GitHub Next (@GitHubNext) introduced Chopin, an early open-source prototype for real-time, multiplayer, visual agentic planning so teams can align on a plan before handing work to agents; more development is planned over the coming months.
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@_avichawla covered Beacon by Asymptote Labs (github.com/Asymptote-Labs/agent-beacon): a cross-harness memory layer for Claude Code, Codex, Cursor, OpenCode, and 20+ more. It captures full session history, uses Jev to score evidence/reuse/human-correction signal, and promotes high-signal workflows into reusable skills so lessons transfer across harnesses.
@akshay_pachaar highlighted HarnessRouter (github.com/HarnessRouter/harnessrouter, Apache-2.0): an “OpenRouter for agent harnesses” implementing the Unified Harness Protocol (UHP) so Codex, Claude Code, Hermes, DeepSeek Harness, System One (Jev), and 9+ other harnesses share one API for sessions, streaming, files, cancellation, and failure handling—self-hosted with your own keys.
@rakyll (Jaana Dogan) announced github.com/agent-substrate/env (Apache-2.0): an isolated, snapshottable environment layer on Agent Substrate with ate-env CLI/API and guest daemon, plus a built-in MCP server exposing filesystem and shell tools so any MCP client can try Substrate without writing integration code first (API still alpha).
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