Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
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jacob-balslev

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163 Claude Code skills authored by jacob-balslev.

updated 2026-07-06 · showing 1–60 of 163 by quality score

Average Pro QualityScore: 80.3/100

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Creates a new GitHub Copilot skill folder with a valid SKILL.md, a human-readable README.md, and an index entry in the repository root README.
Synthesize user research into themes, insights, and recommendations. Use when you have interview transcripts, survey results, usability test notes, support tickets, or NP — from…
Use when deciding whether to route a task to OpenAI's GPT-5.5 frontier model versus Claude Opus or Sonnet — picking the model lane for infrastructure scripts, CI pipelines,…
Use when deciding WHICH free or cheap agent model to route a piece of work to (e.g. MiniMax M3 Free, NVIDIA Nemotron, GLM, GPT-5 Nano, or another OpenCode Zen free-tier model),…
Negative fixture for the gate-conformance suite: the audit-state sidecar declares `comprehension_state: present` but the SKILL.md omits the five flat Understanding fields.
Use when implementing or reviewing an inbound webhook handler for any third-party provider - verifying signatures, deduplicating retries, choosing the right HTTP status code for…
Use when designing or maintaining the shape of a repository's git history — choosing a branching model, deciding rebase vs merge, sizing commits, linking commits to tracker…
Use when reasoning about how a database schema changes over time without breaking deployed application code: the expand/contract pattern (Ambler & Sadalage), the zero-downtime…
Sweller's Cognitive Load Theory (CLT) for agents writing skill content, designing prompts, building UI/dashboards, and authoring documentation.
Use when reasoning about types as a quality property of code: what guarantees the type system actually provides, the difference between sound and unsound systems, structural vs…
Analyze changesets with risk scoring, categorization by type/impact, and release note preparation
Use BEFORE any tool call that could modify state, touch sensitive targets, rewrite history, install dependencies, publish packages, or expose credentials/environment data.
Use when an agent is making too many tool calls, when context is filling from verbose tool outputs, when the same operation could be a script instead of N individual calls, or…
Use when designing or reviewing Next.js Route Handlers (`route.ts`): when a Route Handler is right vs Server Actions or Server Components, the HTTP-method-as-export contract…
Warning fixture for the gate-conformance suite: the sidecar is schema-valid but omits the four durable Audit Status verdict fields.
Documentation generation workflow covering API docs, architecture docs, README files, code comments, and technical writing. — from jacob-balslev/skill-graph
Use when reasoning about the I in ACID — the isolation level a database provides between concurrent transactions: the five SQL-standard levels (read uncommitted, read committed,…
Use when storing decision traces, querying past precedents, or implementing learning loops. Load in COMPLETE state or when needing to learn from history.
Use when reasoning about the foundational theory beneath data modeling: Codd's relational model (1970) and the algebra it sits on, the normal forms (1NF, 2NF, 3NF, BCNF, 4NF, 5NF)…
Enforces five non-negotiable quality pillars that counter the shortcuts an agent takes under training pressure: complete reporting (show ALL items, never filter unilaterally),…
Use when reasoning about the line at which execution context changes between a server runtime and a client runtime: what values can cross via serialization, what cannot, the…
Use when adding or enforcing lint rules as part of a test or verification plan. Extends testing-strategy with lint-specific guidance: rule selection, gate placement, failure…
Generate a complete Messaging & Positioning system as a stunning visual HTML document — message framework, positioning anchors, strategy table, persona-based messaging, awareness…
Optimizes agent context setup. Use when starting a new session, when agent output quality degrades, when switching between tasks, or when you need to configure rules file — from…
Diagnoses Qdrant production issues using metrics and observability tools. Use when someone reports 'optimizer stuck', 'indexing too slow', 'memory too high', 'OOM crash', 'queries…
Use when choosing names for files/functions/variables/types/columns, writing or reviewing UI copy/error/onboarding text, disambiguating overloaded terms, or matching tone to…
Objectives and Key Results goal-setting methodology for turning strategy, quarterly priorities, product goals, or team focus areas into outcome-oriented Objectives, measurable Key…
Use when running migration 0004 that normalizes the orders table from a Stripe-specific shape (stripe_session_id, stripe_customer_id as top-level columns) to a canonical…
Diagnoses Qdrant search quality issues. Use when someone reports 'results are bad', 'wrong results', 'not relevant results', 'missing matches', 'recall is low', 'approximate…
