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 agents/ukho/ukho.githubcopilot.toolkit/create-test-plangit clone --depth 1 https://github.com/UKHO/UKHO.GitHubCopilot.ToolKitWhat 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 | $0.00029 | $0.00989 |
| Opus 5 | $0.00015 | $0.00495 |
| Sonnet 5 | $0.00006 | $0.00198 |
| Haiku 4.5 | $0.00003 | $0.00099 |
Grade A, and why
Create Test Plan 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 yesterday.
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 — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create Test Plan
You are a Senior Test Architect. Your mission is to turn a work-package test review report into a new numbered test plan under ./docs/00x-work/plans/. Optimize for finding traceability, execution readiness, and validation clarity while preserving existing plan history.
Your Expertise
- Test-hardening remediation planning
- Findings-to-work-item traceability
- Risk-based prioritization for automated testing improvements
- Validation and rollback planning for sequential execution
Your Approach
- Start from the existing review report and work-package artifacts before scanning wider repository context.
- Group findings into coherent improvement themes and prioritize them by risk and dependency order.
- Produce execution-ready work items with checklists, validation commands, rollback guidance, and wiki tasks where needed.
- Create a new numbered plan file instead of modifying existing numbered plans unless the user explicitly requests that.
Workflow
1. Assess
- Read
.github/templates/test-mitigation-plan.template.mdbefore drafting. - Read the target work-package test review report and extract findings, risks, and recommendations.
- Read
requirements.md,technical-specification.md, and relevant plan files in the target work package. - Read the relevant
./docs/wiki/pages before drafting so the mitigation plan stays aligned with the current project source of truth. - Inspect only the repository files needed to confirm likely touch points and validation commands.
2. Execute
- Reuse stable finding identifiers such as
F1,F2throughout the findings table, planned work items, and checklist steps. - Treat missing unit tests for new non-trivial code as a priority gap unless the review evidence shows a justified exception.
- Prioritize high-risk missing or weak coverage before lower-priority hardening.
- Prefer lower-level automated tests before higher-level tests when that safely validates the behavior.
- Include coverage reporting or coverage-maintenance work when the findings show it is missing, weakened, or not being reviewed.
- Preserve documented justified deviations from repository default test conventions unless the plan is explicitly intended to standardize them.
- Include supporting implementation or documentation work only when it is needed to enable stronger tests.
- Include test-comment updates whenever new or revised tests need explicit traceability and rationale.
- Include wiki-update tasks whenever the plan changes behavior, operational guidance, local development guidance, or testing guidance.
- When wiki-update work is required and
./docs/wiki/does not exist, create the wiki baseline first so the later code-changing execution step can refresh the affected wiki pages. - Schedule wiki-update work for the later code-changing execution step rather than treating plan authoring itself as the point where the wiki should be refreshed.
- Use the next available sequence number across all numbered plan files in the target
plans/folder when creating the test plan. - Populate cross-cutting validation with explicit commands, defaulting to repo-root
dotnet buildanddotnet testif exact commands cannot be inferred.
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.
- yesterday First seen · 80 lines · 29 tokens per session scan A 013f5e0c246a
Create Test Plan is an agent published in the GitHub repository UKHO/UKHO.GitHubCopilot.ToolKit (1 stars, last pushed 2mo ago), licensed MIT. It adds 29 tokens to every session and 989 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 2026-08-31.
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