2026-10-07
  • signal-mcp v1.43.0 — Signal for AI assistants: an MCP server + CLI with searchable local message history, groups, poll... · 2026-10-05
  • proton-drive-mcp v1.5.2 — MCP server and CLI that gives Claude full access to Proton Drive — upload, download, share, and m... · 2026-10-05
  • suunto-mcp v0.18.0 — MCP server that connects your Suunto watch data to Claude and other AI assistants · 2026-10-05
  • suunto-gym v0.1.0 — Personalized strength-training coach for Claude Code — progressive-overload programming, Suunto r... · 2026-09-29

More

How I build

  • Private by default: local storage, no telemetry, read-only modes where possible.
  • Built for my own use first, then released once it holds up.
  • Honest about limits: finance and health tools are assistants, not licensed advice.

LinkedIn · All repositories

Pinned Loading

  1. finance-assistant finance-assistant Public

    Personal finance copilot — real math, not AI guesses. 6 locales · 13 bank formats · Monte Carlo FIRE. claude.ai · Claude Code · Cowork. Open source, free.

    Python 48 11

  2. signal-mcp signal-mcp Public

    Signal for AI assistants: an MCP server + CLI with searchable local message history, groups, polls, @mentions and 80+ tools on top of signal-cli. 100% local, read-only mode available.

    Python 9 8

  3. proton-mail-bridge-client proton-mail-bridge-client Public

    Local-first Proton Mail MCP server and CLI via Proton Bridge. Search, draft, send and organize mail from Claude Desktop, Claude Code or any MCP client. 96 tools, read-only and send-to-self modes.

    TypeScript 68 18

  4. proton-drive-mcp proton-drive-mcp Public

    MCP server and CLI that gives Claude full access to Proton Drive — upload, download, share, and manage your end-to-end encrypted files without leaving the conversation.

    JavaScript 2

  5. suunto-mcp suunto-mcp Public

    MCP server that connects your Suunto watch data to Claude and other AI assistants

    TypeScript 31 3

  6. health-skill health-skill Public

    A health workspace and longevity companion for Claude — connects your labs, training, sleep, and family history so every conversation builds on the last.

    Python 13 2