skills/decision-maker/SKILL.md
Use this skill when you face a complex or high-stakes decision and need a structured framework to evaluate options objectively. Ideal for career choices, product prioritization, vendor selection, or any multi-criteria trade-off. Not for trivial daily decisions or situations that require licensed professional advice.
npx skillsauth add nickcrew/claude-cortex decision-makerInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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This skill applies proven decision-making frameworks—pros/cons analysis, weighted scoring matrices, RICE prioritization, the Eisenhower urgency-importance matrix, and pre-mortem analysis—to help you cut through ambiguity and make defensible, well-reasoned choices. By externalizing the decision into a structured format you reduce cognitive bias, surface hidden trade-offs, and create a record of your reasoning that can be revisited or shared with stakeholders.
| Framework | Best For | Output | |-----------|----------|--------| | Pros / Cons | Simple binary choices, fast gut-check | Two-column list | | Weighted Scoring Matrix | Multi-option, multi-criteria trade-offs | Ranked score table | | RICE | Feature or project prioritization | Priority-ranked backlog | | Eisenhower Matrix | Task triage and time management | 4-quadrant urgency/importance grid | | Pre-Mortem | Risk identification before committing | List of failure modes and mitigations |
Clarify the decision — State the decision in one clear sentence. Define what "success" looks like and the deadline by which you must decide.
Enumerate options — List every realistic option, including "do nothing" or "defer." Aim for at least two, no more than six manageable choices.
Choose a framework — Match the framework to the decision type: use Pros/Cons for simple binary choices; Weighted Scoring for multi-criteria comparisons; RICE for backlog prioritization; Eisenhower for task triage; Pre-Mortem for risk stress-testing.
Define criteria (Weighted Scoring) — Identify 3–7 criteria that matter most (e.g., cost, time-to-value, strategic fit, risk). Assign each a weight from 1–5 reflecting its relative importance.
Score each option — Rate every option against each criterion on a 1–10 scale. Multiply by weight. Sum the totals. Higher scores indicate better overall fit.
Apply RICE (if prioritizing work) — For each item calculate: Reach × Impact × Confidence ÷ Effort. Reach = users affected; Impact = 1–3 scale; Confidence = percentage (0–100); Effort = person-weeks.
Map urgency vs. importance (Eisenhower) — Plot tasks on a 2×2 grid: Do Now (urgent + important), Schedule (important, not urgent), Delegate (urgent, not important), Eliminate (neither).
Run a pre-mortem — Imagine it is 12 months from now and the chosen option has failed spectacularly. Brainstorm every plausible cause. Use this list to add mitigations or re-weight criteria.
Check for bias — Review the analysis for sunk-cost fallacy, status-quo bias, and confirmation bias. Ask: "Would I choose this if I were starting fresh?"
Document and decide — Write a one-paragraph decision summary: chosen option, top three reasons, top two risks and their mitigations, and a review date.
Input: "I have a stable senior engineer role at a Fortune 500 paying $160k. A Series B startup offered me a staff engineer role at $140k base + 0.4% equity. I have a mortgage and two kids. Help me decide."
Output:
Weighted Scoring Matrix
Criteria | Weight | Fortune 500 (score) | Fortune 500 (weighted) | Startup (score) | Startup (weighted) --- | --- | --- | --- | --- | --- Financial security | 5 | 9 | 45 | 5 | 25 Career growth | 4 | 5 | 20 | 9 | 36 Compensation upside | 3 | 4 | 12 | 8 | 24 Work-life balance | 4 | 7 | 28 | 5 | 20 Mission alignment | 2 | 4 | 8 | 8 | 16 Total | | | 113 | | 121
Pre-Mortem (Startup): Startup runs out of runway (mitigate: verify 18+ months runway, ask for accelerated vesting cliff), role scope shrinks post-hire (mitigate: get title and scope in writing).
Recommendation: The startup scores marginally higher, but the margin is within noise given your dependence on financial stability. Negotiate: request a $150k base, 12-month cliff vesting, and written role definition before accepting. If negotiation fails, the stability of the Fortune 500 warrants staying.
Input: "We have 5 features to prioritize for Q3: (A) SSO login, (B) CSV export, (C) Mobile app, (D) Audit logs, (E) Bulk delete. We serve 2,000 enterprise users."
Output:
RICE Scores
Feature | Reach | Impact | Confidence | Effort (wks) | RICE Score --- | --- | --- | --- | --- | --- A – SSO Login | 1,800 | 3 | 90% | 3 | 1,620 D – Audit Logs | 1,500 | 2 | 80% | 2 | 1,200 B – CSV Export | 1,200 | 2 | 95% | 1 | 2,280 E – Bulk Delete | 800 | 1 | 90% | 0.5 | 1,440 C – Mobile App | 600 | 3 | 60% | 12 | 90
Recommended Priority: B → A → E → D → C. CSV Export delivers the highest RICE score at low effort. Mobile App scores last due to high effort and low confidence — defer to Q4 or a dedicated mobile initiative.
development
Product vision, roadmap development, and go-to-market execution with structured prioritization frameworks. Use when evaluating features, planning product direction, or assessing market fit.
development
Complete operational workflow for implementer agents (Codex, Gemini, etc.) making code changes and writing tests. Drives all work through atomic commits — each loop operates on the smallest complete, reviewable change. Defines the Code Change Loop, Test Writing Loop, Lint Gate, and Issue Filing process with circuit breakers, severity levels, and escalation rules. Requires `cortex git commit` for all commits. Includes bundled provider-aware review scripts that keep same-model shell-outs as the last resort, plus a fresh-context Codex fallback for code review and test audit. Use this skill when starting any implementation task.
development
Use this skill when writing product requirements documents, prioritizing features, creating user stories, defining acceptance criteria, or setting product metrics. Trigger phrases: 'write a PRD for', 'prioritize this feature backlog', 'write user stories for', 'help me define acceptance criteria', 'what metrics should we track for'. Not for writing code, designing UI mockups, or conducting user research interviews.
tools
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.