Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/craftos-dev/craftbot/free-tool-strategynpx skills add CraftOS-dev/CraftBot --skill free-tool-strategygit clone --depth 1 https://github.com/CraftOS-dev/CraftBotWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/craftos-dev/craftbot/free-tool-strategy)<a href="https://agentmods.dev/skills/craftos-dev/craftbot/free-tool-strategy"><img src="https://agentmods.dev/badge/skills/craftos-dev/craftbot/free-tool-strategy.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00093 | $0.02667 |
| Opus 5 | $0.00046 | $0.01333 |
| Sonnet 5 | $0.00019 | $0.00533 |
| Haiku 4.5 | $0.00009 | $0.00267 |
Grade A, and why
free-tool-strategy scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
This is a copy
100% identical to free-tool-strategy — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 577 lines — stays where its author put it; the contents beside it link to each section on GitHub.
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
Before designing a tool strategy, understand:
-
Business Context
- What's the core product/service?
- Who is the target audience?
- What problems do they have?
-
Goals
- Lead generation primary goal?
- SEO/traffic acquisition?
- Brand awareness?
- Product education?
-
Resources
- Technical capacity to build?
- Ongoing maintenance bandwidth?
- Budget for promotion?
Core Principles
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
- Consider SEO value
- Consider brand halo effect
Tool Types
Calculators
Best for: Decisions involving numbers, comparisons, estimates
Examples:
- ROI calculator
- Savings calculator
- Cost comparison tool
- Salary calculator
- Tax estimator
Why they work:
- Personalized output
- High perceived value
- Share-worthy results
- Clear problem → solution
Generators
Best for: Creating something useful quickly
Examples:
- Policy generator
- Template generator
- Name/tagline generator
- Email subject line generator
- Resume builder
Why they work:
- Tangible output
- Saves time
- Easily shared
- Repeat usage
Analyzers/Auditors
Best for: Evaluating existing work or assets
Examples:
- Website grader
- SEO analyzer
- Email subject tester
- Headline analyzer
- Security checker
Why they work:
- Curiosity-driven
- Personalized insights
- Creates awareness of problems
- Natural lead to solution
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 577 lines · 93 tokens per session scan A afd05058a2b0
free-tool-strategy is a skill published in the GitHub repository CraftOS-dev/CraftBot (378 stars, last pushed 3d ago), licensed MIT. It adds 93 tokens to every session and 2,667 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to free-tool-strategy, differing in 0 lines, and is treated as a copy.
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