Agent skill

Product Analyze

by tikalk in tikalk/adlc-team-skills

A skill your agent uses when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness.

MITAuto-check passedProduct & Project Management

Install Product Analyze

skills CLI
$ npx skills add tikalk/adlc-team-skills --skill product-analyze -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install tikalk/adlc-team-skills product-analyze --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/tikalk/adlc-team-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/product/product-analyze .claude/skills/product-analyze && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
product-analyze
GitHub stars
141
Token cost
~1.7k tokens
SKILL.md length
515 words
Files
3 (incl. scripts)
Skills in repo
44
Repo updated
First seen
Licence
MIT

At a glance

A skill your agent uses when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness.

  • Works in 8 steps: Load Artifacts → PDR Quality Analysis → Inter-PDR Consistency → …
  • Checking PDR↔PRD consistency after /product-implement
  • SKILL.md covers What this skill does, When to use, When NOT to use and Execution Steps, plus 4 more sections
  • Runs Shell and PowerShell scripts from its folder

What it does

Product Analyze is an agent skill from tikalk/adlc-team-skills. Use when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness.

Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including scripts (for example `scripts/bash/setup-product-analyze.sh`).

It sits in Product & Project Management, covering PRD writing. The repository describes itself as: Agent skills for the Agentic SDLC: team lifecycle (team-boot, team-learn, team-init, team-repair), software factory, evals, CDR lifecycle with confidence scoring, and… The licence is MIT.

When your agent uses it

  • Checking PDR↔PRD consistency after /product-implement
  • Periodically to detect drift
  • PDR quality issues
  • Cross-PDR conflicts

Example prompts

  • “/product-analyze”

Requirements

  • A Bash shell
  • PowerShell

Workflow steps

8 steps, taken from the step headings in SKILL.md.

  1. Load Artifacts
  2. PDR Quality Analysis
  3. Inter-PDR Consistency
  4. PDR→PRD Drift (Forward Sync)
  5. PRD→PDR Drift (Backward Sync)
  6. Staleness Detection
  7. Severity Assignment
  8. Generate Report

What it can do on your machine

Read from SKILL.md and the folder at commit 2dbed36. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 2 files in scripts/ (Shell and PowerShell), which the agent can run.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Product Analyze loads about 1.7k tokens when it runs. Until then it costs about 42 tokens; SKILL.md has 515 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~42
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from tikalk/adlc-team-skills at commit 2dbed36, republished under its MIT licence (© tikalk). 515 words, ~1,731 tokens.

Download SKILL.mdSave it as .claude/skills/product-analyze/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
product-analyze
description
Use when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness.
disable-model-invocation
true

product-analyze

What this skill does

Performs read-only product consistency analysis:

  1. PDR Quality — completeness, clarity, standards compliance
  2. PDR→PRD Drift — decisions not reflected in PRD
  3. PRD→PDR Drift — PRD elements without supporting PDRs
  4. Cross-PDR Consistency — conflicts between PDRs
  5. Staleness — outdated references, placeholders, deprecated PDRs still referenced

Output: Structured markdown analysis report (no files modified)

When to use

  • After /product-implement to validate generated PRD
  • After /product-clarify to verify refinements
  • Before feature development to ensure product is solid
  • Periodically to detect drift as product evolves

When NOT to use

  • No product artifacts exist (use /product-init or /product-specify first)
  • You want to modify files (this is analysis-only)

Execution Steps

Phase 1: Load Artifacts
bash
sh: scripts/bash/setup-product-analyze.sh [--json]
ps: scripts/powershell/setup-product-analyze.ps1

Read:

  • docs/adlc/product/PRD.md (legacy repo-root PRD.md fallback — ADR-401 dual-read)
  • {REPO_ROOT}/.adlc/drafts/pdr/PDR-*.md (individual PDR files)
  • {REPO_ROOT}/docs/adlc/memory/constitution.md, falling back to legacy {REPO_ROOT}/.adlc/memory/constitution.md (ADR-401 dual-read; if either exists)

