An evidence-graded library of agent-executable thinking-method skills (premortem, problem restatement, and more). Each skill is reduced to its working mechanism, graded honestly on how strong its evidence actually is, and produces a concrete artifact rather than prose. Use to reframe a problem, challenge assumptions, generate options, stress-test a decision, or audit reasoning.
Uses power tools
Uses Bash, Write, or Edit tools
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Builds an abstraction ladder that moves a problem up ("why / to what end?") and down ("how / what specifically?") to locate the right altitude to work at, then marks one rung as the working level. Use when a problem is stated as a bare solution with an unstated purpose, as a vague aspiration with no concrete handle, when people are arguing past each other at different levels, or before committing effort at an altitude nobody chose on purpose.
Produces a clustered theme map that groups many raw notes, observations, quotes, or data points bottom-up into a small set of named, traceable themes (the KJ method). Use when a scattered pile of dozens to hundreds of existing items needs to become a few emergent themes, such as synthesizing user-research notes, support tickets, survey free-text, or retro stickies, and the right structure should emerge from the data rather than be imposed.
Produces a structured after-action review by comparing what was expected against what actually happened, diagnosing why the gaps occurred, and converting them into specific owned sustain-and-change actions. Use when a project, launch, sprint, or incident has finished and you want to turn the outcome into learning, not a status update.
Handles a by-name request for ACH (Analysis of Competing Hypotheses), the evidence-by-hypothesis disconfirmation matrix, honestly. Controlled trials found ACH raises confidence with no accuracy gain and does not reduce confirmation bias, so this skill does NOT build the matrix as if valid. It leads with that evidence, then routes to the evidence-based move the job actually needs (think-red-team-light, think-evidence-vs-inference-sort, or think-what-would-have-to-be-true). Use only when someone asks for ACH or a competing-hypotheses matrix by name.
Produces an argument map by laying out a claim's supporting reasons, the co-premises each silently depends on, and the objections against it as an explicit structure, then flags the weakest links and unsupported premises. Use when an argument or recommendation must be evaluated for soundness, or when a fluent case may be hiding a broken inference.
An evidence-graded library of agent-executable thinking-method skills.
Every method is reduced to its working mechanism, graded honestly on how strong its evidence actually is, and shipped as a skill that produces a concrete artifact, not prose.
What it is · Install · Frameworks · Evidence · Recipes · Live site
AI agents are fluent and fast, and surprisingly weak at the moves that make thinking actually good: reframing a problem before solving the wrong one, separating evidence from inference, imagining how a plan fails before it does, stress-testing a decision from more than one angle. Humans are not much better under time pressure. Both converge too early.
thinking-framework-skills packages the durable core of the structured-thinking tradition (decision science, creativity research, systems thinking, foresight, critical thinking) as small, composable, agent-ready skills. Each one helps a person or an agent reframe a problem, generate options, challenge an assumption, trace a consequence, or stress-test a decision, and hands back a usable artifact.
Three things make it different from a list of mental models:
| It is | It is not |
|---|---|
| Mechanism-first - the durable cognitive move, named for what it does | A museum of trademarked frameworks |
| Evidence-graded - an honest tier (S/M/P/V/A/C/X) on every skill, including "weaker than people think" | A confident claim that every method is "proven" |
| Artifact-producing - a risk register, an option matrix, an argument map, a Thinking Plan | A set of vibes-y prompts |
| Composable - skills chain into recipes, passing a compressed artifact at each step | A pile of unrelated one-offs |
| Honest about misuse - every skill names where it misleads ("when NOT to use this") | A cargo-cult checklist |
Relationship to pm-skills: sibling library, no technical coupling. thinking-framework-skills helps decide what to work on and why it is sound; pm-skills helps execute how. They compose; neither depends on the other.
Claude Code (recommended):
/plugin marketplace add product-on-purpose/agent-plugins
/plugin install thinking-framework-skills@product-on-purpose
All 63 frameworks (plus the 4 tools and 9 recipes) become available immediately, invocable by name (for example /think-premortem).
Cross-agent (Cursor, Copilot, Cline, and others via the open skills CLI):
npx skills add product-on-purpose/thinking-framework-skills
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