Skill Claude CodeCodex
Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes — Standards (does the code follow this repo's documented coding standards?) and Spec (does the code match what the originating issue/spec asked for?). Runs both reviews in parallel sub-agents and reports them side by side. Use…
Skill Claude CodeCodex
Start and scale networked products using Andrew Chen's "The Cold Start Problem" framework for network effects. Use when the user mentions "network effects", "chicken and egg", "cold start", "two-sided marketplace", "atomic network", "hard side", "liquidity", "critical mass", "invite-only launch", "how do I get my…
Skill Claude CodeCodex
Critical thinking and logical reasoning analysis skills for when you are explicitly asked to critically analyse written content such as articles, blogs, transcripts and reports (not code).
Skill Claude CodeCodex
Compares multiple named alternatives against weighted criteria to produce transparent, defensible choices with explicit trade-off analysis. Covers criterion identification, weighting approaches (direct allocation, pairwise comparison, stakeholder averaging), scoring calibration, sensitivity analysis, and group…
Skill Claude CodeCodex
Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.
Skill Claude CodeCodex
DDD tactical patterns for complex business modeling including entities, value objects, aggregates, domain services, repositories, specifications, and bounded contexts. Python dataclass implementations with TypeScript alternatives. Use when building rich domain models, enforcing invariants, or separating domain logic…
Skill Claude CodeCodex
Break down complex problems to their fundamental truths, then reason up from there. Master Aristotle's ancient method modernized by Elon Musk to solve seemingly impossible problems. Use when: Facing a "impossible" problem where conventional solutions don't work; Challenging industry assumptions that everyone accepts…
Skill Claude CodeCodex
"Invert, always invert." Apply Carl Jacobi's mathematical principle and Charlie Munger's investing wisdom to solve problems by thinking backward from failure. Use when: Goal setting - Define what would guarantee failure, then avoid it; Risk analysis - Identify what could destroy your project before starting; Decision…
Skill Claude CodeCodex
Discover what customers truly need by analyzing the "job" they hire your product to do. Use when the user mentions "customer discovery", "why customers churn", "what job does this solve", "competing against luck", "product-market fit", "switching behavior", "milkshake moment", or "functional vs emotional jobs". Also…
Skill Claude CodeCodex
Help users understand the core mechanics of marketplace businesses, from solving the cold start problem to maintaining quality and preventing platform leakage at scale.
Skill Claude CodeCodex
Help users define precise liquidity metrics, set competitive take rates based on value delivery, and manage the delicate balance between supply-side health and platform profitability.
Skill Claude CodeCodex
Imagine your project has failed spectacularly—then work backward to identify why. Apply Gary Klein's "prospective hindsight" technique to catch failures before they happen. Use when: Before launching a product, campaign, or major initiative; Before making an important decision (hiring, investment, partnership)…
Skill Claude CodeCodex
Think beyond immediate consequences to understand the chain reactions of decisions. Master Howard Marks' investment framework for seeing what others miss. Use when: Strategic decisions where long-term consequences matter; Policy/rule changes that will trigger behavioral responses; Competitive moves to anticipate…
Skill Claude CodeCodex
Apply Edward de Bono's parallel thinking framework (1985) to make better decisions by examining ideas from six distinct perspectives systematically. Use when: Making complex decisions that require multiple perspectives; Evaluating new products, offers, or strategies before launch; Breaking out of analysis paralysis…
Skill Claude CodeCodex
Help users identify whether supply or demand is their primary growth bottleneck and apply tactical levers to achieve marketplace liquidity and long-term health.
Skill Claude CodeCodex
Perform a detailed SWOT analysis — strengths, weaknesses, opportunities, and threats with actionable recommendations. Use when doing strategic assessment, competitive analysis, or evaluating a product or business position.
Skill Claude CodeCodex
Help users think in systems and understand complex dynamics. Use when someone is dealing with multi-stakeholder problems, trying to understand second-order effects, managing platform ecosystems, or analyzing complex organizational dynamics.
Skill Claude CodeCodex
Generate an interactive bash wizard that walks a human through steps only they can perform. Use when provisioning infrastructure, setting up credentials or CI secrets, walking an unfamiliar third-party dashboard, or running a one-off migration or cutover. Don't invoke this for steps the agent can perform itself.
Plugin Claude Code
AI development system — skills, agents, and hooks for systematic software engineering with Claude Code.
MCP server Claude CodeCodexCursor +2
MCP server "brana" as configured in martineserios/thebrana. Launched with ${HOME}/.local/bin/brana-mcp. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "ruflo" as configured in martineserios/thebrana. Launched with ${HOME}/enter_thebrana/thebrana/system/scripts/ruflo-mcp.sh mcp start. Needs 1 environment variable to run.
Agent
A context append names the home of record and a one-line gist; it never restates the content. If an inline append grows past a paragraph, that is the signal it is really one of these documents.
Command
All brana commands, grouped by workflow.
Plugin Claude Code
AI development system — skills, agents, and hooks for systematic software engineering with Claude Code.