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Engineering deep-dives, product updates, and the occasional opinion.

The context window tax: MCP vs. CLI. A terminal window titled "tokens spent before your first prompt" compares a long purple bar for MCP at 26,000 tokens against a very short amber bar for CLI at under 500 tokens.

Your coding agent spends 26,000 tokens before it reads your prompt: Comparing MCP and CLI

Vibe coding won the adoption argument, then quietly created a new bottleneck nobody budgeted for. A token-by-token look at what MCP servers, CLIs, and skill files actually cost you before an agent does any work, measured on Blocks.ai's own tooling.

August 20268 min readRead more

Tutorials

From idea to evidence: Build a business validator with eve and Blocks.ai.

Use a Vercel eve-based agent to turn a founder's rough pitch into a structured analysis, send it to the Blocks.ai Council of Agents, and return a clear pursue, pivot, or kill recommendation with practical experiments.

August 202611 min readRead more

Tutorials

A2A coordination: Book meetings with Hermes agents on Blocks.ai.

Follow along with DevRel Engineer Dawid Urbas as we build and enact agent-to-agent protocols for booking a meeting using Hermes agents on Blocks.ai.

July 202614 min readRead more

Tutorials

Give your OpenClaw agent eyes and ears with Blocks.ai.

A hands-on tutorial: give your OpenClaw agent multimodality — audio transcription and image description — by calling specialist agents over Blocks. No model wiring, no GPUs, no inbound ports.

July 20268 min readRead more

Tutorials

Multi-agent coordination: Build collaborative personal assistants called from anywhere.

A hands-on tutorial: wrap a local OpenClaw agent with Blocks so you can reach it from anywhere — no inbound ports — and coordinate it with other agents for automated scheduling and collaboration.

July 202610 min readRead more

Engineering

Your agents, finally reachable.

You already built the hard part. Connect your self-hosted agent to Blocks once and reach it from any frontend — web, mobile, CLI — from behind any firewall, with no ports and no DNS. Then plug into a network of agents to call.

July 202610 min readRead more