Integrations & APIs
Integration agent skills teach AI agents to work with specific external services and APIs: third-party platforms, webhooks, MCP servers, and data syncs. Instead of re-explaining an API every session, install the skill and the agent knows the endpoints and conventions.
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tyler-r-kendrick Bundle OliveGuidance for Olive productivity framework for .NET. USE FOR: common string extensions (null-safe operations, validation), collection utilities, date/time helpers, file name sanitization, fluent API helpers, reducing boilerplate in business applications. DO NOT USE FOR: full web frameworks (use ASP.NET Core), ORM functionality (use EF Core), UI frameworks, large-scale enterprise architecture.
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tyler-r-kendrick Bundle RestsharpUSE FOR: Making HTTP API calls using RestSharp's fluent request builder with automatic serialization, authenticators, and response handling. Use when consuming REST APIs that need configurable serialization, file uploads, and built-in authentication support without defining interfaces. DO NOT USE FOR: Type-safe compile-time API clients (use Refit), GraphQL queries (use StrawberryShake), or new projects where HttpClientFactory with source-generated serialization is preferred (use HttpClient with System.Text.Json).
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tryboy869 Bundle Testing PytestApply when writing tests with pytest, designing test suites, or fixing flaky tests. Covers: fixtures, async tests, mocking, parametrize, coverage strategy, integration vs unit. Trigger for: test, pytest, unittest, mock, coverage, TDD.
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agents-inc Bundle API Observability Setup Axiom Pino SentryPino, Axiom, Sentry installation - one-time project setup for logging and error tracking with source maps upload
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itsimonfredlingjack-codex-dev-plugin Skill Scala ProMaster enterprise-grade Scala development with functional programming, distributed systems, and big data processing. Expert in Apache Pekko, Akka, Spark, ZIO/Cats Effect, and reactive architectures. Use PROACTIVELY for Scala system design, performance optimization, or enterprise integration.
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tyler-r-kendrick Bundle Message TransformationUse when designing how messages are reshaped, enriched, filtered, or normalised as they flow between systems based on Enterprise Integration Patterns (Hohpe & Woolf). USE FOR: message transformation, envelope wrapping, content enrichment, content filtering, claim check, normalisation, canonical data models DO NOT USE FOR: routing messages (use message-routing), message format (use message-construction)
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lvtd-llc Bundle Htmx JS APIUse the htmx JavaScript API for imperative integration in server-rendered apps. Use when calling htmx.ajax, htmx.process, htmx.trigger, htmx.on, htmx.off, htmx.onLoad, htmx.find, htmx.findAll, htmx.closest, htmx.addClass, htmx.removeClass, htmx.toggleClass, htmx.takeClass, configuring htmx.config, logging htmx events, or integrating non-htmx JavaScript with swapped content.
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tryboy869 Bundle REST API DesignApply when designing or implementing REST APIs. Covers: URL conventions, HTTP methods, status codes, versioning, pagination, error responses, OpenAPI spec. Trigger for: REST, API design, endpoints, HTTP, routes, OpenAPI, Swagger.
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itsimonfredlingjack-codex-dev-plugin Skill Fastapi ProBuild high-performance async APIs with FastAPI, SQLAlchemy 2.0, and Pydantic V2. Master microservices, WebSockets, and modern Python async patterns. Use PROACTIVELY for FastAPI development, async optimization, or API architecture.
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itsimonfredlingjack-codex-dev-plugin Skill IOS DeveloperDevelop native iOS applications with Swift/SwiftUI. Masters iOS 18, SwiftUI, UIKit integration, Core Data, networking, and App Store optimization. Use PROACTIVELY for iOS-specific features, App Store optimization, or native iOS development.
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tryboy869 Bundle Persona CursorrulesApply for persona. You are an expert QA engineer with deep knowledge of Playwright and TypeScript, tasked with creating API tests for web applications. Before creating tests, check if the project uses TypeScript by look
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lvtd-llc Bundle Django Outside In TddDrive Django features with outside-in and double-loop TDD: user story, Selenium or functional test, focused Django unit/integration tests, minimal implementation, and refactor. Use when starting or changing Django behavior with tests-first workflow, red/green/refactor, working-state-to-working-state refactors, or deciding which layer should own the next test.
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itsimonfredlingjack-codex-dev-plugin Bundle Dotnet ArchitectExpert .NET backend architect specializing in C#, ASP.NET Core, Entity Framework, Dapper, and enterprise application patterns. Masters async/await, dependency injection, caching strategies, and performance optimization. Use PROACTIVELY for .NET API development, code review, or architecture decisions.
