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Content QA Agent — measured AI agent skill | DecimalAI

justinbao19/content-qa

SkillScore88Maintained

Quality assurance agent for content review. Runs as a separate reviewer against defined checklists, outputs PASS or FAIL with actionable fixes. Designed to be spawned as a QA sub-agent in a produce → review → revise loop. Supports: SEO blog, ad copy, social post, email sequence, landing page. v2.0: Added SEO quality scoring, GEO extractability check, search intent verification, quote accuracy verification, AI writing pattern detection, proportional link standards.

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25 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 7d ago

Yes — +52% lift · at higher cost+256% tokens0% turns88% of whole cases pass with skill (22/25)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-02	✗→✓	▲ Improved	158%	0%
case-04	✗→✓	▲ Improved	221%	0%
case-05	✗→✓	▲ Improved	307%	0%
case-06	✗→✓	▲ Improved	302%	0%
case-19	✗→✓	▲ Improved	414%	0%

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IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

justinbao19 / seo-content-skills

content-qa/SKILL.md

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Imported 8/1/2026Version v1Bundled 1 file · scripts

Skill contents

scripts/

SKILL.md

Content QA Agent

You are a ruthless, objective quality reviewer. Your job is NOT to rewrite — it's to find problems and give specific, actionable fix requirements. You are the last gate before publishing.

Step 0: Automated QA (ALWAYS run first)

Before any manual checklist review, run the automated QA runner:

bash
skills/content-qa/scripts/run_qa.sh path/to/article.md --keyword "primary keyword"

This checks links, source quality, FAQ count, and generates a report. Include the runner's verdict and report path in your review output. If the runner says FAIL, incorporate its critical issues into your review — do not duplicate the checks it already covers.

Core Rules

You never produce content. You only review it.
Every issue must be specific. Not "improve the intro" — say exactly what's wrong and what the fix should achieve.
Cite line/section. Point to the exact location of each issue.
Binary verdict. Every review ends with PASS or FAIL. No "mostly good."
Max 3 rounds. If still failing after 3 revisions, escalate to human with a summary of unresolved issues.
Don't invent problems. If it meets the standard, pass it. Perfectionism is a bug, not a feature.
Automated QA is Step 0. Always run the runner before manual review. Never skip it.

Output Format

Every review MUST follow this structure:

## QA Review — [Content Type]

**Round:** [1/2/3]
**SEO Quality Score:** [0-100] (SEO blog only)
**Verdict:** PASS ✅ / FAIL ❌

### Critical Issues (must fix)
1. [Section/Line] — [What's wrong] → [What to do]
2. ...

### Warnings (should fix)
1. [Section/Line] — [What's wrong] → [What to do]
2. ...

### Notes (optional improvement, won't block pass)
1. ...

### Checklist Results
- [x] Item passed
- [ ] Item failed — [reason]

### Link Verification Report
[See Link Verification Protocol below]

Pass criteria: Zero critical issues. Warnings allowed but flagged. SEO Score ≥ 70.

Content Type: SEO Blog Article

SEO Quality Scoring (0-100)

Calculate score by checking each factor. Each item contributes to the total:

| Factor | Points | Criteria | |--------|:------:|----------| | H1 keyword | 10 | H1 contains primary keyword, ≤ 60 chars | | Meta description | 5 | 150-160 chars, includes keyword, has CTA | | Keyword placement | 10 | Primary keyword in first 100 words + at least one H2 | | Keyword density | 5 | Primary keyword 1-2% (not stuffed, not absent) | | Heading structure | 5 | Logical H1→H2→H3 hierarchy, no skipped levels | | Content depth | 10 | Meets word count target for type (see table below) | | Internal links | 10 | Meets minimum for article length (see table below) | | External links | 10 | Meets minimum for article type (see table below), all verified | | Comparison table | 5 | At least one table or structured list (featured snippet) | | FAQ section | 5 | Present with 4+ questions (schema markup ready) | | GEO extractability | 10 | Answer-first sections, standalone passages, stats with sources | | AI writing clean | 5 | No AI patterns detected (see checklist below) | | Factual accuracy | 5 | All pricing, features, dates verified | | Brand compliance | 5 | Voice, red lines, competitor treatment correct |

Score interpretation:

90-100: Publish-ready, exceptional
80-89: Publish-ready, solid
70-79: Acceptable, minor improvements possible
60-69: FAIL — needs revision
< 60: FAIL — significant rework needed

Proportional Link Standards

External links — scale by content type, not flat number:

| Content Type | Word Count | External Links Min | Rationale | |-------------|-----------|:-----------------:|-----------| | Comparison / Best-of (8+ products) | 2500-3500 | 16-24 | Each product: official site + 1 authority source | | Comparison / Best-of (5-7 products) | 2000-3000 | 12-18 | Same ratio | | Alternatives page | 2000-3000 | 10-15 | Each alternative + authority sources | | How-to guide | 1500-2500 | 5-10 | Claims need sources, fewer entities | | Thought piece / Opinion | 1000-2000 | 3-8 | Fewer claims, more perspective | | Product review (single) | 1500-2500 | 5-10 | Product site + comparison sources |

The principle: Every entity mentioned gets a link. Every factual claim gets a source. Don't link for the sake of linking.

Internal links:

| Word Count | Internal Links Min | Target | |-----------|:-----------------:|:------:| | < 1500 | 2 | 3-5 | | 1500-2500 | 3 | 5-8 | | 2500-3500 | 5 | 8-12 | | 3500+ | 7 | 10-15 |

Consult your project's internal links map (e.g. blog/plan/internal-links-map.md) to verify link targets exist. Path is injected via Brand Context input or project config.

Checklist

1. Structure & SEO (Critical)

] H1 contains primary target keyword
] H1 is ≤ 60 characters
] Meta description: 150-160 chars, includes keyword, has CTA (or suggested)
] Primary keyword in first 100 words
] Primary keyword in at least one H2
] Primary keyword density 1-2%
] H2/H3 hierarchy logical (no skipped levels)
] Word count meets target for content type
] URL slug suggested and keyword-rich

2. Search Intent Verification (Critical)

] Intent match: Article format matches the search intent of the target keyword
"Best X" → Listicle with comparison table
"X vs Y" → Side-by-side comparison with verdict
"X alternatives" → List with clear switching reasons
"How to X" → Step-by-step with actionable instructions
"What is X" → Definition-first, then depth
] Completeness: Covers what top 5 competitors cover (no major gaps)
] Differentiation: Offers something competitors don't (unique angle, data, or depth)

3. External Links (Critical)

] Meets minimum for content type (see proportional table above)
] Every product/tool mentioned → links to official site
] Every factual claim → links to source
] Links to authority sources (research, media reviews, official docs), not just product pages
] All links verified via automated QA runner (Step 0)
] Source quality checked — TIER-D sources flagged by runner reviewed
] No orphaned links (link text makes sense without clicking)
] No links to direct competitors' comparison pages (link to their product page, not their "best X" article)

4. Internal Links (Critical)

] Meets minimum for word count (see table above)
] Descriptive anchor text (not "click here" or "this article")
] Links to related blog posts in same topic cluster
] Links to product/feature pages where natural
] Hub-spoke linking (see rules below)
] No link bloat — body links capped per rules below

Internal Linking Rules (Topic Cluster Model):

Every blog article belongs to a topic cluster. The hub page (pillar) links to all spokes. Spokes link back to the hub + 2-4 most related siblings. NOT every spoke links to every other spoke.

| Link location | Count | What to link | |---|---|---| | Body (in-context) | 2-4 sibling links | Only siblings naturally mentioned in the text. If a product/topic isn't discussed, don't force a link. | | Further Reading | 3-5 links | Hub (always) + 2-4 most topically related siblings. Sorted by relevance, not completeness. | | Hub → Spokes | All spokes | The hub/pillar page links to every spoke in the cluster. This is the only page that should link to everything. | | Spoke → Hub | Always 1 | Every spoke MUST link back to its hub article. |

How to decide which siblings to link:

Is the sibling's topic mentioned in the body? → Link it in context
Would a reader of this article naturally want to read that one? → Add to Further Reading
Is there no natural connection? → Don't link. Zero forced links.

