docs: document Antigravity and VS Code Codex extension support (#36)

Both read AGENTS.md, which the repo already ships, so ponytail works
from the repo root with no extra setup. Add agent-portability rows and a
README note. Instruction-tier (no /ponytail levels or hooks).

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
DietrichGebert
2026-06-14 23:40:53 +02:00
committed by GitHub
co-authored by Claude Opus 4.8
parent 16319c7bc9
commit 94d231cd32
2 changed files with 4 additions and 0 deletions
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@@ -17,6 +17,8 @@ to load in a given agent.
| Cline | `.clinerules/ponytail.md` | Project rule. |
| GitHub Copilot | `.github/copilot-instructions.md` | Repository instruction file. |
| GitHub Copilot CLI | `AGENTS.md`, `.github/copilot-instructions.md`, `~/.copilot/copilot-instructions.md` | Reads custom instructions: per-project from `AGENTS.md` or `.github/copilot-instructions.md`, or globally from `~/.copilot/copilot-instructions.md`. Instruction-tier (no `/ponytail` levels or hooks). |
| Antigravity | `AGENTS.md` | Reads `AGENTS.md` at the repo root as always-on rules (like `.cursorrules`/`CLAUDE.md`); `.agents/rules/` also works for workspace rules. Instruction-tier. |
| VS Code + Codex extension | `AGENTS.md` | The Codex extension reads `AGENTS.md` (repo root, or `~/.codex/AGENTS.md` globally). Instruction-tier; the full Codex plugin row above adds `/ponytail` levels and hooks. |
| Kiro | `.kiro/steering/ponytail.md` | Steering rule; copy globally or into a project. |
| Generic agents | `AGENTS.md` or `skills/*/SKILL.md` | Copy the compact rule file or load the skill files directly. |