Build inventory:

markdown
| Artifact | Path | Status |
|----------|------|--------|
| Product PRD | docs/adlc/product/PRD.md (legacy PRD.md fallback) | Found/Missing |
| Product PDRs | .adlc/drafts/pdr/ | [N] files |
| Constitution | docs/adlc/memory/constitution.md (legacy .adlc/memory fallback) | Found/Missing |
Phase 2: PDR Quality Analysis

For each PDR file, check:

DimensionCheckSeverity
ContextProblem clearly statedMEDIUM
DecisionActionable, testableHIGH
ConsequencesPositive AND negativeHIGH
Success MetricsDefined with targetsHIGH
AlternativesAt least 2 with neutral trade-offsHIGH
ConstitutionAligns with visionCRITICAL
Phase 3: Inter-PDR Consistency
  1. Conflicting Decisions: PDRs that contradict (e.g., B2B vs B2C)
  2. Missing Dependencies: PDRs that should reference each other
  3. Terminology Drift: Same concept named differently
  4. Strategy Coherence: Problem/persona/metric alignment
Phase 4: PDR→PRD Drift (Forward Sync)

For each PDR, check if decision appears in PRD:

PDR ElementExpected in PRDSection
Problem decisionProblem statement3
Persona decisionPersonas6
Scope decisionRequirements / Out of Scope7 / 9
Metric decisionSuccess Metrics5
Business ModelOverview2
NFR decisionNon-Functional Requirements8
Phase 5: PRD→PDR Drift (Backward Sync)
  1. Requirements Without PDRs: User stories without scope justification
  2. Personas Without PDRs: Personas with no persona PDR
  3. Metrics Without PDRs: Success metrics with no metric PDR
  4. Risks Without PDRs: Risks without consequence documentation
Show full SKILL.md (203 more words)Show less
Phase 6: Staleness Detection
  1. Deprecated PDRs Still Referenced: PRD references status "Deprecated"
  2. Placeholders: [TODO], [TBD], [PRODUCT_NAME], [DATE]
  3. Date Inconsistencies: PDR dates older than PRD last-updated
  4. Orphaned References: PDR IDs mentioned but file doesn't exist
Phase 7: Severity Assignment
SeverityCriteria
CRITICALConstitution violation, major requirement undocumented
HIGHPDR→PRD drift affecting requirements, conflicting PDRs
MEDIUMIncomplete consequences, staleness, terminology drift
LOWStyle improvements, minor documentation gaps
Phase 8: Generate Report
markdown
## Product Analysis Report

### Analysis Summary
| Attribute | Value |
|-----------|-------|
| Mode | [Full/PDRs/Sections] |
| Files Analyzed | [List] |
| Analysis Date | [Current date] |

### Findings
| ID | Pass | Severity | Location | Summary | Recommendation |
|----|------|----------|----------|---------|----------------|
| A1 | PDR Quality | MEDIUM | PDR-003 | Missing success metrics | Add metrics section |
| B1 | Inter-PDR | HIGH | PDR-002, PDR-005 | Conflicting target markets | Resolve B2B vs B2C |
| C1 | PDR→PRD | HIGH | PRD:5 | Persona not in PRD | Update PRD section 5 |
| D1 | PRD→PDR | HIGH | PRD:6 | Feature has no PDR | Create PDR |
| F1 | Staleness | LOW | PRD:1 | [PRODUCT_NAME] placeholder | Fill product name |

### Coverage Metrics
| Metric | Value |
|--------|-------|
| PDR Count | [N] |
| PRD Sections Complete | [N]/12 |
| PDR→PRD Coverage | [N]% |
| PRD→PDR Coverage | [N]% |

### Issue Distribution
| Severity | Count |
|----------|-------|
| CRITICAL | [N] |
| HIGH | [N] |
| MEDIUM | [N] |
| LOW | [N] |

### Next Actions
- **CRITICAL issues**: Resolve constitution violations before proceeding
  - Command: `/product-clarify`
- **HIGH PDR quality**: Address missing alternatives and consequences
  - Command: `/product-clarify`
- **PDR→PRD drift**: Update PRD to reflect PDR decisions
  - Command: `/product-implement --update`
- **PRD→PDR drift**: Create missing PDRs
  - Command: `/product-specify` or `/product-init`

