Skill Claude CodeCodex
Writes pinning and characterization tests that lock in the current behavior of untested legacy code - bugs included - before a refactor, so any later behavior change trips an alarm. Use when someone says "I need a safety net before refactoring this", "this module has no tests and I have to change it", "capture what…
Skill Claude CodeCodex
Diagnoses SaaS churn root causes through cohort analysis and a seven-category taxonomy, then builds segmented intervention playbooks ranked by frequency, revenue at stake, and addressability - including save-offer economics. Use when someone asks "why is our churn so high", "build a churn reduction plan", "should we…
Skill Claude CodeCodex
Wraps flaky upstream dependencies in circuit breakers, aggressive timeouts, and per-dependency bulkheads so a slow or failing service degrades gracefully instead of cascading into a full outage. Use when a slow or unavailable upstream is stalling your threads, outbound calls hang with no timeout, one dependency's…
Skill Claude CodeCodex
Verifies that every citation is real, unretracted, and complete, rates source quality by evidence tier, and formats reference lists precisely in APA, MLA, Chicago, or IEEE. Use when someone asks "check my references", "format this bibliography in APA", "are these citations real", or "convert my reference list to…
Skill Claude CodeCodex
Decomposes a claim into checkable propositions, traces each through the citation chain to its primary source, appraises the evidence for method and independence, and issues a verdict from Supported to Contradicted with confidence. Use when someone asks "is this claim actually backed by the study it cites", "verify the…
Skill Claude CodeCodex
Designs ClickHouse schemas and queries for fast analytics - MergeTree engine selection, ORDER BY key design, partitioning, materialized views, and projections. Use when someone asks "why is my ClickHouse query slow", "how should I order my sorting key", "should I use a materialized view or projection", "how do I…
Skill Claude CodeCodex
Detect at-risk agency retainer clients early and run the save - a ranked early-warning signal list, the diagnose-before-prescribing save-call procedure with a word-for-word script skeleton, the re-scope-down-not-lose rule, and the 90-day post-loss win-back window. Use when an agency owner says "I think we're about to…
Skill Claude CodeCodex
Design an agency's client communication operating system - a channel contract per client tier, the weekly pulse / monthly report / quarterly QBR ladder, same-business-day response SLAs, the no-surprises rule for bad news, and internal escalation triggers. Use when an agency owner says "clients keep asking what we're…
Skill Claude CodeCodex
Runs a first-14-days client onboarding procedure - kickoff agenda, asset and access collection checklist, a written communication contract, and the first-quick-win rule of shipping something visible in week one. Use when a freelancer or consultant says "new client just signed, now what", "how do I kick off this…
Skill Claude CodeCodex
Produces the weekly 5-block client status report - done, next, blocked, decisions needed, budget/hours - in a 15-minute time cap, from a copy-paste template with [FILL] fields. Use when a freelancer or consultant says "client asked what they're paying for", "how do I keep clients updated", "write my weekly status…
Skill Claude CodeCodex
Produces structured, faithful clinical summaries - either a patient-record summary with strict chronology, medication reconciliation, and expanded abbreviations, or a clinical-study summary with effect sizes, absolute risks, harms, and limitations. Use when someone asks "summarize this patient chart", "turn these…
Skill Claude CodeCodex
Produce and run a word-for-word gym intro-consult script using the CLOSER sequence (Clarify, Label, Overview, Sell, Explain, Reinforce) to take a booked lead to a paid membership. Use when a gym owner or coach asks for a sales script, says "how do I close the consult", "intro consult", "no-sweat consult", "CLOSER…
Skill Claude CodeCodex
Fans one long-form pillar asset (video, podcast episode, or article) out into 10+ platform-native atomic pieces with a derivation map - clips, quote cards, threads, LinkedIn posts, newsletter and blog sections - each recast in the target platform's register and sequenced over the week. Use when someone says "turn this…
Skill Claude CodeCodex
Designs a sustainable publishing system for a solo creator - 3-4 content pillars, a cadence set at the creator's consistent floor, a fixed pillar rotation, a 30-day idea bank, and a monthly audit loop - delivered as a weekly calendar skeleton. Use when someone says "help me plan my content", "I keep falling off my…
Skill Claude CodeCodex
Produces complete podcast show notes from a transcript or episode outline - a standalone summary block, timestamped chapters that name what happens, screenshot-worthy key takeaways, guest bio, curated links, and keyword placement for search. Use when someone says "write show notes for this episode", "turn this…
Skill Claude CodeCodex
Produces three distinct high-CTR YouTube thumbnail concepts per video - each a full spec with focal point, precise facial-expression direction, text overlay copy, color and background direction, and two paired title variants. Use when someone says "I need a thumbnail idea", "why is my CTR low", "help me pick a…
Skill Claude CodeCodex
Writes the spoken line plus visual frame combination for the first 3 seconds of a short-form video, delivering labeled variants built from six proven hook formulas and matched to TikTok, Reels, or Shorts. Use when someone says "write a hook for this video", "my Shorts die in the first seconds", "give me openers for…
Skill Claude CodeCodex
Designs a complete webinar funnel - registration page promise, reminder email sequence timed against typical 35-45 percent show-up rates, webinar structure with a 70 percent teach / 30 percent offer split and the pivot script, replay window and urgency rules, and the post-webinar email sequence - with a funnel-metrics…
Skill Claude CodeCodex
Writes retention-engineered long-form YouTube scripts on a hook/body/payoff architecture - a first-30-seconds hook that survives the retention cliff, a beat-sheet body with mini-hooks and bridges, timed pattern interrupts, and a payoff that over-delivers - with B-roll and editing cues marked inline. Use when someone…
SkillMedev/academic-researcher
Skill Claude CodeCodex
Structures and drafts argumentative academic essays - a contestable thesis, claim-evidence-analysis body paragraphs, a fairly-engaged counterargument, and a synthesizing conclusion - marking every spot that needs a real citation instead of inventing sources. Use when a student or writer asks "help me outline my…
SkillMedev/academic-researcher
Skill Claude CodeCodex
Verifies that every citation is real, unretracted, and complete, rates source quality by evidence tier, and formats reference lists precisely in APA, MLA, Chicago, or IEEE. Use when someone asks "check my references", "format this bibliography in APA", "are these citations real", or "convert my reference list to…
SkillMedev/academic-researcher
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…
SkillMedev/academic-researcher
Skill Claude CodeCodex
Produces a thematic literature review that organizes a field into an argument - consensus, disputes, evidence quality, and the open gap the reader should care about. Use when someone asks "write my related-work section", "review the literature on X", "what does the research say about X", or "organize these papers into…
SkillMedev/academic-researcher
Skill Claude CodeCodex
Writes a concise, evidence-based policy brief - problem, options compared on consistent criteria, and a recommendation - that a decision-maker can act on in minutes. Use when someone asks "write a policy brief", "summarize the evidence and options for this decision", "brief the minister/board/council on X", or needs a…