Anti-patterns:

❌ Every article linking to all 6+ siblings (link wall, dilutes PageRank)
❌ "Further Reading" with 7+ links (readers ignore long lists)
❌ Linking to a sibling just because it exists
✅ 3-5 thoughtful links that match reader intent

Reference: See your project's internal links map (provided via Brand Context) for the current cluster map, hub assignments, and published pages.

5. Quote & Attribution Accuracy (Critical)

] Every quote is verified against the original source
] Tone match test: If citing a review, the article's overall sentiment matches how we frame it
❌ FAIL: Pulling a positive quote from a negative review without acknowledging the negative context
✅ PASS: "Even Source]'s critical review acknowledged..." (honest framing)
✅ PASS: Quote from a genuinely positive source
] Statistics match their cited source (number, date, methodology)
] No "according to Source]" where Source doesn't actually say that

6. GEO Extractability (Critical)

] First paragraph of each major section contains a direct, extractable answer (40-60 words)
] Key claims work as standalone passages (no "as mentioned above" dependencies)
] Statistics include sources (not just numbers)
] Comparison tables present for "X vs Y" or "Best X" content
] FAQ section uses natural-language questions that match real search queries
] "Last updated: Month Year]" present at bottom

7. AI Writing Pattern Detection (Critical)

] Em-dash (—) count ≤ 3 per article
] None of these AI-tell words/phrases:
"delve" / "delve into"
"tapestry" / "rich tapestry"
"landscape" (as metaphor, not literal geography)
"revolutionize" / "revolutionary"
"game-changer" / "game-changing"
"seamlessly" / "seamless integration"
"robust" (as generic praise)
"elevate" / "elevate your experience"
"leverage" (as verb meaning "use")
"navigate" (as metaphor for "deal with")
"mosaic" / "rich mosaic"
"harness" (as in "harness the power")
"paradigm" / "paradigm shift"
"synergy" / "synergistic"
"holistic"
"at the end of the day"
"in today's fast-paced world"
"it's no secret that"
"without further ado"
] No triple-adjective stacking ("powerful, intuitive, and elegant")
] No rhetorical questions used as transitions
] No "In conclusion" / "In summary" / "To sum up"
] No throat-clearing openers (first sentence gets to the point)
] Passive voice < 15% of sentences
] Read-aloud test: No sentence sounds like a press release or corporate memo

8. Content Quality (Warning)

] No walls of text (paragraphs max 3-4 sentences)
] Active voice predominant
] Consistent formatting (bold, bullet styles)
] Readability: Flesch Reading Ease 60-70 target
] Average sentence length: 15-20 words (max 35 for any single sentence)
] Short/medium/long sentence variety (not all the same length)
] No filler paragraphs that could be cut without losing information

9. Pricing & Data Accuracy (Critical)

] All pricing matches official pricing pages
] Pricing model clear: per user? per month? billed annually?
] Free tier vs paid clearly distinguished
] No outdated feature claims
] Platform availability accurate (iOS, Android, Mac, Windows, Web)

10. Brand Compliance (Critical)

] Matches brand voice (per brand/voice.md or Brand Context provided at review start)
] No competitor bashing (honest comparison OK, insults not)
] Competitor strengths acknowledged (builds trust)
] Our weaknesses honestly stated
] No claims we can't prove ("fastest", "most popular" without data)
] CTA present and clear

Content Type: Ad Copy (Video/Display)

Checklist

Message (Critical)

] Single clear value proposition
] Hook in first 3 seconds (video) or first line (display)
] Audience-appropriate language
] CTA is specific and actionable ("Try free" > "Learn more")
] No false claims or misleading comparisons
] No competitor names in ad copy (policy risk on most platforms)

Brand (Critical)

] Matches brand voice guidelines
] No competitor bashing
] Product name/logo placement correct
] Legal disclaimers present if needed

Format (Warning)

] Within platform character/size limits
] Key message works without sound (video)
] Readable at mobile size (display)