Key Rules

Analysis Integrity
  • NEVER modify files — this is read-only
  • NEVER hallucinate missing content — report absences accurately
  • Prioritize constitution violations — always CRITICAL
  • Use evidence-based findings — cite specific locations
Reporting Standards
  • Limit to 50 findings — aggregate overflow in summary
  • Include location — always cite file or section
  • Provide actionable recommendations — each finding gets a fix suggestion
  • Calculate coverage metrics — quantify completeness

Configuration

  • PDR_DRAFTS_DIR — {REPO_ROOT}/.adlc/drafts/pdr
  • PRD_FILE — {REPO_ROOT}/docs/adlc/product/PRD.md
  • CONSTITUTION — {REPO_ROOT}/docs/adlc/memory/constitution.md (legacy .adlc/memory/constitution.md fallback)

12-Factor Alignment

  • Factor IX (Verification-First): Validates artifacts before downstream work
  • Factor XI (Directives as Code): Checks version-controlled directive quality

Verification

  • All artifacts loaded and inventoried
  • PDR quality checklist applied to each file
  • Cross-PDR consistency verified
  • Bidirectional drift detection completed
  • Staleness scan performed
  • Severities assigned correctly
  • Report structured with findings table
  • Coverage metrics calculated
  • Next actions recommended with commands
  • Zero files modified

© tikalk, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (scripts) in skills/product/product-analyze of tikalk/adlc-team-skills.

  • SKILL.md
  • scripts/bash/setup-product-analyze.sh
  • scripts/powershell/setup-product-analyze.ps1

Open the folder on GitHubat commit 2dbed36

Compare with similar skills

Product Analyze next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Trellis Brainstormanjiemo/SunnyBeach1787 repos~4kAutomated safety check: PassApache-2.0
Adversarial Speczscole/adversarial-spec5561 repos~8.3kAutomated safety check: NotesMIT
Ralph Tui Create Beads Rustsubsy/ralph-tui2.5k1 repos~2.8kAutomated safety check: PassMIT

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Questions about Product Analyze

What does Product Analyze do?

A skill your agent uses when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness. Product Analyze is an agent skill from tikalk/adlc-team-skills. Use when checking PDR↔PRD consistency after /product-implement or periodically to detect drift, PDR quality issues, cross-PDR conflicts, and staleness.

When should I use Product Analyze?

Product Analyze fits situations like: checking PDR↔PRD consistency after /product-implement; periodically to detect drift; PDR quality issues; cross-PDR conflicts.

How do I install Product Analyze in Claude Code?

Run `npx skills add tikalk/adlc-team-skills --skill product-analyze -a claude-code`. Or copy the skill folder (skills/product/product-analyze in tikalk/adlc-team-skills) into .claude/skills/product-analyze in your project. Claude Code loads it when a task matches its description.

How do I install Product Analyze in Codex?

Run `npx skills add tikalk/adlc-team-skills --skill product-analyze -a codex`. Or copy the skill folder (skills/product/product-analyze in tikalk/adlc-team-skills) into .agents/skills/product-analyze in your project. Codex loads it when a task matches its description.

Can I use Product Analyze in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add tikalk/adlc-team-skills --skill product-analyze -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/product-analyze, .gemini/skills/product-analyze, .github/skills/product-analyze and .opencode/skills/product-analyze in your project.

What does Product Analyze need to run?

Going by SKILL.md and its folder, Product Analyze needs a shell and PowerShell for the scripts in its folder. Our summary lists: A Bash shell; PowerShell.

Does Product Analyze access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Product Analyze safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Product Analyze use?

Product Analyze is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Product Analyze use?

About 1.7k tokens (SKILL.md is roughly 6.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Product Analyze?

Skills that share tags, products or a category with Product Analyze: CCPM Project Management (automazeio/ccpm, 8.4k stars), Ralph Tui Create Beads (subsy/ralph-tui, 2.5k stars), Trellis Brainstorm (anjiemo/SunnyBeach, 178 stars) and Adversarial Spec (zscole/adversarial-spec, 556 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Product Analyze?

tikalk (a GitHub organization) maintains it in tikalk/adlc-team-skills, which has 141 GitHub stars. The repository holds 44 skills in this directory. The repository was last updated on October 6, 2026.

Source: tikalk/adlc-team-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.