Skill catalog

Interface for MCP (Model Context Protocol) servers via CLI. Use when you need to interact with external tools, APIs, or data sources through MCP servers, list available MCP servers/tools, or call MCP tools from command…

Generate a map of all files relevant to a task before making changes

Patterns and techniques for adding governance, safety, and trust controls to AI agent systems. Use this skill when: - Building AI agents that call external tools (APIs, databases, file systems) - Implementing policy-bas…

Format professional references properly and prepare reference materials

Build, modify, debug, migrate, review, or verify TypeScript MCP servers and MCP Apps with mcp-use. Use for tools, resources, prompts, middleware, Views, authentication, Skills over MCP, scaffolding, and advanced feature…

PDF converter powered by MinerU — convert PDF to Word, Markdown, HTML, LaTeX, or plain text. Also handles image-to-text OCR, scanned document recognition, and Office formats (DOCX, PPTX, Excel). Supports 80+ languages.…

Turn on Partial Prefetching in a Next.js app and work through the insights it surfaces. Use when the user wants to enable or adopt Partial Prefetching, flip the `partialPrefetching` flag, opt routes in with `export cons…

Get best practices for Entity Framework Core

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Design how a B2B SaaS app/connector marketplace makes money, operator side - merchant-of-record posture (marketplace-billed vs developer-billed), billing rails and account configuration, the fee stack (revenue share col…

Build custom functionality that merchants can install at defined points in the checkout flow, including product information, shipping, payment, order summary, and Shop Pay. Checkout UI Extensions also supports scaffoldi…

Audit and fix visual hierarchy, spacing, color, and depth in web UIs. Use when the user mentions "my UI looks off" (or amateur/unprofessional), "fix the design", "Tailwind styling", "color palette", "visual hierarchy",…

Performs comprehensive preflight validation of Bicep deployments to Azure, including template syntax validation, what-if analysis, and permission checks. Use this skill before any deployment to Azure to preview changes,…

Select which technology partners a B2B SaaS vendor integrates with and how deep each partnership goes - demand-data partner prioritization (deal-attached revenue, retention lift, competitive necessity), the referral-to-…

Write the listing-content rulebook for the operator of a B2B SaaS app marketplace - the standard every third-party listing must meet, covering required fields with objective reject criteria, screenshot and video specs,…

Build custom functionality that merchants can install at defined points on the Order index, Order status, and Profile pages in customer accounts. Customer Account UI Extensions also supports scaffolding new customer acc…

Design a provider-side outbound webhook platform - event taxonomy and catalog, payload envelope and schema versioning, an HMAC signing scheme (Standard Webhooks), at-least-once delivery with retry/backoff and dead-lette…

Design and build playable levels — the blockout/whitebox-to-playable workflow, player metrics and grid layout, pacing and flow (tension/rest curve), gating and the critical path, and encounter design. Engine-neutral pra…

Write a coding standards document for a project using the coding styles from the file(s) and/or folder(s) passed as arguments in the prompt.

Audit a published API reference at the endpoint level against its spec surface - every operation, parameter, response code, and error documented, request/response examples present, per-language code snippets in parity,…

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Design a B2B SaaS marketplace operator's launch and ongoing app co-marketing program - sizing and gating the founding launch cohort, the keynote-anchored reveal and partner embargoes, featured-placement and app-of-the-m…

Before starting any developer-platform, public-API, or integration work - or whenever no other platform skill has been chosen - route the task to the right skill in samber/developer-platform-skills, or say plainly that…

Plans a developer-platform career from the candidate side - API Product Manager, Platform Engineer/Architect, Partner/Integration Engineer. Disambiguates "platform engineer" first - the term overwhelmingly means interna…

Design the API-key authentication surface a platform issues to its own API consumers - key format with prefix+checksum conventions, hashed (irretrievable) vs encrypted (retrievable) storage, zero-downtime rotation with…

