Field guides

Practical guides for AI product builders

Battle-tested methodology on multi-video research, CLAUDE.md structure, validation, and the research-to-shipped-SaaS workflow. No fluff.

Featured·9 min read

How indie hackers read YouTube demand signals

Validation advice usually optimizes for whether a problem is real. For an indie hacker the harder question is whether it is small enough to ship alone and whose audience you can actually reach — and YouTube answers both.

Read the playbook
Issue 04
7-day playbook
9 min read·

Finding trending SaaS opportunities in creator content

A topic trending is not an opportunity. The gap between them is whether the audience is still asking questions the content did not answer — and that is a different measurement, needing different tooling.

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9 min read·

Researching a niche by analyzing YouTube channels at scale

Analyzing channels at scale fails in a predictable way: the loudest channel becomes the consensus. Sampling across sizes, capping per-channel weight, and mapping contradictions is what makes the output a market read rather than an echo.

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8 min read·

Tracking which SaaS tools YouTubers actually recommend

The tools mentioned most are usually the tools paying the most. Filtering for unpaid, mid-workflow mentions — and recording why the creator uses them — turns a vanity count into competitive intelligence.

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8 min read·

Tearing down a competitor using their own YouTube footprint

A competitor's own channel shows the happy path. Third-party tutorials show the friction, and the comments under them name the objections and the products people switched to — unsolicited and specific.

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8 min read·

What YouTube research actually costs

Tooling costs are trivially small next to the time cost of manual research. A twenty-video corpus is roughly a working week by hand — worth pricing honestly before deciding which side of the build-versus-buy line you are on.

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8 min read·

Turning research notes into a spec a coding agent can build

The gap between good research and working software is a compilation step. Findings become constraints, constraints become a context file, and the non-goals section does more work than any feature list.

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8 min read·

Build in public with a research trail, not just a changelog

Most build-in-public content reports what shipped. A research trail reports why — sourced, specific, and impossible to copy — which is both better content and a better filter for the audience you want.

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9 min read·

How to extract SaaS product ideas from YouTube content automatically

Feed 15-25 long-form videos on one topic into a structured extraction pass, then synthesize across all of them. The buildable idea is the manual workflow step that repeats across creators — here is how to surface it automatically instead of by hand.

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9 min read·

How to validate a startup idea using YouTube search and view data

Views per subscriber, view concentration, and comment-to-view rate turn YouTube's public numbers into a demand signal you can rank topics with — and reveal exactly where quantitative validation runs out and behavioural evidence has to take over.

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9 min read·

How to find underserved niches by analyzing YouTube content gaps

Content gaps show up in three shapes: unanswered recurring questions, stale videos ranking on live queries, and workflows that exist only as fragments. Each maps onto a different kind of product opportunity — here is how to find and score them.

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9 min read·

How to mine YouTube comments for product pain points and feature ideas

Most YouTube comments are reactions to the video and worth nothing. A small fraction describe what the commenter actually tried and where it failed — those are unsolicited bug reports on a workflow. Here is how to isolate, cluster, and rank them.

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8 min read·

The AI video summarizer test: does it keep timestamps and citations?

Most AI summarizers flatten the transcript before summarizing, which destroys time codes in step one — nothing downstream can restore them. Here is the test for tools that keep timestamps and citations, and why it matters more than summary quality.

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9 min read·

YouTube as a feature-discovery channel for product managers

Creator videos are unmoderated usability sessions with no observer effect. Extract the workflow each one performs, count the deviations from the intended path, and you have a feature backlog ranked by how often real users go off-script.

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9 min read·

YouTube research tools vs manual note-taking: what actually replaces the notebook

Manual note-taking is not slow because typing is slow. It is slow because human working memory cannot hold twenty videos at once. Here is what each alternative actually replaces, and where the notebook still beats the software.

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8 min read·

Turn your YouTube watch history into a searchable knowledge base

Watch history is a record of research you already did and cannot retrieve. Export it, filter aggressively, group into topic corpora, and extract structured notes — and hundreds of hours of watching become something you can question.

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12 min read·

Turn YouTube videos into a SaaS in 7 days (a builder's playbook)

Seven days isn't a marketing number — it's the actual cadence we've watched indie hackers run when the research-to-build handoff is clean. Here's the day-by-day breakdown.

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10 min read·

How to write a CLAUDE.md file (with examples Claude Code actually respects)

Claude Code reads CLAUDE.md every conversation. Most files developers write are shopping lists. Here's the structure that turns it into a binding contract — what to build, what to refuse, and what specific failures to plan for.

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9 min read·

How to use Claude AI for product research (the methodology that actually works)

Generic AI summarizers lose at product research because they collapse contradictions instead of surfacing them. Here's how to use Claude differently — to find the wedge, the failure modes, and the exact MVP scope.

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10 min read·

How to validate a SaaS idea without surveys

Surveys ask people what they would do; SaaS validation needs to know what they actually do. The watch-what-they-do framework looks at five behavioral signal sources and tells you whether a problem is real, painful, and pay-worthy.

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11 min read·

Best YouTube research tools for builders in 2026

There are roughly three jobs people lump together when they say 'YouTube research tool': transcript extraction, single-video summary, and multi-video synthesis. Different tools win at different jobs. Here's the honest split.

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