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chief-data-officer-advisor

Chief Data Officer advisory for startups: AI training data rights and consent provenance, data product strategy (warehouse vs lakehouse vs mesh, build-vs-buy), B2B customer-data-as-asset valuation and M&A readiness, data team org evolution. Use when deciding whether to train models on customer data, choosing data architecture, valuing data for fundraising or M&A, sequencing data hires, or when user mentions CDO, chief data officer, data strategy, data mesh, lakehouse, training data, data product, data monetization, or customer data asset. NOT a tactical data engineering skill — strategic decisions only.

64

Quality

80%

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tessl review fix ./.gemini/skills/skills-chief-data-officer-advisor/SKILL.md

The canonical home for this skill is chief-data-officer-advisor in alirezarezvani/claude-skills

SKILL.md
Quality
Evals
Security

Quality

Content

71%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is well-organized and unusually rich in concrete, decision-grade guidance — numeric thresholds, build-vs-buy matrices, stage-to-role maps, and four goal-oriented workflows — with no filler or explanation of known concepts. Its main defect is that the entire bundle layer it points to (three scripts and four reference documents) is absent, dead-ending both the Quick Start commands and every 'See references/...' pointer, and workflows lack explicit validation checkpoints.

Suggestions

Ship the referenced bundle files (references/ai_training_data_rights.md, references/data_product_strategy.md, references/customer_data_as_asset.md, references/data_team_org_evolution.md, and the three scripts/ai_training_data_audit.py, data_product_strategy_picker.py, data_asset_valuator.py) or remove/inline their pointers — every Quick Start command and 'See references/...' link currently dead-ends.

Add explicit validation checkpoints to the workflows, e.g., after running data_asset_valuator.py, verify the contractual-restriction inventory is complete (review every MSA carve-out) before trusting the risk-adjusted value; after data_product_strategy_picker.py, sanity-check the recommendation against the stated kill criteria.

Trim token overhead: drop the Keywords section (it duplicates the frontmatter description triggers) and fix the 'Series A (Series A)' table cell in the stage-to-role map.

DimensionReasoningScore

Conciseness

The body is dense with decision-useful specifics ("≤5 data consumers", "2TB–1PB", "k-anonymity ≥ 5 is the floor", "47/380 customers with MSA carve-outs") and does not explain concepts Claude already knows. Minor trimmable fat remains: a "Keywords" section that largely duplicates the frontmatter description triggers, editorial framing like "The 2026 question every startup is facing", and a table typo ("Series A (Series A)") — anchor 4, not 5.

4 / 5

Actionability

Copy-paste-ready commands ("python scripts/ai_training_data_audit.py sources.json") and concrete decision tables with numeric cutoffs ("25+ data consumers across 4+ domains", "Defer until 3+ prod models"). Not anchor 5 because the three invoked scripts and four reference documents are not present in the bundle, so the Quick Start commands fail on first run as shipped.

4 / 5

Workflow Clarity

Four workflows each carry a stated Goal, sequenced steps, and explicit cross-checks ("Cross-check with cs-general-counsel-advisor on top-3 mitigation items", "Log via /cs:decide"), and Workflow 1 handles outcomes conditionally ("For each MITIGATE: assign owner + remediation"). Falls short of anchor 5 because no workflow includes an explicit verify-the-output checkpoint — e.g., Workflow 2 never sanity-checks the recommendation before the multi-year commitment.

4 / 5

Progressive Disclosure

In-text structure is good: each core section summarizes the decision inline and points to a one-level-deep reference with a clear annotation ("See references/customer_data_as_asset.md for the valuation framework..."). However, the bundle contains no references/ or scripts/ directories — all 7 referenced paths (4 reference docs, 3 scripts) are dangling, so the progressive-disclosure structure is claimed in the text but not actually delivered; following any pointer fails in practice.

3 / 5

Total

15

/

20

Passed

Description

83%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong description: it names a clear niche, enumerates four concrete capability areas, and provides an explicit 'Use when' clause with both decision-based and mention-based triggers plus a scope-excluding boundary. Voice is third person throughout, with no fluff or over-claims. The only gaps are a few missing natural trigger terms (e.g., data warehouse, data governance) and residual overlap risk on broadly-shared terms like 'training data'.

DimensionReasoningScore

Specificity

Lists four concrete capability areas — "AI training data rights and consent provenance", "data product strategy (warehouse vs lakehouse vs mesh, build-vs-buy)", "B2B customer-data-as-asset valuation and M&A readiness", "data team org evolution" — each with parenthetical specifics. Below anchor 5 because these are noun-phrase domains rather than crisp action verbs; above anchor 3 because coverage spans the full domain with several specific items and only minor gaps.

4 / 5

Completeness

Explicitly answers both what ("Chief Data Officer advisory for startups: AI training data rights... data team org evolution") and when ("Use when deciding whether to train models on customer data, choosing data architecture, valuing data for fundraising or M&A, sequencing data hires, or when user mentions CDO...") with concrete trigger phrases, plus a negative boundary ("NOT a tactical data engineering skill — strategic decisions only"). This matches the anchor-5 example structure exactly.

5 / 5

Trigger Term Quality

"CDO, chief data officer, data strategy, data mesh, lakehouse, training data, data product, data monetization, or customer data asset" plus decision-based triggers like "deciding whether to train models on customer data, choosing data architecture, valuing data for fundraising or M&A, sequencing data hires". Good coverage with abbreviation + full-form synonyms, but common natural terms such as "data warehouse", "data governance", and "data team" are missing, so it fits anchor 4 rather than 5.

4 / 5

Distinctiveness Conflict Risk

The niche is clear (strategic CDO-level decisions for startups) and the "NOT a tactical data engineering skill" boundary reduces overlap, but bare trigger terms like "training data", "lakehouse", and "data mesh" would also naturally occur when a user wants tactical engineering help, leaving minor conflict risk with closely related engineering skills — anchor 4 rather than 5.

4 / 5

Total

17

/

20

Passed

Validation

87%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

relative_links

Relative link issues: 4 missing

Warning

referenced_paths_exist

Referenced path issues: 16 missing

Warning

Total

14

/

16

Passed

Repository

alirezarezvani/claude-skills

Path

.gemini/skills/skills-chief-data-officer-advisor/SKILL.md

Reviewed

Table of Contents

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