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ZawilecxD
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10x-lesson

Appends recurring engineering rules to a lessons.md register for future skill runs.

Updated May 20, 2026
Search Tags:#code review#markdown#lessons learned#knowledge capture#engineering workflow#recurring rules#append-only register
One-click install
npx skills add https://github.com/ZawilecxD/trAInR --skill 10x-lesson-zawilecxd
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: 10x-lesson
Source: https://github.com/ZawilecxD/trAInR/tree/main/.cursor/skills/10x-lesson
Command: npx skills add https://github.com/ZawilecxD/trAInR --skill 10x-lesson-zawilecxd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Recurring bugs and design pitfalls get fixed once but forgotten, so the same class of mistake resurfaces in later planning and implementation work. This Skill captures those recurring rules into a persistent, append-only lessons register that future workflow runs re-read as priors. ## Core Features & Use Cases - Structured four-field interview: Collects Context, Problem, Rule, and Applies-to fields from the user before writing anything. - Canonical entry format: Appends a standardized markdown entry with an H2 rule title that downstream skills can scan quickly. - Self-bootstrapping storage: Creates context/foundation/lessons.md with the canonical header on first use, then appends only. - Use Case: After noticing that feature flags keep shipping without kill dates, invoke the skill to record "Always assign a kill date to feature flags" so future plan and review runs weigh the rule. ## Quick Start Ask the assistant to record a recurring rule into context/foundation/lessons.md, for example by invoking the skill with a seed like "feature flags should always have a kill date" and answering the four prompts.

Frequently Asked Questions about 10x-lesson

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I capture a recurring coding rule for future AI reviews?▼

Invoke the skill with an optional freeform seed describing the rule, then answer four prompts covering Context, Problem, Rule, and Applies-to. The skill appends a formatted entry to context/foundation/lessons.md after you confirm.

What counts as a lesson versus a one-off bug fix?▼

A lesson is a recurring rule that would have changed framing or fixes on past work and will keep coming up. Single-incident write-ups do not qualify and should not be captured through this skill.

Can I edit or delete existing lessons in lessons.md?▼

No, the register is append-only by design. The skill never edits, reorders, or deduplicates existing entries; revisions require manually editing the file, which is intentional friction against careless rule rewrites.

What happens if lessons.md does not exist yet?▼

The skill self-bootstraps by creating context/foundation/lessons.md with a canonical five-line header, then appends your entry. You do not need to run any initialization step first.

Can I batch multiple lessons in one invocation?▼

No, the skill enforces one entry per invocation to prevent half-written entries. Invoke it multiple times if you have several rules to capture.

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