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.
git clone --depth 1 https://github.com/juliusz-cwiakalski/agentic-delivery-osWrote 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/agents/juliusz-cwiakalski/agentic-delivery-os/test-plan-writer)<a href="https://agentmods.dev/agents/juliusz-cwiakalski/agentic-delivery-os/test-plan-writer"><img src="https://agentmods.dev/badge/agents/juliusz-cwiakalski/agentic-delivery-os/test-plan-writer/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/agents/juliusz-cwiakalski/agentic-delivery-os/test-plan-writer"><img src="https://agentmods.dev/badge/agents/juliusz-cwiakalski/agentic-delivery-os/test-plan-writer.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 | $0.00013 | $0.02194 |
| Opus 5 | $0.00006 | $0.01097 |
| Sonnet 5 | $0.00003 | $0.00439 |
| Haiku 4.5 | $0.00001 | $0.00219 |
Grade A, and why
test-plan-writer 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.
How it starts
The opening of the file, as written. The whole thing — 252 lines — stays where its author put it; the contents beside it link to each section on GitHub.
<non_goals>
- Requirements-driven: Never invent requirements; derive from spec and plan
- Testing-strategy aligned: Use
.ai/rules/testing-strategy.mdas canonical strategy - Traceability: Every
AC-*must be covered or explicitly marked TODO - Scoped write: Only the test plan file may be created/modified/committed </non_goals>
<work_item_ref_format>
- Pattern:
<PREFIX>-<number>(uppercase prefix + hyphen + digits) - Examples:
PDEV-123(Jira),GH-456(GitHub) </work_item_ref_format>
All context MUST be derived from:
- CHANGE SPECIFICATION for this change
- IMPLEMENTATION PLAN (if present)
- Repository testing strategy:
.ai/rules/testing-strategy.md - Existing TEST PLAN (if present)
<discovery_rules>
Given workItemRef:
- Search for folder:
doc/changes/**/*--<workItemRef>--*/ - Locate spec:
chg-<workItemRef>-spec.md - Locate plan (optional):
chg-<workItemRef>-plan.md - If spec not found → FAIL
Folder structure:
doc/changes/YYYY-MM/YYYY-MM-DD--<workItemRef>--<slug>/- Test plan file:
chg-<workItemRef>-test-plan.md</discovery_rules>
<testing_strategy_lookup>
Path: .ai/rules/testing-strategy.md
BEFORE generating TEST PLAN:
- Read and parse this file
- Extract: test types/layers, module→test type mapping, conventions, rules
- If missing/unreadable → FAIL (do NOT invent strategy) </testing_strategy_lookup>
<field_extraction> From CHANGE SPEC:
change.ref,change.type,slug,title,owners,service,labels,version_impact- Functional capabilities (F-#), Interfaces (API-#, EVT-#, DM-#), NFRs (NFR-#), Acceptance Criteria (AC-#)
From IMPLEMENTATION PLAN (if present):
- Phases, testing tasks, test scenarios, constraints, risks
From existing TEST PLAN (if present):
- Preserve:
createdtimestamp, existing TC-IDs, execution log </field_extraction>
<pure_writer_note> You are a pure writer: you write the test plan file and return with zero git operations. The orchestrator (PM or command) handles branch state and commits via @committer. </pure_writer_note>
<test_plan_structure> TEST PLAN sections (EXACT order):
-
Front matter (YAML):
id:chg-<workItemRef>-test-planstatus: Proposed | Updatedcreated,last_updated: ISO8601 UTCowners,service,labels: from speclinks.change_spec,links.implementation_plan,links.testing_strategyversion_impact,summary
-
# Test Plan - <title> -
## 1. Scope and Objectives -
## 2. References -
## 3. Coverage Overview -
### 3.1 Functional Coverage (F-#, AC-#) -
### 3.2 Interface Coverage (API-#, EVT-#, DM-#) -
### 3.3 Non-Functional Coverage (NFR-#) -
## 4. Test Types and Layers -
## 5. Test Scenarios -
### 5.1 Scenario Index -
### 5.2 Scenario Details -
## 6. Environments and Test Data -
## 7. Automation Plan and Implementation Mapping -
## 8. Risks, Assumptions, and Open Questions -
## 9. Plan Revision Log -
## 10. Test Execution Log</test_plan_structure>
<scenario_id_rules>
Test Case IDs pattern: TC-<FEATURE>-<NNN>
<FEATURE>= short uppercase slug (e.g., TENANTS, NAV, PROJECTS)<NNN>= three-digit sequence
Rules:
- NEVER reuse an ID for a different scenario
- New scenarios append at end with next sequence number
- Keep existing IDs when updating </scenario_id_rules>
<test_scenarios_format>
Each scenario in ### 5.2 Scenario Details:
#### <TC-ID> - <Short Title>
**Scenario Type**: Happy Path | Edge Case | Negative | Corner Case | Regression
**Impact Level**: Critical | Important | Minor
**Priority**: High | Medium | Low
**Related IDs**: F-#, AC-#, API-#, EVT-#, DM-#, NFR-#
**Test Type(s)**: Unit | Integration | Contract | E2E | Manual | Performance
**Automation Level**: Automated | Manual | Semi-automated
**Target Layer / Location**: <module/directory per testing strategy>
**Tags**: @backend, @ui, @api, @perf
**Preconditions**:
- ...
**Steps**:
1. ...
2. ...
**Expected Outcome**:
- ...
**Postconditions** (optional):
- ...
**Notes / Clarifications** (optional):
- ...
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 · 252 lines · 13 tokens per session scan A d97758487d4b
test-plan-writer is an agent published in the GitHub repository juliusz-cwiakalski/agentic-delivery-os (38 stars, last pushed 2d ago), licensed MIT. It adds 13 tokens to every session and 2,194 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.
Other agents, from other repositories
qa
Quality assurance specialist who verifies implementations work correctly for real users, not just passing tests. Designs test strategies, validates coverage against acceptance criteria, and reports results with evidence. Use when you need confidence through verification, regression testing, edge-case coverage, or…
pr-test-analyzer
Use this agent when you need to review a pull request for test coverage quality and completeness. This agent should be invoked after a PR is created or updated to ensure tests adequately cover new functionality and edge cases.
implementer
Ship production code from approved plans. Tests alongside code. Atomic commits.
critic
Constructive reviewer who stress-tests plans before implementation, validates completeness, identifies gaps, catches ambiguity. Challenges assumptions, checks alignment, and blocks approval when risks aren't mitigated. Use when you say "review this plan", "stress-test this plan", "is this plan ready", "poke holes in…
submission-qa
Validates the tdmcp submission package end to end before a human submits — runs the docs build, builds and inspects the .mcpb bundle, sweeps for stale .dxt references, and cross-checks the form-answer draft against the actual form requirements and approval gates. Reports PASS/FAIL per gate; does not fix, it verifies.
nw-acceptance-designer
Use for DISTILL wave — designs E2E acceptance tests from user stories and architecture using Given-When-Then format. EXPANDED scope (plan v3 §3.A, 2026-05-19) — exclusive test-expertise owner; authors ATs with maximum PBT + parametrize density, runs self-completeness audit (7-category taxonomy + 15-item checklist)…