Skill Claude CodeCodex
Drafts short, on-brand replies to public social comments and DMs, including graceful handling of praise, questions, complaints, and criticism. Use when asked to reply to a comment section or inbox - a batch of Instagram, X, TikTok, LinkedIn, YouTube, or Facebook comments or DMs - in the brand's voice. Do NOT use when…
Skill Claude CodeCodex
Defines and applies an SLO error-budget policy that gates feature work versus reliability work based on remaining budget. Use when setting up SLOs or when high burn rate lacks a formal team response protocol.
Skill Claude CodeCodex
Designs typed, observable, recoverable error handling - an explicit taxonomy of retryable vs terminal failures, Result types at boundaries, single-point logging, and retry policies with real backoff numbers. Use when someone asks "should I retry this error", "how do I structure error types", "why are my logs full of…
Skill Claude CodeCodex
Rewrites error messages to be specific, actionable, and blame-free - what happened, why it helps to know, and what to do next - with tone calibrated to severity and developer-facing detail kept separate from the user-facing text. Use when someone asks "rewrite this error message", "our app just says something went…
Skill Claude CodeCodex
Writes a tight escalation summary to engineering or management with a one-line headline, quantified customer impact, repro steps, prior attempts, and a single clear ask. Use when someone says "I need to escalate this ticket", "write this up for engineering", "this bug needs eng eyes", or a support issue must leave the…
Skill Claude CodeCodex
Compresses long reports, memos, and analyses into a decision-ready one-page summary (250-350 words) - bottom line up front, 3-5 evidence-backed key findings, a specific owned-and-dated recommendation, risks with mitigations, and the exact decision or resource being requested - plus a separate list of unverifiable…
Skill Claude CodeCodex
Builds a systematic expansion playbook for existing SaaS customers - a catalog of usage triggers (limit approach, new team adoption, milestone hit) with routing rules, outcome-anchored upsell and cross-sell talk tracks, ownership and comp models, and metrics led by net revenue retention. Use when someone asks "how do…
Skill Claude CodeCodex
Drafts a clear, enforceable expense and approval policy - per-category spend limits, a dollar-tiered approval matrix, receipt and documentation rules, 30/90-day submission deadlines, and audit sampling. Use when someone says "write our expense policy", "who should approve what spend", "set reimbursement rules", or is…
Skill Claude CodeCodex
Sets up disciplined ML experiment tracking - run logging schemas, artifact versioning, naming conventions, and reproducibility standards - and produces the run-record template a team actually follows. Use when someone asks "how should we track our ML experiments", "why can't we reproduce this result", "how do I set up…
Skill Claude CodeCodex
Designs an expert-interview package - sourcing criteria for the right experts, a funneled discussion guide with timing, open-then-probe question design, laddering, and a neutral probe kit - that extracts honest insight without leading the witness. Use when someone asks "help me write questions for an expert call"…
Skill Claude CodeCodex
Read a captured EXPLAIN ANALYZE plan, name the single bottleneck node, and prescribe a targeted fix for it. Use when a specific query is slow and you have (or can capture) its execution plan from Postgres or MySQL and need to know WHICH node is burning the time and why.
Skill Claude CodeCodex
Verifies discrete factual claims against multiple independent sources and returns a calibrated verdict - Verified, Likely true, Likely false, Unverifiable, or False - with confidence and citations. Use when someone asks "is this true", "fact-check this claim", "did X really happen", "verify this statistic before we…
Skill Claude CodeCodex
Designs feature-flag systems and lifecycle policy - flag taxonomy (release, ops/kill-switch, experiment, permission), percentage rollouts with stable bucketing, safe defaults, and mandatory removal deadlines so flags don't rot into dead code. Use when someone asks "how should I roll this out behind a flag", "kill…
Skill Claude CodeCodex
Designs a reusable, leakage-safe feature store - entity and naming contracts, point-in-time correct training joins, feature versioning, online/offline consistency with staleness SLOs, and governance. Use when someone asks "should we build a feature store", "how do I share features across models", "our model trains…
Skill Claude CodeCodex
Drafts specific, observable, kind workplace feedback using the SBI model - Situation, Behavior, Impact - for both praise and correction. Use when someone asks "help me give feedback to a teammate", "how do I tell my report they keep missing deadlines", "make this feedback less vague", or wants to reinforce a good…
Skill Claude CodeCodex
Writes individual fiction scenes with goal-conflict-turn structure, sensory grounding, interiority, and subtext-driven dialogue - then notes the turn accomplished and one craft choice so the writer can learn from it. Use when someone asks "write this scene for my novel", "my dialogue feels flat", "make this moment…
Skill Claude CodeCodex
Use when a task needs live or historical money data - "convert USD to EUR", "current/past exchange rate", "FX rate on this date / over this range", or "current price of Bitcoin/Ethereum, market cap, 24h change". Frankfurter (ECB reference rates, no key) is the FX default; CoinGecko's free keyless tier covers crypto.…
Skill Claude CodeCodex
Builds a complete personal financial plan - a prioritized order of operations across budgeting, emergency savings, debt payoff, and goals - from the user's actual numbers, then routes each piece to the right specialist skill. Use when someone asks "help me get my finances in order", "where should my money go first"…
Skill Claude CodeCodex
Builds and interprets the income statement, balance sheet, and cash flow statement as one linked system - construction order, the three mechanical ties between statements, and the review checks that catch errors. Use when someone asks "build me a three-statement model", "why doesn't my balance sheet balance", "how…
Skill Claude CodeCodex
Use when someone asks to build a HIIT plan, interval-training block, metabolic conditioning or metcon, circuit training, work-capacity training, conditioning for fat loss, or high-intensity "get in shape" cardio (not easy steady-state). Builds a metabolic-conditioning block - interval and circuit work using EMOM…
Skill Claude CodeCodex
Root-causes intermittently failing tests and eliminates the hidden dependency at its source instead of retrying around it. Use when a test passes locally but fails in CI, goes green on a CI re-run, fails roughly one run in ten, or is already tagged "flaky." Do NOT use when the task is to design the fake or stub that…
Skill Claude CodeCodex
Architects Flutter widget trees and Riverpod or Bloc state so rebuilds are scoped, build() stays pure, and const widgets skip recomposition. Use when someone asks "why is my Flutter screen janky", "should I use Riverpod or Bloc", "my whole page rebuilds when one field changes", or is building or refactoring Flutter…
Skill Claude CodeCodex
Produces long-form business and consulting reports with a standalone executive summary, three-level heading hierarchy, and skimmability rules that let a busy reader navigate in under two minutes. Use when someone asks "write up this analysis as a report", "structure my strategy brief", "turn these findings into a…
Skill Claude CodeCodex
Builds a driver-based FP&A operating model linking business inputs to P&L, balance sheet, and cash flow outputs. Use when building an annual plan, preparing investor materials, running scenario analysis, or stress-testing the business.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: