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Skill
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Audit score 90

free-tools

coreyhaines31/marketingskills

Plan and build free tools for lead generation, SEO, and brand awareness using engineering-as-marketing strategy.

What is free-tools?

This skill helps you design, evaluate, and build free tools (calculators, generators, analyzers) that attract leads and organic traffic while educating your audience. Use it when planning a tool strategy, assessing feasibility, or deciding between build vs. buy approaches.

  • Assess business context and align tool strategy to core product and audience
  • Evaluate tool ideas using a scoring framework across demand, uniqueness, feasibility, and lead quality
  • Choose the right tool type (calculator, generator, analyzer, tester, library, interactive) for your use case
  • Design lead capture strategy with gating options and best practices
  • Plan MVP scope to avoid over-engineering and ship quickly
  • Identify SEO opportunities and link-building potential for the tool

How to install free-tools

npx skills add https://github.com/coreyhaines31/marketingskills --skill free-tools
Claude Code
Cursor
Windsurf
Cline

How to use free-tools

  1. 1.Gather business context: core product, target audience, and existing lead generation channels
  2. 2.Identify pain points your audience has and manual processes they perform
  3. 3.Brainstorm tool ideas using the ideation framework and validate search demand
  4. 4.Rate your top ideas using the evaluation scorecard (search demand, audience match, uniqueness, feasibility, link potential)
  5. 5.Choose a tool type and decide on lead capture strategy (fully gated, partially gated, or ungated)
  6. 6.Evaluate build vs. buy vs. no-code based on your technical resources and timeline
  7. 7.Define MVP scope focusing on core functionality, essential UX, and basic lead capture
  8. 8.Plan SEO strategy with target keywords and supporting content around the tool

Use cases

Good for
  • A SaaS founder wants to build an ROI calculator to attract enterprise leads and validate product value
  • A marketing agency needs a website grader tool to generate qualified leads and earn backlinks
  • An e-commerce brand is considering a free template generator to drive traffic and capture emails
  • A consultant wants to evaluate whether a free audit tool is worth the engineering investment
  • A startup is deciding between building custom or using no-code platforms for a lead-gen tool
Who it's for
  • Product marketers planning acquisition channels
  • Founders and startup leaders evaluating marketing investments
  • Marketing teams seeking lead generation strategies
  • Technical founders considering engineering-as-marketing approaches
  • Growth teams optimizing for both traffic and qualified leads

free-tools FAQ

What makes a good free tool for lead generation?

A good tool solves a real problem your audience has, is adjacent to your core product, does one thing well, and has a natural path to your product. It should attract the right audience (likely buyers) and be worth the investment relative to expected leads and conversion value.

Should I gate my tool behind an email form?

It depends on your goal. Fully gated maximizes lead capture but reduces usage. Partially gated (preview + full report) balances reach and capture. Ungated tools maximize SEO and brand reach but capture fewer direct leads. Choose based on whether you prioritize volume or lead quality.

How do I know if a tool idea is worth building?

Use the evaluation scorecard to rate search demand, audience match, uniqueness, build feasibility, maintenance burden, and link potential. Scores 25+ are strong candidates. Also validate that leads from this audience convert to customers and that you have capacity to maintain the tool.

What's the difference between this skill and lead-magnets?

Free tools are interactive (calculators, generators, analyzers) that provide immediate value and attract organic traffic. Lead magnets are downloadable content (ebooks, checklists, templates). Use this skill for tools; use lead-magnets for content.

Should I build custom or use a no-code platform?

Build custom if the tool is unique, core to your brand, and you have dev capacity. Use no-code tools (Outgrow, Bubble, Webflow) for speed to market or testing concepts. Embed existing tools if something good already exists and white-label is available.

Full instructions (SKILL.md)

Source of truth, from coreyhaines31/marketingskills.


name: free-tools description: When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing," "free tool," "marketing tool," "calculator," "generator," "interactive tool," "lead gen tool," "build a tool for leads," "free resource," "ROI calculator," "grader tool," "audit tool," "should I build a free tool," or "tools for lead gen." Use this whenever someone wants to build something useful and give it away to attract leads or earn links. For downloadable content lead magnets (ebooks, checklists, templates), see lead-magnets. metadata: version: 2.0.1

Free Tool Strategy (Engineering as Marketing)

You are an expert in engineering-as-marketing strategy. Your goal is to help plan and evaluate free tools that generate leads, attract organic traffic, and build brand awareness.

Initial Assessment

Check for product marketing context first: If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Before designing a tool strategy, understand:

  1. Business Context - What's the core product? Who is the target audience? What problems do they have?

  2. Goals - Lead generation? SEO/traffic? Brand awareness? Product education?

  3. Resources - Technical capacity to build? Ongoing maintenance bandwidth? Budget for promotion?


Core Principles

"Your product is my marketing opportunity." Bezos said "your margin is my opportunity." The engineering-as-marketing version: take a capability others monetize and build a free version as an acquisition channel. Unsplash gave away the stock photos Getty sold — and Getty acquired it. See references/tool-benchmarks.md for named cases and conversion numbers.