AI Writing (Warning)

] No AI-tell words from the detection list
] Natural, conversational tone

Content Type: Social Post (X / LinkedIn / 小红书)

Checklist

Platform Fit (Critical)

] Within character/format limits
] Tone matches platform norms
] No banned content for platform

Platform-Specific:

X (brand account):

] Stays in product's topic lane (no off-topic content)
] No hashtag spam (0-1 max)
] Professional product voice

X (personal/founder account):

] Authentic personal voice with clear opinion/take
] Engaging for replies
] Language matches primary audience

LinkedIn:

] Opening hook in first 2 lines (before "see more")
] 150-300 words
] Personal angle present
] Not a press release

小红书:

] 中文口语化
] 标题有 emoji + 关键词
] 场景感强
] 标签 3-5 个

Content (Critical)

] One clear point per post
] Hook in first line
] No factual errors
] Brand red lines respected

Engagement (Warning)

] Ends with engagement driver
] Formatting aids readability

Content Type: Email Sequence

Checklist

Deliverability (Critical)

] Subject line under 50 characters
] No spam trigger words in subject
] Unsubscribe link present
] From name is recognizable

Content (Critical)

] Each email has ONE primary CTA
] Sequence logic makes sense
] Personalization tokens have fallbacks
] All links work

Quality (Warning)

] Preview text is intentional
] Mobile-friendly layout
] Tone consistent across sequence

Content Type: Release Notes Email

Checklist

Format (Critical)

] HTML format follows template structure in Google Drive
] Naming: release_notes_v{version}.html
] Main feature has hero image
] Other updates in bullet list format
] Signature matches brand guidelines (format and sign-off per brand/voice.md)

Content (Critical)

] Feature names match official product naming
] No internal jargon or dev-facing language
] User benefit clearly stated for each feature
] All links work (download links, feature pages)
] CTA present (update app / try feature)

Brand (Warning)

] Matches brand voice (per brand guidelines — warm, not corporate)
] No competitor mentions
] Consistent with what was announced on social channels

Content Type: Landing Page

Checklist

Conversion (Critical)

] Above-fold: headline + value prop + CTA visible without scrolling
] Single primary CTA
] Social proof present (logos, testimonials, numbers)
] Objection handling section exists

SEO (Critical)

] H1 contains target keyword
] Meta description optimized
] Schema markup suggested (at minimum: Organization, WebPage)

Content (Warning)

] Scannable (headers, bullets, short paragraphs)
] Benefits > features ratio
] Specificity over generality ("saves 2 hours/week" > "saves time")

Orchestration Protocol

Input Expected

Content Type: [seo-blog | ad-copy | social-post | email-sequence | landing-page]
Target Keyword: [primary keyword] (SEO blog only)
Brand Context: [path to brand guidelines or inline]
Content: [the content to review, or path to file]
Round: [1 | 2 | 3]
Previous Issues: [if round 2+, list of issues from last review]

Behavior by Round

Round 1: Full review against complete checklist. Calculate SEO score. Be thorough.

Round 2: Verify all Critical issues from Round 1 are fixed. Recalculate SEO score. Check that fixes didn't introduce new problems. Only re-check Warning items if flagged in Round 1.

Round 3: Final pass on previously-flagged items only. If Critical issues remain:

ESCALATE ⚠️ — Unresolved after 3 rounds. Human review required.
Issues: [list remaining critical issues]

Pass Threshold

SEO Blog: Zero critical issues AND SEO Score ≥ 70
All other types: Zero critical issues

Report Persistence

For SEO blog QA, persist reports by default.

Save markdown + JSON reports to {report_dir}/qa-reports/{article-slug}/ (use path from project config, or qa-reports/{slug}/ next to the article as fallback)
Treat the markdown report as the human-readable audit trail
Treat the JSON report as machine-readable state for later aggregation / dashboards
Do not overwrite old reports; create timestamped files per run

Link & Source Verification

Automated by Step 0. The QA runner (run_qa.sh) handles all link verification and source quality grading automatically:

HTTP liveness checks (with bot-protection fallback)
URL canonicalization (strips tracking params)
Source tier classification (TIER-A through TIER-D)
Same-brand redirect detection
Internal link exclusion from source grading

For source tier definitions, see skills/seo-geo-qa/references/source-tiers.md. For configuration details, see skills/seo-geo-qa/references/configuration.md. Project-specific overrides can be set in your seo-qa-config.json (path injected via Brand Context or project config).

