Popular Coding & Development Skills

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Propose Hypotheses

Execute complete FPF cycle from hypothesis generation to decision

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Reflect

Reflect on previus response and output, based on Self-refinement framework for iterative improvement with complexity triage and verification

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Reset

Reset the FPF reasoning cycle to start fresh

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Resolve Fixed Pr Comments

Verify what PR review comments have been addressed (committed/pushed OR uncommitted local changes) and resolve the threads that are genuinely fixed or no longer relevant.

R

Review Pr

Review an existing GitHub pull request and post inline review comments on its diff. Use when the changes are on an opened PR rather than your local working tree.

S

Setup Codemap Cli

Guide for setup Codemap CLI for intelligent codebase visualization and navigation

T

Test Prompt

Use when creating or editing any prompt (commands, hooks, skills, subagent instructions) to verify it produces desired behavior - applies RED-GREEN-REFACTOR cycle to prompt engineering using subagents for isolated testing

T

Traiage Review

This skill should be used when need prioritize what changed code in repository human must review.

W

Why

Iterative Five Whys root cause analysis drilling from symptoms to fundamentals

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Thinking Circle Of Competence

Use when a specific claim may lack grounding. Check evidence boundary, size wrongness cost, then answer, fetch, or abstain — never confabulate.

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Thinking Cynefin

When the right response mode is unclear, classify the cause-effect domain first; decompose disorder.

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Thinking Effectuation

Under genuine uncertainty with no reliable forecast, inventory means, cap downside at affordable loss, act for commitments, and let goals emerge from controllable moves.

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Thinking First Principles

When a constraint is treated as fixed, separate physics from convention, keep only independently supported primitives, and rebuild the simplest solution that satisfies real constraints.

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Thinking Five Whys Plus

When a fault is localized and the proximate cause is known but the systemic root is not, chain evidence-linked whys with a counterfactual stop and a countermeasure.

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Thinking Jobs To Be Done

Deciding what to build or why adoption fails. Recover the progress users hire a solution for under a circumstance, then rank by outcome and competing workarounds.

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Thinking Kepner Tregoe

Use when a selective defect needs IS/IS-NOT difference analysis or a consequential option choice needs must/want weighting and adverse-consequence comparison.

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Thinking Lindy Effect

Use when longevity of a non-perishable option matters. Treat survival duration as a remaining-life prior, then check domain drift before favoring the proven.

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Thinking Map Territory

When a claim, doc, test, metric, or assumption conflicts with observed behavior, stop theorizing from the map and verify the live code or data; let territory overrule.

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Thinking Margin Of Safety

When provisioning, setting a limit, or committing an estimate under uncertainty, size a buffer to residual error and the cost of breach—not to the optimistic edge.

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Thinking Model Combination

When one mental model leaves a material blind spot on a multi-domain or high-stakes problem, sequence complementary models with named roles and a conflict rule.

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Thinking Model Router

When unsure which thinking skill fits, map domain and problem type, then return NONE or one primary skill by default (at most three complementary).

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Thinking Ooda

Use under time pressure when the situation is still changing and you must act before certainty — cycle Observe→Orient→Decide→Act on ~70% confidence, then re-observe.

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Thinking Opportunity Cost

Before committing scarce time, people, or money, name the best forgone use of those resources and the value delta of the chosen path versus that alternative.

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Thinking Pre Mortem

Before committing to a plan or launch, assume it already failed and reason backward through concrete causes — convert failure paths into mitigations, gates, and stop checks.

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Thinking Probabilistic

Use when forecasting, estimating, or sizing risk — anchor on base rates, give ranges, update prior→likelihood→posterior on evidence, and factor unmeasured quantities into order-of-magnitude bounds.

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Thinking Reversibility

Before heavy deliberation, classify the decision as cheap or costly to undo; decide two-way doors fast and stage one-way doors to preserve options.

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Thinking Scientific Method

When a symptom has several plausible causes, rank falsifiable hypotheses and run the cheapest discriminating observation first; prefer least-assumptive survivors only after evidence fit.

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Thinking Socratic

When a request is vague, assumption-laden, or "obvious," ask the few load-bearing questions that expose hidden requirements before building or committing.

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Thinking Steel Manning

Before rejecting a proposal or reflexively agreeing, build the strongest faithful opposing case, state agreement conditions, then update or reaffirm.

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Thinking Systems

When behavior is emergent across components—fixes elsewhere break, loops/delays dominate—map boundary, stocks/flows, feedback, archetypes, then rank leverage.

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Thinking Theory Of Constraints

When throughput or latency is pipeline-limited, identify the single binding constraint and exploit, subordinate, elevate, then recheck—ignore non-constraints.

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Thinking Thought Experiment

When a real test is too rare, large, or irreversible, run a controlled counterfactual: isolate one variable, fix conditions, trace the mechanistic chain, and bound what the result implies.

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Thinking Triz

When two design requirements seem mutually exclusive, name the contradiction, separate conflicting states, then invent a concrete no-compromise resolution.

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Thinking Via Negativa

Use when the reflex is to add a feature, layer, or process. Prefer removing harmful or nonessential elements first, with an irreversibility guard before deletion.

M

Makepad 2.0 Performance

CRITICAL: Use for Makepad 2.0 performance optimization and debugging. Triggers on: makepad performance, makepad debug, makepad profiling, makepad gc, new_batch, texture_caching, render optimization, draw batching, mod.gc, garbage collection, memory, debug logging, troubleshoot, ViewOptimize, PortalList, CachedView, render tree, invisible text, text disappears, UI freezes, scroll stuttering, 性能, 调试, 优化, 垃圾回收, 渲染, 批处理, 日志

A

Agent Teams

Claude Code Agent Teams - default team-based development with strict TDD pipeline enforcement

A

Agentic Development

Build AI agents with Pydantic AI (Python) and Claude SDK (Node.js)

A

Ai Models

Latest AI models reference - Claude, OpenAI, Gemini, Eleven Labs, Replicate

F

Flutter

Flutter development with Riverpod state management, Freezed, go_router, and mocktail testing

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Python

Python development with ruff, mypy, pytest - TDD and type safety

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React Native

React Native mobile patterns, platform-specific code

A

Android Java

Android Java development with MVVM, ViewBinding, and Espresso testing

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Android Kotlin

Android Kotlin development with Coroutines, Jetpack Compose, Hilt, and MockK testing

A

Azure Cosmosdb

Azure Cosmos DB partition keys, consistency levels, change feed, SDK patterns

B

Base

Universal coding patterns, constraints, TDD workflow, atomic todos

C

Code Deduplication

Prevent semantic code duplication with capability index and check-before-write

C

Codex Review

OpenAI Codex CLI code review with GPT-5.2-Codex, CI/CD integration

C

Commit Hygiene

Atomic commits, PR size limits, commit thresholds, stacked PRs