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 skills add joe-broadhead/open-cowork --skill gateway-plannergit clone --depth 1 https://github.com/joe-broadhead/open-coworkWrote 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/joe-broadhead/open-cowork/gateway-planner)<a href="https://agentmods.dev/skills/joe-broadhead/open-cowork/gateway-planner"><img src="https://agentmods.dev/badge/skills/joe-broadhead/open-cowork/gateway-planner/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.
<a href="https://agentmods.dev/skills/joe-broadhead/open-cowork/gateway-planner"><img src="https://agentmods.dev/badge/skills/joe-broadhead/open-cowork/gateway-planner.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00017 | $0.00419 |
| Opus 5 | $0.00009 | $0.00210 |
| Sonnet 5 | $0.00003 | $0.00084 |
| Haiku 4.5 | $0.00002 | $0.00042 |
Grade A, and why
gateway-planner 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 12d 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
Gateway Planner
Use this skill when planning work with OpenCode Gateway.
Operating Model
- Treat Gateway SQLite roadmaps, tasks, runs, and channel bindings as the durable execution state.
- Do not edit Gateway database files directly.
- Use Gateway MCP tools for roadmaps, tasks, runs, and workflow events.
Tools
gateway_roadmap_createcreates a durable roadmap.gateway_roadmap_listlists roadmaps.gateway_task_createcreates concrete scheduler tasks.gateway_task_listlists task state.gateway_task_getinspects one task.gateway_run_listlists recent execution runs.gateway_run_getinspects one run.gateway_work_eventslists Gateway-owned workflow events.
Planning Flow
- Clarify the outcome, artifact type, acceptance criteria, and definition of done.
- Create a roadmap for multi-step work.
- Create small tasks with clear titles, descriptions, priorities, and acceptance notes.
- Prefer the default pipeline
implement -> review -> verifyunless the work clearly needs a custom pipeline. - Put background knowledge, decisions, acceptance criteria, definition of done, required artifacts, and verification evidence in task descriptions, notes, or
qualitySpec. - Surface user questions only when execution cannot safely continue.
Task Creation Guidance
- Keep tasks independently reviewable.
- Include expected artifacts, definition of done, and verification path in
qualitySpecwhen available; usenotefor lightweight context. - Remember tasks may be code, docs, slides, research, operations, or external-system changes. Make the review/verify criteria artifact-specific.
- Use
HIGHonly for tasks that should preempt other work. - Do not mark work done manually unless the user explicitly asks.
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.
- 12d ago First seen · 48 lines · 17 tokens per session scan A d11ea90794fe
gateway-planner is a skill published in the GitHub repository joe-broadhead/open-cowork (11 stars, last pushed today), licensed MIT. It adds 17 tokens to every session and 419 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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