idun-agent-platform
Open-source runtime that turns a LangGraph or Google ADK agent into a production-ready FastAPI service, with a chat UI, guardrails, MCP support, OpenTelemetry and OIDC. Self-hosted.

Open-source runtime that turns a LangGraph or Google ADK agent into a production-ready FastAPI service, with a chat UI, guardrails, MCP support, OpenTelemetry and OIDC. Self-hosted.
Lets you hand tasks from Claude Code to Google's Antigravity CLI (agy, powered by Gemini) and bring the results back into your session, with helpers for reading its output and writing prompts for it.
Internal helper contract for calling the antigravity companion runtime from Claude Code
How to interpret Antigravity companion output — successful responses, quota/auth/backend errors, and applying file changes
How to write effective prompts for Google Antigravity / Gemini 3.5 agents (used when delegating to or reviewing with the…
Idun coding-guideline review against the active rule set.
Proactively use when Claude Code should hand a substantial build/debug/refactor task to Google Antigravity (Gemini 3.5), wants a…
Cancel a running background Antigravity job.
Hand a task to Antigravity (Gemini 3.5) and get the result back inside Claude Code.
Show the final output (and conversation id) of a finished Antigravity job.
Continue the most recent Antigravity (Gemini 3.5) conversation with a follow-up.
Cross-model code review of your changes by Gemini 3.5 (read-only, contained).
Check whether the Antigravity CLI (agy, Gemini 3.5) is installed and signed in, and install it if it's missing.
Show running and recent Antigravity jobs for this repo.
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