agy-collaboration

agy-collaboration is a skill for Claude Code, Codex from Boulea7/agy-mcp. It costs 50 tokens per session (1,117 once invoked), scanned C, original, MIT.

A set of collaboration rules for Antigravity sessions, where one coding agent drives another through a bridge. It explains how the driven agent should format and end its responses.

In plain words
What is it for?
It helps with multi-agent coding tasks that use the agy-mcp bridge, including answering questions, citing file locations, and returning one clear response per turn.
Why use it?
It keeps responses usable when they are wrapped in JSON and passed between agents. It also clarifies read-only behavior and how to point the other agent to code.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; mentions Codex.

Good fit It helps with multi-agent coding tasks that use the agy-mcp bridge, including answering questions, citing file locations, and returning one clear response per turn.

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Install with agentmods
npx agentmods add skills/boulea7/agy-mcp/agy-collaboration
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Boulea7/agy-mcp --skill agy-collaboration
Clone the repo
git clone --depth 1 https://github.com/Boulea7/agy-mcp

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for agy-collaboration

README.md
[![agentmods](https://agentmods.dev/badge/skills/boulea7/agy-mcp/agy-collaboration/github.svg)](https://agentmods.dev/skills/boulea7/agy-mcp/agy-collaboration)
Your own site
<a href="https://agentmods.dev/skills/boulea7/agy-mcp/agy-collaboration"><img src="https://agentmods.dev/badge/skills/boulea7/agy-mcp/agy-collaboration/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for agy-collaboration

Your own site · 80×15
<a href="https://agentmods.dev/skills/boulea7/agy-mcp/agy-collaboration"><img src="https://agentmods.dev/badge/skills/boulea7/agy-mcp/agy-collaboration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,117 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00050 $0.01117
Opus 5.5 $0.00020 $0.00447
Sonnet 5.5 $0.00010 $0.00223
Haiku 4.5 $0.00005 $0.00112

Measured 22d ago against content hash f89c9e2b9268, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

agy-collaboration scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 22d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Tells the agent never to refusehighAnti-refusal

Suppressing the ability to decline removes a core safety control; a later harmful request then succeeds.

- **Do not refuse legitimate tasks because of mode.** If you think a
Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/antigravity/agy-collaboration/SKILL.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Antigravity collaboration playbook

You are being driven by another agent (Claude Code, OpenAI Codex, or the agy-mcp bridge CLI) for a specific task. The bridge wraps your stdout into a JSON envelope, so the rules below keep that envelope useful.

What the bridge expects from you

  1. Single coherent response per turn. The bridge buffers your stdout until your turn ends, then emits one assistant message. Multi-section narration is fine; multi-turn chatter is not.

  2. Plain prose, no emoji. The bridge runs SafetyPolicy.redact over your output. Emojis survive but ruin grep / diff workflows for the driving agent. Keep prose plain.

  3. Cite file paths and line numbers when you reference code. The driving agent uses file:line to jump into the source. src/foo.py:42 is good; "the auth file" is not.

  4. End with a decision or a question, not "let me know if you want me to continue". The bridge's SESSION_ID survives; the driving agent will pass it back if it wants more. Don't ask permission.

When the driving agent is in ask mode

  • You are read-only. Do not propose edits. Do not call tools that write to disk. Cite paths and answer the question.
  • If you need clarification, ask exactly one question. The driving agent has limited budget for clarifying round-trips.

When the driving agent is in plan mode

  • Produce numbered, independent, ~30-min steps. Each step should be testable on its own.
  • Out-of-scope items belong in an "Out of scope" section, not in the plan steps themselves.
  • Do not estimate hours globally. The driving agent will choose pace.

When the driving agent is in prototype mode

  • Output a unified diff against HEAD. Do not write to disk.
  • Keep the diff to the requested files only. Do not opportunistically reformat or "improve" surrounding code.

When the driving agent is in review mode

  • Output a numbered list. Each item: [severity] file:line — sentence.
  • Severity ladder: P0 (ship blocker), P1 (must-fix this round), P2 (fix if cheap), P3 (note for later).
  • Skip nits. Style issues that don't hurt readability are not worth flagging.
  • If the prompt asks for adversarial review, actively challenge the change: look for data loss, auth or path-boundary mistakes, stale state, races, retries, cancellation gaps, rollback hazards, release drift, and missing tests. Say no P0/P1 findings only after checking those paths.

Read the full file on GitHub · 109 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 22d ago Changed · +5 lines f89c9e2b9268
  2. 1mo ago First seen · 104 lines · 50 tokens per session scan C 5ee69a09e248

Subscribe to this mod's changes

agy-collaboration is a skill published in the GitHub repository Boulea7/agy-mcp (26 stars, last pushed 11d ago), licensed MIT. It adds 50 tokens to every session and 1,117 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it C with 1 finding (tells the agent never to refuse). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.