Cc agy

CLI tools skills for AI coding assistants (Claude Code, Codex, Gemini CLI).

Install

npx -y skills add Dianel555/DSkills --skill cc-agy

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What its author says it does

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Delegates coding/research tasks to the Google Antigravity CLI (`agy`) for external-model execution (Gemini 3.x, Claude Sonnet/Opus 4.6, GPT-OSS). Replaces the broken `collaborating-with-gemini` skill. Use when: (1) External-model delegation via Antigravity, (2) Multi-model prototyping (switch model per call), (3) Backend/logic implementation, (4) Algorithm design and optimization, (5) Bug analysis and debugging, (6) API/database code generation, (7) Code review. Triggers: "delegate to agy", "use Antigravity", "external model", "agy", "Gemini 3.5", "Claude Sonnet 4.6", "GPT-OSS". IMPORTANT: Always request unified diff patches only. Supports multi-turn sessions via SESSION_ID.

SKILL.md

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Quick Start

python scripts/agy_bridge.py --cd "/path/to/project" --PROMPT "Your task"

Output: JSON with success, SESSION_ID, agent_messages, and optional error / stderr.

Parameters

usage: agy_bridge.py [-h] --PROMPT PROMPT --cd CD
                     [--model MODEL] [--SESSION_ID SESSION_ID]
                     [--sandbox] [--no-skip-permissions]
                     [--print-timeout PRINT_TIMEOUT]
                     [--return-all-messages]
                     {check,plugin} ...

Antigravity (agy) Bridge

options:
  -h, --help            show this help message and exit
  --PROMPT PROMPT       Instruction for the task to send to agy.
  --cd CD               Workspace root for agy (sets cwd + --add-dir).
  --model MODEL         Model alias (flash-low/medium/high, pro-low/high, sonnet,
                        opus, gpt-oss) or canonical string. Omit to use the
                        settings.json default.
  --SESSION_ID SESSION_ID
                        Resume a conversation by UUID. Maps to agy --conversation.
  --sandbox             Run in agy sandbox mode.
  --no-skip-permissions
                        Do NOT pass --dangerously-skip-permissions. WARNING:
                        with default toolPermission=request-review, print mode
                        WILL HANG. Only for interactive review workflows.
  --print-timeout PRINT_TIMEOUT
                        agy --print-timeout (e.g. 5m, 10m). Default 10m.
  --return-all-messages
                        Include reasoning + all type=15 steps in the response.

subcommands:
  check                 Probe agy install / version / auth / current model.
  plugin                Thin passthrough to `agy plugin list|import|install|enable|disable`.

Multi-turn Sessions

Always capture SESSION_ID from the first response for follow-up (maps to agy --conversation <UUID>, which appends to the same conversation DB):

# Initial task
python scripts/agy_bridge.py --cd "/project" --PROMPT "Analyze auth in login.py"

# Continue with SESSION_ID
python scripts/agy_bridge.py --cd "/project" --SESSION_ID "uuid-from-response" --PROMPT "Write unit tests for that"

Common Patterns

Prototyping (request diffs):

python scripts/agy_bridge.py --cd "/project" --PROMPT "Generate unified diff to add logging" --model pro

Switch model per call:

python scripts/agy_bridge.py --cd "/project" --PROMPT "Review this Rust" --model sonnet
python scripts/agy_bridge.py --cd "/project" --PROMPT "Same code" --model opus

Setup check:

python scripts/agy_bridge.py check

Manage skills/plugins (passthrough to agy):

python scripts/agy_bridge.py plugin list
python scripts/agy_bridge.py plugin import /path/to/plugin

How It Works

agy --print writes nothing to stdout. The bridge instead runs agy, discovers the new conversation SQLite DB at ~/.gemini/antigravity-cli/conversations/<UUID>.db, and extracts the assistant reply from the last step_type=15 row's step_payload protobuf (field f20 → f1). MCP servers (~/.gemini/antigravity/mcp_config.json), the memory doc (~/.gemini/GEMINI.md), and skills are pre-configured by the user and auto-loaded by agy — the bridge does not manage them.

Security Note

By default the bridge passes --dangerously-skip-permissions to agy. This is mandatory for non-interactive --print mode because agy's default toolPermission is request-review, which blocks waiting for a human to approve tool calls — and since --print captures no TTY, the process hangs until timeout. With --dangerously-skip-permissions, agy auto-approves all tool calls. Only pass --no-skip-permissions if agy can service interactive permission prompts. The bridge always runs under a hard outer timeout (--print-timeout + 60s) so a hung agy cannot block indefinitely.

Known Limitations

Protobuf extraction is schema-dependent. The bridge parses agy's conversation DB without a .proto file, reading the reply from field f1 inside field f20 of the last step_type=15 row. If agy changes its internal schema, extraction returns empty. Fix location: extract_answer() in scripts/agy_bridge.py.
agy models returns empty on this build; model aliases are hardcoded.
--continue is intentionally NOT exposed (target selection is opaque); use --SESSION_ID to resume a specific conversation.