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.
npx agentmods add skills/jayvee/aigon/aigon-feature-opennpx skills add jayvee/aigon --skill aigon-feature-opengit clone --depth 1 https://github.com/jayvee/aigonWrote 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.
[](https://agentmods.dev/skills/jayvee/aigon/aigon-feature-open)<a href="https://agentmods.dev/skills/jayvee/aigon/aigon-feature-open"><img src="https://agentmods.dev/badge/skills/jayvee/aigon/aigon-feature-open.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00014 | $0.00479 |
| Opus 5 | $0.00007 | $0.00239 |
| Sonnet 5 | $0.00003 | $0.00096 |
| Haiku 4.5 | $0.00001 | $0.00048 |
Grade A, and why
aigon-feature-open scanned grade A with 0 findings 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 5d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
feature-open
Open a feature worktree in terminal and automatically start the AI agent with aigon-feature-do.
Usage
aigon-feature-open [feature-id] [agent-code]
aigon-feature-open— open the most recently created worktreeaigon-feature-open 77— open any worktree for feature 77aigon-feature-open 77 cx— open specifically the cx (Codex) worktree for feature 77
Agent Mappings
| Code | Agent | Command | Mode |
|---|---|---|---|
| cc | Claude Code | claude --permission-mode acceptEdits |
Auto-edits, prompts for risky Bash |
| cu | Cursor | agent --force |
Auto-approves commands (yolo mode) |
| ag | Antigravity | agy --dangerously-skip-permissions |
Auto-approves all |
| cx | Codex | codex --full-auto |
Workspace-write, smart approval |
Safe in worktrees since you can always git reset --hard.
Permission Tips
When an agent asks for permission, here's how to quickly allow:
| Agent | Allow once | Allow always | Toggle full-auto |
|---|---|---|---|
| Claude Code | Press Enter at prompt | Choose "Always allow" at prompt | Shift+Tab cycles modes |
| Cursor | Click "Run" | Click "Add to allowlist" | Enable YOLO in settings |
| Codex | Approve at prompt | "Allow and remember" (session) | /mode command |
Step 1: Run the CLI command
aigon feature-open $ARGUMENTS
This will:
- Find the matching worktree
- Create a Warp launch configuration
- Open Warp with the worktree directory
- Auto-run the agent CLI with
aigon-feature-do <ID>
Step 2: Confirm to user
Tell the user:
- Which worktree was opened
- Which agent was launched with which feature ID
- That the agent should start implementing automatically
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.
- 5d ago First seen · 59 lines · 14 tokens per session scan A e7ca2f282cc8
aigon-feature-open is a skill published in the GitHub repository jayvee/aigon (24 stars, last pushed 4d ago), licensed Apache-2.0. It adds 14 tokens to every session and 479 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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