1. Solve a Real Problem

  • Tool must provide genuine value
  • Solves a problem your audience actually has
  • Useful even without your main product

2. Adjacent to Core Product

  • Related to what you sell
  • Natural path from tool to product
  • Educates on problem you solve

3. Simple and Focused

  • Does one thing well
  • Low friction to use
  • Immediate value

4. Worth the Investment

  • Lead value × expected leads > build cost + maintenance

Tool Types Overview

TypeExamplesBest For
CalculatorsROI, savings, pricing estimatorsDecisions involving numbers
GeneratorsTemplates, policies, namesCreating something quickly
AnalyzersWebsite graders, SEO auditorsEvaluating existing work
TestersMeta tag preview, speed testsChecking if something works
LibrariesIcon sets, templates, snippetsReference material
InteractiveTutorials, playgrounds, quizzesLearning/understanding

For detailed tool types and examples: See references/tool-types.md

For named case benchmarks (Unsplash, HubSpot Website Grader, Moz, Buffer, Shopify) with real conversion numbers: See references/tool-benchmarks.md


Ideation Framework

Start with Pain Points

  1. What problems does your audience Google? - Search query research, common questions

  2. What manual processes are tedious? - Spreadsheet tasks, repetitive calculations

  3. What do they need before buying your product? - Assessments, planning, comparisons

  4. What information do they wish they had? - Data they can't easily access, benchmarks

Validate the Idea

  • Search demand: Is there search volume? How competitive?
  • Uniqueness: What exists? How can you be 10x better?
  • Lead quality: Does this audience match buyers?
  • Build feasibility: How complex? Can you scope an MVP?

Lead Capture Strategy

Gating Options

ApproachProsCons
Fully gatedMaximum captureLower usage
Partially gatedBalance of bothCommon pattern
Ungated + optionalMaximum reachLower capture
Ungated entirelyPure SEO/brandNo direct leads

Lead Capture Best Practices

  • Value exchange clear: "Get your full report"
  • Minimal friction: Email only
  • Show preview of what they'll get
  • Optional: Segment by asking one qualifying question

SEO Considerations

Keyword Strategy

Tool landing page: "[thing] calculator", "[thing] generator", "free [tool type]"

Supporting content: "How to [use case]", "What is [concept]"

Link Building

Free tools attract links because:

  • Genuinely useful (people reference them)
  • Unique (can't link to just any page)
  • Shareable (social amplification)

Build vs. Buy

Build Custom

When: Unique concept, core to brand, high strategic value, have dev capacity

Use No-Code Tools

Options: Outgrow, Involve.me, Typeform, Tally, Bubble, Webflow When: Speed to market, limited dev resources, testing concept

Embed Existing

When: Something good exists, white-label available, not core differentiator


MVP Scope

Minimum Viable Tool

  1. Core functionality only—does the one thing, works reliably
  2. Essential UX—clear input, obvious output, mobile works
  3. Basic lead capture—email collection, leads go somewhere useful

What to Skip Initially

Account creation, saving results, advanced features, perfect design, every edge case


Evaluation Scorecard

Rate each factor 1-5:

FactorScore
Search demand exists___
Audience match to buyers___
Uniqueness vs. existing___
Natural path to product___
Build feasibility___
Maintenance burden (inverse)___
Link-building potential___
Share-worthiness___

25+: Strong candidate | 15-24: Promising | <15: Reconsider


Task-Specific Questions

  1. What existing tools does your audience use for workarounds?
  2. How do you currently generate leads?
  3. What technical resources are available?
  4. What's the timeline and budget?

Common Pitfalls

  • Over-engineering — Shipping a bloated tool when the winning cases were tiny (Unsplash: 3 hrs; Website Grader: 2 engineers, 2 weeks). Scope to the one job.
  • Poor product integration — A tool with no natural path to your product earns traffic but not pipeline. The best cases surface the product's value (Moz Keyword Explorer = the paid product's demo).
  • Maintenance / security debt — Tools that scrape, call APIs, or take user input rot and become attack surfaces. Budget for upkeep before you build.
  • Vanity metrics — Visitors and usage feel good but don't pay. Track leads, qualification rate, and trial/signup conversion — the numbers the case library reports.

Related Skills

  • lead-magnets: For downloadable content lead magnets (ebooks, checklists, templates)
  • cro: For optimizing the tool's landing page
  • seo-audit: For SEO-optimizing the tool
  • analytics: For measuring tool usage
  • emails: For nurturing leads from the tool