Blog

Building in the open

Updates, tutorials, architecture deep dives, and lessons learned building AI agent tooling from a Raspberry Pi.

Introducing ClawTools — open-source tool connectors for AI agents

Why we built ClawTools, what problem it solves, and how it fits into the PicoClaw/OpenClaw ecosystem. The story of going from "I want a morning briefing on my Pi" to an open tool registry.

Setting up your first morning briefing with Gmail + Google Calendar

Step-by-step: from a fresh Raspberry Pi to receiving a daily AI-generated briefing on Telegram every morning at 7am.

How MCP tool calls work — and why they're the right abstraction for AI agents

A technical walkthrough of the Model Context Protocol, how tool call schemas are defined, and why ClawTools uses a dual MCP + HTTP interface.

The OAuth2 reality check: Google vs Microsoft, verified apps, and what it actually takes

Everything we learned navigating Google's OAuth verification process and Microsoft's Partner Network requirements. The real checklist, real timelines, real costs.

Building a Go microservice that speaks both MCP and REST

How ClawTools exposes the same tool definitions over both stdio MCP transport and HTTP REST with a single unified codebase in Go.

More posts coming as we build. Follow the repo to stay updated.