UKHO.GitHubCopilot.ToolKit: Agent for Claude Code

.github/agents/create-test-plan.agent.md

Create Test Plan is an agent for Claude Code from UKHO/UKHO.GitHubCopilot.ToolKit. It costs 29 tokens per session (989 once invoked), scanned A, original, MIT.

A planning tool that turns findings from a work-package test review into a new numbered test-improvement plan. The plan contains ordered work items and guidance for checking and undoing changes.

In plain words
What is it for?
Use it to prioritize testing fixes, define execution checklists, add validation commands and rollback guidance, and record related documentation tasks under ./docs/00x-work/plans/.
Why use it?
It makes testing gaps actionable instead of leaving them as review notes. It preserves earlier plans while connecting each improvement to the finding that prompted it.

Agent for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: model in frontmatter.

This is UKHO/UKHO.GitHubCopilot.ToolKit's own configuration. It tells Claude Code how to work on UKHO.GitHubCopilot.ToolKit itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything UKHO.GitHubCopilot.ToolKit configures →

Reuse

Borrowing it

Nothing to install: this file belongs to UKHO/UKHO.GitHubCopilot.ToolKit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/UKHO/UKHO.GitHubCopilot.ToolKit/main/.github/agents/create-test-plan.agent.md
Clone the repo
git clone --depth 1 https://github.com/UKHO/UKHO.GitHubCopilot.ToolKit

Made for: Claude Code.

Wrote 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.

agentmods badge for Create Test Plan

README.md
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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.

agentmods 80×15 button for Create Test Plan

Your own site · 80×15
<a href="https://agentmods.dev/agents/ukho/ukho.githubcopilot.toolkit/create-test-plan"><img src="https://agentmods.dev/badge/agents/ukho/ukho.githubcopilot.toolkit/create-test-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 989 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00029 $0.00989
Opus 5.5 $0.00012 $0.00396
Sonnet 5.5 $0.00006 $0.00198
Haiku 4.5 $0.00003 $0.00099

Measured 1mo ago against content hash 013f5e0c246a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

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 1mo 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.

.github/agents/create-test-plan.agent.md · 80 lines

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

  1. Start from the existing review report and work-package artifacts before scanning wider repository context.
  2. Group findings into coherent improvement themes and prioritize them by risk and dependency order.
  3. Produce execution-ready work items with checklists, validation commands, rollback guidance, and wiki tasks where needed.
  4. 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.md before 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, F2 throughout 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 build and dotnet test if exact commands cannot be inferred.

Read the full file on GitHub · 80 lines

Changes

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.

  1. 1mo ago First seen · 80 lines · 29 tokens per session scan A 013f5e0c246a

Subscribe to this mod's changes

Create Test Plan is an agent published in the GitHub repository UKHO/UKHO.GitHubCopilot.ToolKit (1 stars, last pushed 4mo ago), licensed MIT. It adds 29 tokens to every session and 989 once invoked, about $0.0001 per session on Opus 5.5. 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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