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tryboy869 Bundle Django REST Framework[Applies to: **/*.py] Enforces modern, secure, and performant `django-rest-framework` best practices for API development, focusing on maintainability and scalability.
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lvtd-llc Bundle Browser Javascript TddTest-drive browser JavaScript behavior with DOM fixtures, test runners, smoke tests, onload timing, selector refactors, and integration tradeoffs with Selenium or end-to-end tests. Use when adding client-side behavior, debugging DOM tests, choosing between JS unit tests and browser functional tests, or making JavaScript testable without overusing Selenium.
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itsimonfredlingjack-codex-dev-plugin Bundle Payment IntegrationIntegrate Stripe, PayPal, and payment processors. Handles checkout flows, subscriptions, webhooks, and PCI compliance. Use PROACTIVELY when implementing payments, billing, or subscription features.
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tryboy869 Bundle Py Fast API CursorrulesApply for py-fast-api. --- description: Specific guidelines for FastAPI application structure and setup in the main application file. globs: **/main.py
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fdu-ins Bundle FtrlExpert knowledge of Folketrygdloven (National Insurance Act) processing in melosys-api. Use when: (1) Understanding FTRL bestemmelser (§2-5 to §2-13), (2) Debugging yrkesaktiv/ikke-yrkesaktiv/pensjonist processing flows, (3) Understanding trygdedekning options and combinations, (4) Investigating vilkår for each bestemmelse, (5) Understanding medlemskapsperiode generation logic, (6) Debugging frivillig vs pliktig membership determination.
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lvtd-llc Bundle Go HTTP Server ApplicationsDesign, build, test, and review production Go HTTP servers covering inbound adapters, modern ServeMux routing, middleware, strict bounded request decoding, response commitment, transparent ResponseWriter wrapping, server timeouts, health semantics, graceful shutdown, shared-state safety, and httptest verification. Use when implementing an HTTP service, API handler, middleware stack, server lifecycle, health endpoint, or inbound JSON boundary in Go.
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fdu-ins Bundle Flare FdcProvides domain knowledge and guidance for the Flare Data Connector (FDC)—attestation types, request flow, Merkle proofs, verifier/DA Layer, and smart contract integration. Use when working with FDC, cross-chain attestations, EVMTransaction, Web2Json, Payment, AddressValidity, proof-of-reserves, weather insurance, or Flare Developer Hub FDC guides and starter repos.
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tryboy869 Bundle Cursorrules File Cursor AI Python Fastapi APIApply for cursorrules-file-cursor-ai-python-fastapi-api. You are an expert in Python, FastAPI, and scalable API development. Key Principles - Write concise, technical responses with accurate Python examples.
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fdu-ins Skill Metlife PetsThis skill should be used when the user asks to query MetLife Pet Insurance, check pet insurance claims, list claims, get claim details, download EOBs, download policy documents, or interact with the mypets.metlife.com API.
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pleaseai Skill SlackEmulated Slack API for local development and testing. Use when the user needs to interact with Slack API endpoints locally, test Slack integrations, emulate channels/messages/users/views, set up Slack OAuth flows, test incoming webhooks, or work with the Slack Web API without hitting the real Slack API. Triggers include "Slack API", "emulate Slack", "mock Slack", "test Slack OAuth", "Slack bot", "Slack views", "incoming webhook", "local Slack", or any task requiring a local Slack API.
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pleaseai Skill Portone GuideThis skill should be used when the user asks about "포트원 연동", "PortOne integration", "결제 연동", "PG 연동", "billing key", "빌링키", "정기결제", "웹훅", "payment API", or needs guidance on implementing payment functionality with PortOne. Provides comprehensive guidance for V1 and V2 API integration.
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pleaseai Skill GithubEmulated GitHub REST API for local development and testing. Use when the user needs to interact with GitHub API endpoints locally, test GitHub integrations, emulate repos/issues/PRs, set up GitHub OAuth flows, configure GitHub Apps, test webhooks, or work with actions/checks without hitting the real GitHub API. Triggers include "GitHub API", "emulate GitHub", "mock GitHub", "test GitHub OAuth", "GitHub App JWT", "local GitHub", or any task requiring a local GitHub API.
