product-tool-stack — Claude Code skill: pick your product stack
Walks through your current tooling, picks platforms, and helps you decide what to buy instead of build.
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a claude-codeWhat product-tool-stack does
The skill runs a stack review in four steps: audit software spend and look for all-in-one platforms, define the core data and communication layers, sort tools into safe bets and early-adopter picks, and find admin work that agentic tools can take over. The material comes from episodes and posts on Lenny's Podcast and Newsletter.
Analytics is one of the anchors. Without a dedicated engineering resource on instrumentation, the data stays garbage, and product-led growth never gets off the ground. The other point: a small team is advised to buy a third-party experimentation tool rather than build one, since a homegrown platform needs statistical expertise on top of engineering time. Worth checking against your actual team size.
The skill also flags common mistakes: heavy backlogs and story points too early, no granular tracking, and product usage data that never reaches the CRM. All 25 sourced insights from 6 guests live in references/guest-insights.md.
What it helps with
- audit software spend and drop redundant point solutions
- decide where a safe bet is enough and where an early tool pays off
- set up product event tracking with engineering behind it
- choose between buying an experimentation platform and building one
- sync product usage data into CRM and marketing tools
Example prompts for the agent
- review our product stack and show me where data moves by hand
- help me choose between an all-in-one platform and separate point tools
- what admin work should we hand to AI agents
How to install product-tool-stack
1Skills CLI (Vercel)
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a claude-code2Manually: put the files in place
~/.claude/skills/product-tool-stack/SKILL.mdCopy the whole skill folder; for one project use .claude/skills/product-tool-stack/
1Skills CLI (Vercel)
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a codex2Manually: put the files in place
.agents/skills/product-tool-stack/SKILL.mdFor all projects use ~/.agents/skills/
1Skills CLI (Vercel)
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a cursor2Manually: put the files in place
.cursor/skills/product-tool-stack/SKILL.mdCursor also reads .agents/skills/ and .claude/skills/
1GitHub CLI
gh skill install RefoundAI/lenny-skills product-tool-stack2Manually: put the files in place
.github/skills/product-tool-stack/SKILL.md1Skills CLI (Vercel)
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a gemini-cli2Platform CLI
gemini skills install https://github.com/RefoundAI/lenny-skills --path skills/product-tool-stackManually: put the files in place
.devin/skills/product-tool-stack/SKILL.mdThe legacy .windsurf/skills/ path still works
Skills CLI (Vercel)
npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a opencodeClaude.ai
Zip the folder and upload it in Settings → Capabilities → Skills
Step by step, with commands for each platform: How to install skills in Claude Code: five ways
Questions about product-tool-stack
How do I install product-tool-stack in Claude?
Run npx skills add RefoundAI/lenny-skills --skill product-tool-stack -a claude-code. The skill lands in ~/.claude/skills/product-tool-stack/SKILL.md.
What does product-tool-stack do?
It audits your stack, helps you pick tools for data and experimentation, and points out which admin tasks agents can handle.
How is it different from generic tooling advice?
It draws on Lenny's Podcast and Newsletter: 25 sourced insights from 6 guests, including why building your own experimentation platform backfires.
Source text
SKILL.md · MIT
--- name: product-tool-stack description: Help users select, implement, and optimize a modern product tool stack that reduces operational friction and accelerates delivery cycles. --- # Product Stack Strategy Build a high-performance product toolkit by balancing established standards with AI-native speed. Help the user with product stack strategy using insights from 6 guests and posts across Lenny's Podcast and Newsletter. ## How to Help 1. **Audit and Consolidate** - Review current software spending and identifying opportunities to move toward all-in-one platforms that reduce workflow friction. 2. **Define the Foundation** - Establish the core data and communication layers required for early-stage stability and cross-functional alignment. 3. **Apply Selection Frameworks** - Distinguish between 'safe bet' industry standards for stability and 'early-adopter' tools for competitive productivity gains. 4. **Integrate AI-Native Workflows** - Identify specific opportunities to automate administrative tasks, ticket drafting, and video editing with agentic tools. ## Core Principles ### Consolidate for seamless workflows From "A year free of PostHog ($16,500 value): The all-in-one analytics, experimentation, feature flag, surveys, session replay, error tracking, data warehouse, LLM analytics platform": "Being able to follow an issue from a session recording, to its impact in analytics, to shipping a fix as a feature flag, to testing a variant, to collecting feedback with surveys—that’s the holy grail." Moving toward all-in-one platforms reduces the technical and operational friction of managing multiple point solutions, enabling better integration between discovery and shipping. ### Commit to engineering-backed data From "Five steps to starting your product-led growth motion, part 2": "Tools such as Amplitude and Mixpanel are commonly used here, but, as the saying goes, “garbage in, garbage out.” Companies need to dedicate engineering resources to instrument tracking properly. Many B2B companies are significantly lacking in product analytics—watching product usage closely is less important when you sell via human touch—but without a strong foundation of product analytics, PLG will never work." Product analytics requires dedicated engineering resources for proper instrumentation; successful PLG is impossible without a robust data foundation. ### Buy instead of build experimentation From "Five steps to starting your product-led growth motion, part 2": "The most common mistake I see is that companies skip buying and jump right into building. In other words, they bypass the option of using a third-party experimentation tool, often because the engineering and product teams feel like they can build anything. But building an experimentation platform requires not only engineering resources but also data science and statistical expertise." Small teams should choose third-party experimentation tools over homegrown platforms to avoid massive engineering and statistical overhead. ## Questions to Help Users - "Which tools in your current stack are creating the most manual data transfer work between teams?" - "Are you currently using a 'safe bet' for your mission-critical data, or are you over-extended on unproven tools?" - "What percentage of your PMs' time is spent on administrative tasks like ticket drafting that could be handled by AI agents?" - "Is your product instrumentation handled by a dedicated engineering resource or as an afterthought?" - "Do you have a single source of truth for user behavioral data that bridges into your CRM?" ## Common Mistakes to Flag - **Building homegrown experimentation platforms** - Small teams often underestimate the statistical and engineering maintenance required compared to buying a specialized third-party tool. - **Over-complicating early-stage process** - Using heavy tools like long-term backlogs and story points early on can kill velocity and distract from immediate shipping. - **Failing to instrument granular data** - Without engineering-backed tracking of specific feature interactions, you cannot identify the 'aha moments' that drive growth. - **Neglecting the data warehouse connection** - Failing to sync product usage data with sales and marketing tools prevents the cross-functional intelligence needed for effective scaling. ## Deep Dive For all 25 sourced insights from 6 guests, see `references/guest-insights.md` ## Related Skills - Writing Prds - Shipping Velocity - Ai Assisted Prototyping - Building With Ai Agents
© RefoundAI · MIT · RefoundAI/lenny-skills