Plan, conduct, and synthesize user research. Trigger with "user research plan", "interview guide", "usability test", "survey design", "research questions", or when the us — from…
Use when locating a bug in an unfamiliar codebase, tracing a failure from symptom to source, or choosing between candidate fixes after the symptom is observed but before a patch…
Use when the user is unsure which skill to use or where to start. Interviews the user with targeted questions and recommends the best skill(s) from the installed library for their…
Use when building, reviewing, or applying a Balanced Scorecard for strategy execution and performance management: destination statement, strategy map, perspectives, strategic…
Implementing and optimizing database connection pools for high-performance applications.
Use when designing a theme system — design tokens, semantic token layering, CSS custom property strategy, runtime theme switching, and theme contract guarantees.
Use when designing or reviewing Server Actions: the 'use server' directive contract, how a server-side function becomes invokable from the browser without an API route, form…
Use when writing or reviewing functional UI text: button labels, empty states, tooltips, dialogs, placeholders, loading/progress messages, toasts, inline validation, permission…
Use when deciding whether to route a task to Anthropic's frontier reasoning tier (Claude Opus) — architecture, multi-file synthesis, hard debugging, security reasoning,…
Research high-intent TikTok and Instagram search keywords using ScaleBrick's framework. Returns categorized keywords with intent type, search volume estimate, difficulty score,…
Use when facing a new problem and unsure which problem-solving methodology or foundational skill to apply first.
Use when auditing a route, defining a route contract, reviewing onboarding or setup flows, diagnosing why a page feels confusing, or when the user asks about top tasks,…
Use when designing or reviewing asynchronous event contracts: producer/consumer ownership, event envelope, schema, topic/channel naming, ordering, idempotency, versioning,…
Use when checking that every SKILL.md conforms to the schema, that manifest entries match authored frontmatter, or that relation targets point at real sibling skills.
Use when scanning an external macro environment with PESTEL/PESTLE (and its variant family STEEPLE, STEEPLED, PESTLIED, STEEP, DESTEP, LoNGPESTLE): political, economic, social,…
Use when balancing an innovation, growth, transformation, or venture portfolio across McKinsey's Three Horizons: Horizon 1 current core businesses, Horizon 2 emerging growth…
Use when defining or reviewing contracts between systems, modules, services, agents, jobs, events, APIs, or teams: ownership, inputs, outputs, invariants, compatibility, errors,…
Use when designing a controlled classification system: category trees, facets, browse taxonomies, SKOS broader/narrower relationships, tagging rules, and duplicate-category…
Use when designing or reviewing test doubles — the stand-in objects that replace real collaborators in a test: the five-kind taxonomy (dummy, stub, spy, fake, mock) from…
AI-simulated event storming workshop with multi-persona support. Use when discovering domain events, commands, actors, and bounded contexts.
Use when extracting durable project knowledge from code, docs, issues, incidents, reports, screenshots, or conversations into reusable context such as skills, ADRs, glossaries,…
Enforces disciplined, complete, step-by-step execution that prevents the LLM failure modes of scope reduction, finding filtering, step skipping, assumed verification, and…
Use when you need to explain how parts of a system, feature, concept, page, workflow, or problem connect; identify the single most important part of something; untangle dense…
SEO implementation strategy for building pages that rank -- covering content strategy, programmatic SEO at scale, marketplace-specific SEO, and AI search optimization.
Discovery group skill. Restates the client's problem, target user, current workaround, success signal, and renders a falsifiable hypothesis.
Use when formalizing domain meaning with classes, properties, constraints, RDF/OWL-style semantics, SHACL-like validation shapes, or reasoning-ready axioms.
Use when naming artifacts across code, APIs, design tokens, commits, HTTP/status signals, UI labels, error codes, or branded types, especially when a name feels ambiguous or…
Guides agents implementing or auditing PostgreSQL Row Level Security in a multi-tenant SaaS codebase.
Negative fixture for the gate-conformance suite: valid v8 frontmatter except `subject` is set to a value outside the closed twelve-shelf enum.
Negative fixture for the gate-conformance suite: valid v8 frontmatter with a complete grounding block, except one declared truth source path points at a file that does not exist.
Use when modeling lifecycle states, transitions, guards, events, side effects, invalid states, retries, and state invariants for workflows or domain objects.
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