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ianrexexanes/nca-conversion

Use when auditing a live landing page, sales page, pricing page or signup flow for conversion problems — given a URL or a page the user wants reviewed. Produces a ranked report: Fix now, Test don't guess, Not a problem, and Could not check. Also use when the user says 'audit this page', 'why isn't this converting', 'review my landing page', 'CRO audit', 'conversion audit', or pastes a URL and asks what is wrong with it. Works without a Conversion Brief but notes its absence as a limitation.

Was ist nca-conversion?

nca-conversion is a Claude Code agent skill that use when auditing a live landing page, sales page, pricing page or signup flow for conversion problems — given a URL or a page the user wants reviewed. Produces a ranked report: Fix now, Test don't guess, Not a problem, and Could not check. Also use when the user says 'audit this page', 'why isn't this converting', 'review my landing page', 'CRO audit', 'conversion audit', or pastes a URL and asks what is wrong with it. Works without a Conversion Brief but notes its absence as a limitation.

Funktioniert mit✓Claude Code~Codex CLI~Cursor
npx skills add https://github.com/ianrexexanes/nca-conversion/tree/main/skills/conversion-page-audit

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Dokumentation

Conversion page audit

Read references/evidence-rules.md before concluding anything. This is a hard step, not a suggestion. Every rule in that file exists because a plausible-looking method returned a wrong answer with total confidence, and the report shape below only stays honest if you've read it before you start finding things.

Procedure

  1. Read references/evidence-rules.md first. Not a skim — its closing section is what makes the report trustworthy, and it changes how you weigh your own findings, not just how you word them.
  2. Gather facts. Run python3 ${CLAUDE_PLUGIN_ROOT}/skills/conversion-page-audit/scripts/page_facts.py <url>. It returns ten keys parsed from static markup only — url, title, meta_description, headings, ctas, forms, schema_types, images, lcp_candidates, notes. Treat notes as an unordered set and match entries by their content, never by position — the array's order has already changed once between tasks and carries no guarantee it won't again. lcp_candidates are the first images in document order, not a measured Largest Contentful Paint; see references/audit-framework.md for exactly what that distinction does and does not license you to claim.
  3. Get a rendered capture via the Playwright MCP, if it is available. This is the single most important instruction in this skill: if Playwright is not available, every rendered-only check goes to "Could not check" — never to "Not a problem." Static markup cannot see layout, scroll-gated content, consent-gated tags, or anything CSS hides. references/evidence-rules.md is the full account of what that blindness costs when it gets ignored instead of named.
  4. Check for a Conversion Brief at 03 Projects/<Project>/_Research/ — or your project's research folder if you're not running this inside that setup. Use it if present, to check the page's argument and register against real audience research. If it's absent, note that as a stated limitation and keep going — a missing brief narrows what you can claim, it never blocks the audit.
  5. Produce the report in the shape references/report-template.md defines: Fix now, Test don't guess, Not a problem, Could not check. Follow that file's rules for each section — they are what keeps a "Not a problem" line from quietly becoming a guess wearing a verified finding's clothes.

What each reference file is for

  • references/evidence-rules.md — what an audit is allowed to conclude, and from what. Read it first, every time.
  • references/audit-framework.md — the checks themselves, organized by the eleven page sections conversion-page-build writes, plus the page-level checks that don't belong to any one section.
  • references/form-and-signup-audit.md — field count, required-field justification, signup flow and popup behaviour, in more depth than the framework file carries.
  • references/test-design.md — whether a "Test, don't guess" finding is actually testable at this page's traffic, before you recommend running it.
  • references/report-template.md — the four-section output shape and the rule that keeps it honest.

Where the report goes

By convention in this vault, the report lands at 03 Projects/<Project>/[C] Conversion Audit — <Page> — <date>.md — or wherever your project keeps audit output if you're not running this inside that setup.

If the humanizer skill is available, run the finished report through it before sending it anywhere a client will read it. If it isn't installed — a fresh install of this plugin has no vault and no humanizer — apply ../copy-sweeps/references/banned-vocabulary.md to the report directly instead. That step is optional — the audit is complete without it.

Individual skills in this repo

This repo contains 6 individual skills — each has its own dedicated page.

ianrexexanes/nca-conversion

Use before writing landing/sales page or campaign copy when the audience isn't documented. Produces a Conversion Brief: ICP, personas, ranked problems, voice-of-customer, competitors, differentiation, objections, proof, register. Required before conversion-page-build; optional for conversion-page-audit.

ianrexexanes/nca-conversion

Use when writing or rewriting copy for a landing page, sales page, homepage, pricing page or opt-in page — after the audience is documented. Walks hero, problem, outcome, solution, mechanism, value stack, proof, objections, guarantee, CTA and FAQ, deciding what each section must accomplish before writing it. Also use when the user says 'write the landing page', 'rewrite this page', 'page copy', 'sales page', 'I need copy for', or hands over an offer and asks for a page. Requires a Conversion Bri

ianrexexanes/nca-conversion

Use when editing or tightening any written marketing copy — page copy, an email, a proposal, an ad, a post. Runs seven passes: Clarity, Voice, So What, Prove It, Specificity, Heightened Emotion, Zero Risk. Also use when the user says 'edit this', 'tighten this copy', 'make this better', 'this reads flat', 'punch this up', or pastes copy and asks for a second look. Optional expert-panel mode.

ianrexexanes/nca-conversion

Use when approved page copy becomes a design spec — before opening a design tool. Covers section type, purpose, content hierarchy, components, responsive intent, visual hierarchy, emphasis, above-the-fold priority, scan path. Also use when the user says 'hand this to design', 'wireframe this', 'Relume brief', 'Figma spec', 'turn this copy into a layout', or has finished copy and asks what's next.

ianrexexanes/nca-conversion

Use when writing hooks, headlines, hero lines, subject lines, ad hooks or CTA copy, including quick one-off variant requests. Crosses eight hook types (outcome, time, effort, callout, contrarian, pain, mechanism, transformation) with register. Also use when the user says 'give me headlines', 'hook ideas', 'hero line', 'subject line', 'CTA copy', 'punchier headline', or asks for variants of a line.

ianrexexanes/nca-conversion

Use when designing, packaging or pricing an offer — before any page exists. Covers Value Equation diagnosis, obstacle mapping, value stack, guarantees and risk reversal, price anchoring, and pitch formats. Also use when the user says 'design an offer', 'package this', 'what should I charge', 'pricing', 'guarantee', 'value stack', 'grand slam offer', or describes a service and asks how to sell it.

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