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pleaseai Skill ResendEmulated Resend email API for local development and testing. Use when the user needs to send emails locally, test transactional email flows, implement magic link or verification code auth, inspect sent emails, manage domains/contacts/API keys, or work with the Resend API without sending real emails. Triggers include "Resend API", "emulate Resend", "send email locally", "test email", "magic link", "verification email", "email inbox", "RESEND_BASE_URL", or any task requiring a local email API.
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pleaseai Skill StripeEmulated Stripe API for local development and testing. Use when the user needs to process payments locally, test checkout flows, create customers, manage products and prices, handle payment intents, work with webhooks, or use the Stripe SDK without hitting real Stripe servers. Triggers include "Stripe API", "emulate Stripe", "test payments locally", "checkout flow", "payment intent", "Stripe webhook", "Stripe SDK", "STRIPE_API_KEY", or any task requiring a local Stripe API.
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pleaseai Skill VercelEmulated Vercel REST API for local development and testing. Use when the user needs to interact with Vercel API endpoints locally, test Vercel integrations, emulate projects/deployments/domains, set up Vercel OAuth flows, manage environment variables, create API keys, configure protection bypass, emulate Vercel Blob storage, or test without hitting the real Vercel API. Triggers include "Vercel API", "emulate Vercel", "mock Vercel", "test Vercel OAuth", "Vercel integration", "Vercel Blob", "local Vercel", or any task requiring a local Vercel API.
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fdu-ins Bundle TrygdeavgiftExpert knowledge of trygdeavgift (social insurance charge) domain in melosys-api. Use when: (1) Understanding avgift calculation for different member types, (2) Debugging årsavregning (annual reconciliation) processing, (3) Understanding fakturering flow to OEBS/faktureringskomponenten, (4) Investigating avgiftssatser and calculation rules per year, (5) Understanding skatteforhold and inntektskilder, (6) Debugging trygdeavgiftsperiode generation and storage, (7) Understanding the 25% rule and minstebeløp calculations.
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fdu-ins Bundle Policyengine UkALWAYS LOAD THIS SKILL FIRST before writing any PolicyEngine-UK code. Contains the correct API patterns for household calculations and population simulations using the new policyengine package (not policyengine_uk directly). Triggers: "what would", "how much would a", "benefit be", "eligible for", "qualify for", "single parent", "married couple", "family of", "household of", "if they earn", "with income of", "earning £", "making £", "calculate benefits", "calculate taxes", "benefit for a", "tax for a", "what would I get", "what would they get", "what is the rate", "what is the threshold", "personal allowance", "maximum benefit", "income limit", "benefit amount", "how much is", "Universal Credit", "child benefit", "pension credit", "housing benefit", "council tax", "income tax", "national insurance", "JSA", "ESA", "PIP", "disability living allowance", "working tax credit", "child tax credit", "Scotland", "Wales", "UK", "microsimulation", "population", "reform", "policy impact", "budgetary", "decile".
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pramoddutta Skill Geb TestingBrowser automation testing with Geb framework for Groovy/JVM using jQuery-like content DSL, Page Object pattern, Spock integration, and WebDriver abstraction.
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fdu-ins Skill Coterie InsuranceCoterie Insurance integration. Manage data, records, and automate workflows. Use when the user wants to interact with Coterie Insurance data.
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pramoddutta Skill Msw API MockingMock Service Worker v2 patterns - http and graphql request handlers, setupServer for Node test runs, setupWorker for the browser, per-test handler overrides, and strict unhandled-request policies.
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pramoddutta Skill Rust Testing PatternsRust testing with built-in test framework, integration tests, doc tests, property-based testing with proptest, and cargo test configuration.
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pramoddutta Skill Trpc TestingEnd-to-end type-safe API testing with tRPC covering router testing, middleware testing, subscription testing, and client-server integration testing patterns
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pramoddutta Skill Rspec TestingComprehensive Ruby testing with RSpec including describe/context/it blocks, matchers, let/before hooks, mocking with doubles, shared examples, and Rails integration.
Frequently asked questions
What are Integrations & APIs agent skills?
Integration agent skills teach AI agents to work with specific external services and APIs: third-party platforms, webhooks, MCP servers, and data syncs. Instead of re-explaining an API every session, install the skill and the agent knows the endpoints and conventions.
Which Integrations & APIs skills are most installed?
Popular Integrations & APIs skills on SkillMD right now include MSW API Mocking, api-observability-setup-axiom-pino-sentry, olive. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Integrations & APIs skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.