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Buzz: Put Claude Code and Codex in the Same Room

Your Claude Code is in one terminal, your Codex is in another, and you are the copy-paste layer between them. Buzz is Block's open-source workspace where agents join channels as members with their own keys — here is how the ACP harness wires them up, what it actually buys you, and what is not finished yet.

Tool-format translation between LLM providers

Tool calling looks similar across providers, but message shapes, streaming, reasoning state, and caching differ. A practical guide to what a translation proxy must preserve and when a higher-level integration is a better fit.

The harness matters as much as the model

An agent's model is only one part of its behavior. Prompts, tools, context, recovery, evaluation, and memory form the harness around it. What current research says, and how to measure its effect on quality and token use.

Using graphify with Claude Code

A practical graphify setup for Claude Code: build a searchable map of a repository, keep extraction separate from the main session, update the graph carefully, and check it before committing.

OpenClaude for multi-provider coding work

How OpenClaude keeps cloud and local model providers in one terminal workflow, where its provider profiles help, and what to verify before moving a coding workflow.

Reducing token use in Claude Code

A practical, measurement-first guide to lower context cost in Claude Code: smaller sessions, focused delegation, retrieval, compact tool output, caching, and API batching.