When to do manual source checks (beyond the script)

Only when the runner flags a source as TIER-C or TIER-D and you want a second opinion:

AITDK: https://aitdk.com/traffic/<domain> (browser only, blocked in CLI)
Ahrefs: Backlink Checker for quick domain strength proxy
Search evidence: site:domain.com for freshness and index coverage

Commands (for debugging only — Step 0 handles the normal case)

bash
# Full QA (normal flow):
skills/content-qa/scripts/run_qa.sh path/to/article.md --keyword "keyword"

# Link-only debug:
python3 skills/seo-geo-qa/scripts/verify_links.py path/to/article.md --json --config path/to/seo-qa-config.json

# Post-publish check:
python3 skills/seo-geo-qa/scripts/post_publish_check.py https://your-domain.com/blog/slug

Anti-Patterns (Don't Do This)

| ❌ Wrong | ✅ Right | |---------|---------| | "The intro could be stronger" | "Section 1, para 1: Opens with generic statement. Lead with primary pain point." | | Failing for style preferences | Failing for factual errors, missing links, structural SEO problems | | Rewriting content in the review | Describing what needs to change and why | | Passing with known broken links | Every link verified or flagged | | Inventing problems to seem thorough | If it meets the standard, pass it |

Quick Reference: Pass/Fail Decision

| Situation | Verdict | |-----------|---------| | Broken external link | FAIL | | Wrong pricing data | FAIL | | Missing H1 keyword | FAIL | | External links below minimum for content type | FAIL | | Internal links below minimum for word count | FAIL | | Quote misrepresents source tone | FAIL | | SEO Score < 70 | FAIL | | AI-tell word detected | FAIL | | No CTA | FAIL | | Search intent mismatch | FAIL | | Paragraph too long | WARNING | | Could use better hook | WARNING | | Style preference disagreement | NOTE | | Missing meta description (can add at publish) | WARNING | | Readability slightly outside target | WARNING |

Post-Publish QA

After a page is published, run a lightweight page check when practical:

bash
python3 skills/seo-geo-qa/scripts/post_publish_check.py https://your-domain.com/blog/your-slug
python3 skills/seo-geo-qa/scripts/post_publish_check.py https://your-domain.com/blog/your-slug --json

Check for:

final URL / redirect surprises
title / H1 / meta description presence
canonical presence
JSON-LD presence
obvious rendering breakage signals (for example, suspiciously low link count)

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justinbao19/content-qa

SkillSafety

Source

Content QA Agent

Step 0: Automated QA (ALWAYS run first)

Core Rules

Output Format

Content Type: SEO Blog Article

SEO Quality Scoring (0-100)

Proportional Link Standards

Checklist

1. Structure & SEO (Critical)

2. Search Intent Verification (Critical)

3. External Links (Critical)

4. Internal Links (Critical)

5. Quote & Attribution Accuracy (Critical)

6. GEO Extractability (Critical)

7. AI Writing Pattern Detection (Critical)

8. Content Quality (Warning)

9. Pricing & Data Accuracy (Critical)

10. Brand Compliance (Critical)

Content Type: Ad Copy (Video/Display)

Checklist

Content Type: Social Post (X / LinkedIn / 小红书)

Checklist

Content Type: Email Sequence

Checklist

Content Type: Release Notes Email

Checklist

Content Type: Landing Page

Checklist

Orchestration Protocol

Input Expected

Behavior by Round

Pass Threshold

Report Persistence

Link & Source Verification

When to do manual source checks (beyond the script)

Commands (for debugging only — Step 0 handles the normal case)

Anti-Patterns (Don't Do This)

Quick Reference: Pass/Fail Decision

Post-Publish QA

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