---

name: agy-native description: 'Run a supplied task in headless AGY (Antigravity, Gemini) and collect its result. Use when: AGY, Antigravity or Gemini is requested by name; never a fallback.' practices: [team-topologies, design-by-contract] hexagonal_role: driving-adapter consumes: [explicit-packet] produces: [agy-run-evidence] context_rel:

• kind: separate-ways with: codex-exec skill_api_version: 1 user-invocable: true metadata: tier: cross-vendor dependencies: [] capabilities: [dispatch_explicit_packet, provide_fresh_context] effects: [start_agy_session] canonical_status: canonical disposition: keep_optional_adapter output_contract: AGY runtime evidence

---

AGY Native

Run a supplied packet in AGY (Antigravity) only when the caller explicitly selects that runtime. Scope the run to the supplied workspace and packet, return runtime evidence, and stop.

Before launch

1. Read the live surface. Run agy --help for flags and defaults and agy models for the current model set. The CLI changes faster than skill text. Wrapper drift is a run built from remembered syntax that silently changed: it looks scoped and is not.
2. Absent means stop. If agy is missing or its help cannot be read, report the absence and stop. Never fall back silently to Codex, Claude or any other runtime; a substitute needs a new caller selection. Nothing routes work to AGY on its own either. The repository reviewer library rates AGY a routine-tier, degraded-fallback reviewer; that rating applies only when a caller opts in, and it is not an automatic route.
3. Set an explicit bound. Print mode (agy -p / --print) is the headless path, and it has no built-in limit: --print-timeout defaults to 0, which waits until the turn completes (AGY 1.2.14). Pass --print-timeout from the caller's remaining deadline and hold the same bound outside the process. A run stopped at the bound is a timeout, not a result.
4. Name the posture (below) and confirm the packet's declared effects and the caller's authorization cover it.
5. Keep author and validator apart. A validator is a new run in a new conversation, never -c/--continue or --conversation <author-id>. A session that reviews its own work forfeits the fresh judgment that makes a validator's evidence usable. Validators stay read-only and hand judgment to Validate; they never write the core verdict.

Permission posture (disclose it; never assume it)

Flags choose the posture. Name the one used:

• No posture flag: AGY prompts for each tool permission. A headless run has no one to answer, so a prompt can stall it until the bound.
• --dangerously-skip-permissions: auto-approves every tool call. Use it only when the declared effects and the caller's authorization cover that blast radius.
• --sandbox: restricts the session's terminal access.
• --mode (plan, accept-edits): changes the execution mode; confirm its current meaning in agy --help.

Return

command:      exact argv (prompt by reference)
posture:      permission, sandbox and mode flags used
model:        requested model; observed model if AGY reported one, else unknown
conversation: id AGY reported, else unknown
bound:        --print-timeout value and the outer deadline
outcome:      exit status | timed out | not run (reason)
artifacts:    captured output and changed-file paths

AGY plugin, memory, permission, retry and session state are runtime facts; they never become AgentOps phase, queue or completion state. Installation, plugin mutation and recurring scheduling need separate explicit authorization.