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/etr/groundwork/work-on-next-tasknpx skills add etr/groundwork --skill work-on-next-taskgit clone --depth 1 https://github.com/etr/groundworkWhat 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 | $0.00031 | $0.01660 |
| Opus 5 | $0.00015 | $0.00830 |
| Sonnet 5 | $0.00006 | $0.00332 |
| Haiku 4.5 | $0.00003 | $0.00166 |
Grade A, and why
work-on-next-task 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Next Task Skill
Finds the next uncompleted task from {{specs_dir}}/tasks/ (or {{specs_dir}}/tasks.md) and delegates execution to the work-on skill.
Pre-flight: Model Recommendation
Your current effort level is {{effort_level}}.
Skip this step silently if effort is high, xhigh, or max (the scale is low < medium < high < xhigh < max, so xhigh and max are already above high) AND you are Sonnet or Opus.
If effort is low or medium (i.e. below high), you MUST show the recommendation prompt — regardless of model.
If you are not Sonnet or Opus, you MUST show the recommendation prompt - regardless of effort level.
Otherwise → use AskUserQuestion:
{
"questions": [{
"question": "Do you want to switch? Dependency resolution and task selection benefits from consistent reasoning.\n\nTo switch: cancel, run `/effort high` (and `/model sonnet` if on Haiku), then re-invoke this skill.",
"header": "Recommended: Sonnet or Opus at high effort",
"options": [
{ "label": "Continue" },
{ "label": "Cancel — I'll switch first" }
],
"multiSelect": false
}]
}
If the user selects "Cancel — I'll switch first": output the switching commands above and stop. Do not proceed with the skill.
Workflow
IMPORTANT: Your job is NOT to build a plan or build anything, it is to exclusively to find the next task to execute. Don't do planning or building until the full workflow is executed. If you find yourself planning or executing, STOP and follow the workflow.
Step 0: Resolve Project Context
Before loading specs, ensure project context is resolved:
- Monorepo check: Does
.groundwork.ymlexist at the repo root?- If yes → Is
{{project_name}}non-empty?- If empty → Invoke
Skill(skill="groundwork:select-project")to select a project, then restart this skill. - If set → Project is
{{project_name}}, specs at{{specs_dir}}/.
- If empty → Invoke
- If no → Continue (single-project repo).
- If yes → Is
- CWD mismatch check (monorepo only):
- Skip if not in monorepo mode or if the project was just selected in item 1 above.
- If CWD is the repo root → fine, proceed.
- Check which project's path CWD falls inside (compare against all projects in
.groundwork.yml). - If CWD is inside the selected project's path → fine, proceed.
- If CWD is inside a different project's path → warn via
AskUserQuestion:"You're working from
<cwd>(inside [cwd-project]), but the selected Groundwork project is [selected-project] ([selected-project-path]/). What would you like to do?"- "Switch to [cwd-project]"
- "Stay with [selected-project]"
If the user switches, invoke
Skill(skill="groundwork:select-project").
- If CWD doesn't match any project → proceed without warning (shared directory).
- Proceed with the resolved project context. All
{{specs_dir}}/paths will resolve to the correct location.
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.
- 2d ago First seen · 127 lines · 31 tokens per session scan A 9f8059dd640f
work-on-next-task is a skill published in the GitHub repository etr/groundwork (42 stars, last pushed 21d ago), licensed MIT. It adds 31 tokens to every session and 1,660 once invoked, about $0.0002 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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