figure-it-out

figure-it-out is a skill for Claude Code from ericlitman/open-pstack. It costs 63 tokens per session (883 once invoked), scanned A, a copy of figure-it-out, MIT.

A planning method for large, unfamiliar, or multi-stage engineering work. It creates a step-by-step playbook, tests assumptions, and records decisions so someone else can review the work later.

In plain words
What is it for?
Use it for major migrations, broad code changes, ambitious projects, or work that needs a carefully documented plan before implementation.
Why use it?
It reduces the risk of starting with the wrong approach or losing track of important decisions during a complex project.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents.

Part of the pstack plugin — 63 skills, 27 agents, 1 hook shipped together

Good fit Use it for major migrations, broad code changes, ambitious projects, or work that needs a carefully documented plan before implementation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ericlitman/open-pstack/figure-it-out
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add ericlitman/open-pstack --skill figure-it-out
Clone the repo
git clone --depth 1 https://github.com/ericlitman/open-pstack

Made for: Claude Code.

Or install pstack, the plugin that ships this one along with the rest of its 63 skills, 27 agents, 1 hook.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for figure-it-out

README.md
[![agentmods](https://agentmods.dev/badge/skills/ericlitman/open-pstack/figure-it-out/github.svg)](https://agentmods.dev/skills/ericlitman/open-pstack/figure-it-out)
Your own site
<a href="https://agentmods.dev/skills/ericlitman/open-pstack/figure-it-out"><img src="https://agentmods.dev/badge/skills/ericlitman/open-pstack/figure-it-out/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for figure-it-out

Your own site · 80×15
<a href="https://agentmods.dev/skills/ericlitman/open-pstack/figure-it-out"><img src="https://agentmods.dev/badge/skills/ericlitman/open-pstack/figure-it-out.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 883 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00063 $0.00883
Opus 5.5 $0.00025 $0.00353
Sonnet 5.5 $0.00013 $0.00177
Haiku 4.5 $0.00006 $0.00088

Measured 7d ago against content hash 0936219614b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

figure-it-out scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to figure-it-out — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/pstack/skills/figure-it-out/SKILL.md · 52 lines

How it starts

The opening of the file, as written. The whole thing — 52 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Figure it out

When the task matches no playbook, design one. The deliverable before any code is the workflow itself: a sequence of phases that scales rigor to the task, runs the scientific method, and leaves a decision trail a human can audit after stepping away.

Start

Open a todolist whose first item is to read the Principles section of the poteto-mode skill. Then add the phases below as todos.

Phase A: Frame

Ground first, then commit. Don't start the run until you can state:

  • The definition of done as a falsifiable predicate (the prove-it-works principle skill).
  • Scope, quantified: rough units and effort, plus the blockers grounding surfaced.
  • The rigor level, biased high. One-way doors and high blast radius get more. Reversible low-stakes steps get less. Rigor is gates and artifacts, not "try harder".

Present the framing and tradeoffs before committing to a long run. Reversible work proceeds (the never-block-on-the-human principle skill), but a multi-hour run earns one checkpoint.

Phase B: Design the workflow

Decompose into atomic, independently-landable units. Sequence riskiest-unknown-first. Scaffold and verification come before features (the foundational-thinking principle skill).

  • Build the verification harness before the work, with the baseline captured from the pre-change state, so the check reads as "old value vs new value".
  • For one-way-door design decisions, run the architect skill (it runs arena). Skip it for mechanical work whose shape is already concrete. A second arena over a settled design is over-engineering (the laziness-protocol principle skill).
  • Decide what fans out. Parallelize only across seams, and give each worker its own worktree or branch (the separate-before-serializing-shared-state principle skill). Don't over-fan. Pick each subagent's effort for the job, per the Subagents section of the poteto-mode skill.
  • Write the designed phase list down. That list is what the human reviews.

Read the full file on GitHub · 52 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago Changed 0936219614b6
  2. 12d ago Changed · -1 lines · -17 tokens per session b4358221ab0d
  3. 22d ago Changed 88ae794a0add
  4. 1mo ago Changed · -2 lines 8603f1e468f7
  5. 1mo ago First seen · 55 lines · 80 tokens per session scan A 8f897c884f64

Subscribe to this mod's changes

figure-it-out is a skill published in the GitHub repository ericlitman/open-pstack (518 stars, last pushed yesterday), licensed MIT. It adds 63 tokens to every session and 883 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to figure-it-out, differing in 2 lines, and is treated as a copy.

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