Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/basilisk-labs/agentplanenpx agentmods add skills/basilisk-labs/agentplane/agentplane-testkit-migrationWrote 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/basilisk-labs/agentplane/agentplane-testkit-migration)<a href="https://agentmods.dev/skills/basilisk-labs/agentplane/agentplane-testkit-migration"><img src="https://agentmods.dev/badge/skills/basilisk-labs/agentplane/agentplane-testkit-migration/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/basilisk-labs/agentplane/agentplane-testkit-migration"><img src="https://agentmods.dev/badge/skills/basilisk-labs/agentplane/agentplane-testkit-migration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00049 | $0.00641 |
| Opus 5.5 | $0.00020 | $0.00256 |
| Sonnet 5.5 | $0.00010 | $0.00128 |
| Haiku 4.5 | $0.00005 | $0.00064 |
Grade A, and why
agentplane-testkit-migration 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.
How it starts
The opening of the file, as written. The whole thing — 70 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agentplane Testkit Migration
Use This Skill When
- A task mentions
@agentplane/testkit,run-cli.test-helpers, shared fixtures, Vitest wrappers, or test helper duplication. - CI/build fails because
packages/agentplane/src/testing/*cannot import../../../testkit/dist/*. - A large test file is being split into scenario-focused suites.
- Tests use local helper clones that should move behind the canonical testkit surface.
Source Of Truth
Prefer exported testkit surfaces over deep imports or local helper copies. Before adding a helper, search for an existing one:
rg -n "tempRepo|mockTaskBackend|mockPrApi|mockConfig|describeWhen|runCliSilent|installRunCliIntegrationHarness" packages/testkit packages/agentplane/src
Migration Steps
- Identify the test family: CLI PR flow, task lifecycle, release/upgrade, runner, recipes, Redmine/backend, or scripts.
- Replace local setup with canonical testkit helpers:
- repository setup:
tempRepo, git helpers, config writers - backend setup: mock task backend helpers
- GitHub PR setup: mock PR API helpers
- suite gating:
describeWhenEnvPresent,describeWhenNotHook,describeCritical
- repository setup:
- Keep compatibility exports in
packages/agentplane/src/testing/index.tsonly as a bridge. The canonical implementation belongs inpackages/testkit. - If
agentplane buildimports from../../../testkit/dist/*, ensure@agentplane/testkitis built beforeagentplane. - Remove obsolete shims only after
rgproves no imports remain.
Build-Safe Export Checklist
When adding or moving a helper:
- Export it from the package-local module where it is implemented.
- Export it from the public testkit barrel.
- Export compatibility aliases only where existing agentplane tests still depend on them.
- Run both focused tests and package builds.
Common failure:
Module "../testing/index.js" has no exported member ...
Cannot find module "../../../testkit/dist/index.js"
Interpretation: the helper was migrated without a complete export chain, or build order skipped testkit.
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.
- 1mo ago First seen · 70 lines · 49 tokens per session scan A aa994bb1cb16
agentplane-testkit-migration is a skill published in the GitHub repository basilisk-labs/agentplane (88 stars, last pushed 3d ago), licensed MIT. It adds 49 tokens to every session and 641 once invoked, about $0.0002 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 2026-08-30.
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