Claude Code sessions can message each other — demo shows agent-to-agent collaboration

dejanseo · x · 2026-11-08

Developer dejanseo discovered that separate Claude Code sessions can talk to each other, sharing a screenshot demo: a Roo-mode session writes a structured proposal to another Claude session working on scrape functionality — moving large scraped HTML to Cloud Storage while Postgres keeps only the latest version per URL, and adding a BigQuery row per re-scrape for history. The message covers how GSC storage works now, the proposal, and lessons (test small, make reruns safe, log row counts). The receiving session accurately read and summarized it, confirming the cross-session communication. Useful pattern for multi-agent collaboration on complex designs.

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