INVOKE THIS SKILL when building, testing, or deploying Managed Deep Agents in LangSmith. Walks a user through their first agent end to end — interviewing them about what they want to build, mapping it onto what MDA can…

Employer-side hiring for developer-platform roles - API Product Manager, Platform Engineer/Architect, Partner/Integration Engineer. Disambiguates "platform engineer" first, since the term overwhelmingly means internal d…

Design the partner-developer onboarding journey on a B2B SaaS platform - from partner signup through dev-account and sandbox provisioning, docs, education and certification posture, and support channels, to the first su…

List my issues in the current repository

Design an external developer portal as a product surface, not a documentation site - information architecture for business evaluators and integrating engineers, the signup-to-first-call onboarding path governed by time…

Run a pre-submission compliance check against your Shopify app's codebase. Reviews App Store requirements and surfaces likely issues before you submit for official review.

Decide whether and when a SaaS should build its own app/connector marketplace, versus joining others' marketplaces or buying embedded iPaaS, and design its operating model - curation level, partner mix, governance rules…

Provides cryptography attack techniques for CTF challenges. Use when attacking encryption, hashing, signatures, ZKP, PRNG, or mathematical crypto problems involving RSA, AES, ECC, lattices, LWE, CVP, number theory, Copp…

Design the OAuth2 authorization-server surface a B2B SaaS offers third-party apps - the OAuth 2.1 protocol baseline (PKCE for every client, no implicit or password grants, exact redirect matching), token TTL and refresh…

Rules and formatting guidelines for writing Dart /// API documentation and doc comments. Use when documenting Dart code, writing doc comments for any Dart declaration (libraries, classes, methods, variables, etc.), or w…

Design the operator-side review and approval process for third-party apps on a B2B SaaS marketplace - review-pipeline shape scaled to data sensitivity, permission and data-access audit checkpoints, automated pre-screeni…

Instrument a webapp to send useful telemetry data to Azure App Insights

Create Spring Boot Java Project Skeleton

Design the test/sandbox mode of a public API platform so external integrators build and validate without touching real money, messages, or data - isolation architecture (soft test-mode toggle vs hard separate-copy sandb…

Guard against destructive operations with three modes: Careful intercepts dangerous commands (rm -rf, git push --force, DROP TABLE) for confirmation, Freeze locks writes to one directory, and Guard combines both. Adviso…

Design idempotency-key support and client retry guidance for a public API so integrators retry safely - key derivation and per-caller scoping, storage TTL and replay windows, atomic claim mechanisms (DB unique constrain…

Design how an API platform communicates status and incidents to external consumers - status-page modeling (the four-stage incident lifecycle, degraded/partial/major component semantics, component granularity), monitorin…

Decide which integration surfaces a platform offers external developers and AI agents - REST, GraphQL, gRPC, SQL access, bulk data sharing, webhooks, SDKs, CLI, MCP, embedded components - and in what build order, sequen…

Provides open source intelligence techniques for CTF challenges. Use when gathering information from public sources, social media, geolocation, DNS records, username enumeration, reverse image search, Google dorking, Wa…

Generate a complete, production-ready application from an OpenAPI specification

Create GitHub Issues from implementation plan phases using feature_request.yml or chore_request.yml templates.

Comprehensive SEO analysis for any website or business type. Full site audits, single-page analysis, technical SEO (crawlability, indexability, Core Web Vitals with INP), schema markup, content quality (E-E-A-T), image…

Get started building on Shopify. Use when a developer asks to build an app, build a theme, create a dev store, set up a partner account, scaffold a project, or get started developing for Shopify — including building an…

Design a SaaS product's MCP server as a product surface AI agents operate - sizing the build investment, curating a 5-15 workflow-tool agent surface instead of mirroring API endpoints, MCP Apps interactive UI, named wri…

Design the rate-limit policy a public API publishes to its consumers - the metering model per paradigm (REST request counting vs GraphQL cost points), tier and quota-vs-burst numbers, multi-tenant fairness, rate-limit h…