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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pramoddutta Skill Selenium Java TestingEnd-to-end web testing skill using Selenium WebDriver with Java, covering WebDriver setup, page objects, explicit waits, and TestNG/JUnit integration.
- pramoddutta Skill Supertest API Testing
Test Node.js HTTP APIs in-process with SuperTest — request(app) without binding a port, chained .expect assertions, auth headers, JSON body validation, and Jest integration with proper async/await patterns.
- pramoddutta Skill Xunit Net Testing
Comprehensive xUnit.net testing skill for writing reliable unit, integration, and acceptance tests in C# with [Fact], [Theory], fixtures, dependency injection, and parallel execution strategies.
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fdu-ins Skill Toobit Cex MarketThis skill should be used when the user asks for 'price of BTC', 'ETH ticker', 'show me the orderbook', 'market depth', 'BTC candles', 'OHLCV chart data', 'funding rate', 'open interest', 'mark price', 'index price', 'recent trades', 'book ticker', 'best bid ask', 'long short ratio', 'contract ticker', 'insurance fund', 'risk limits', 'exchange info', 'list instruments', 'what symbols are available', 'klines', 'server time', or any request to query public market data on Toobit CEX. All commands are read-only and do NOT require API credentials. Do NOT use for account balance/positions (use toobit-cex-portfolio), placing/cancelling orders (use toobit-cex-trade).
- fdu-ins Bundle Behandlingsresultat
Expert knowledge of Behandlingsresultat (treatment result) domain in melosys-api. Use when: (1) Understanding result types and their meaning (FASTSATT_LOVVALGSLAND, MEDLEM_I_FOLKETRYGDEN, etc.), (2) Working with periods - Lovvalgsperiode, Medlemskapsperiode, Anmodningsperiode, Utpekingsperiode, (3) Debugging vedtak/decision metadata, criteria evaluation, or social insurance charges, (4) Understanding EU/EEA coordination logic and Article 16 exception handling, (5) Working with trygdeavgift (social insurance charge) calculations.
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outlinedriven-odin-claude-plugin Bundle Post To SlackUse when the user explicitly asks to share a message on Slack through an incoming webhook. Not for posting without an explicit request or for retrying an ambiguous delivery.
- outlinedriven-odin-claude-plugin Bundle Make Bot UI
Use when a human invokes this skill to build a webhook UI that wakes a bot. Not for unpreviewed or unapproved credential, host, Tailscale, deployment, remote, paid, or irreversible changes.
- pramoddutta Skill Junit 5 Testing
Production-grade Java unit and integration testing with JUnit 5 covering assertions, parameterized tests, lifecycle hooks, Mockito mocking, nested tests, and extensions.
- pramoddutta Skill Mstest Testing
Microsoft's built-in .NET testing framework covering test classes, data-driven tests, assertions, lifecycle management, mocking with Moq, and integration testing for C# applications.
- pramoddutta Skill Vitest Testing
Write fast unit and integration tests with Vitest — vitest.config.ts setup, vi.fn and vi.mock module mocking, fake timers, snapshots, V8 coverage with thresholds, workspaces for monorepos, and in-source testing.
- fdu-ins Bundle M62 Altitude Search
Search and retrieve information from the Altitude wealth management platform. Query individuals, households, accounts, trusts, valuations, holdings, liabilities, insurance policies, tangible assets, and entity relationships via the Altitude REST API. Use this skill whenever the user asks about client data, account balances, portfolio holdings, net worth, insurance coverage, debts, or any wealth management information stored in Altitude.
- fdu-ins Skill Policyengine API V2
PolicyEngine API v2 - Next-generation microservices architecture with monorepo structure
- pramoddutta Skill Express JS Testing Patterns
Express.js API testing with supertest, middleware testing, route handler testing, error handling verification, and authentication testing.
- pramoddutta Skill Flutter Testing Patterns
Flutter app testing with widget tests, integration tests, golden tests, Mockito, bloc testing, and Flutter Driver for end-to-end scenarios.
- pramoddutta Skill GRAPHQL Testing
Comprehensive GraphQL API testing including query/mutation testing, schema validation, resolver testing, subscription testing, and N+1 query detection.
- pramoddutta Skill Payment Integration Testing
Payment gateway testing including Stripe, PayPal, and Square integration testing with sandbox environments, webhook verification, and error handling.
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tonone-ai Skill ProofQA and testing engineer — test strategy, E2E suites, API tests, flaky test triage, coverage. Use when asked to "write E2E tests", "design a test strategy", "triage flaky tests", or "check test coverage".
- tonone-ai Skill Spine
Backend engineer — APIs, system design, performance, distributed systems, and service scaffolding. Use when asked to "design this API", "review backend code", "scaffold a service", or "fix a performance issue".
- tonone-ai Skill Gate CI
Integrate API quality gates into CI — linting, breaking change detection, and coverage checks. Use when asked to "add API checks to CI", "detect breaking changes in CI", or "set up an API quality gate".
- pramoddutta Skill Webhook Testing
Testing webhook implementations including delivery verification, retry logic, signature validation, idempotency, and failure handling patterns.
- pramoddutta Skill Capybara Testing
Expert-level Capybara acceptance testing skill for Ruby and Rails applications. Covers RSpec integration, DSL methods, scoping, Page Objects with SitePrism, JavaScript interactions, and database cleaning strategies.
- pramoddutta Skill Msw Mock Service Worker
API mocking with Mock Service Worker for browser and Node.js environments including request interception, response simulation, and network error testing.
- pramoddutta Skill Selenide Testing
Expert-level Selenide UI testing skill for Java applications. Covers concise fluent API, automatic waits, smart selectors, collections, Page Objects, and integration with JUnit 5 and Gradle/Maven builds.
- pramoddutta Skill Wiremock API Simulation
API simulation and service virtualization with WireMock for HTTP stubbing, request matching, stateful behavior, and fault injection testing.
- pramoddutta Skill Behat Bdd Testing
PHP BDD testing with Behat framework using Gherkin feature files, Mink browser extension, context classes, and Symfony integration for behavior-driven acceptance testing.
- pramoddutta Skill Jira QA Workflows
Run QA work in Jira like a professional, bug lifecycle and triage, JQL queries for testers, quality dashboards, sprint QA rituals, and REST API automation for bulk bug operations and reporting.
- pramoddutta Skill Nock HTTP Request Mocking
HTTP request mocking with Nock for Node.js testing including request intercepting, response recording, and external API simulation.
- tonone-ai Skill Gate Lint
Design an API linting ruleset — style rules, severity levels, and custom organization conventions. Use when asked to "design an API lint ruleset", "enforce API style", or "write Spectral rules".
- tonone-ai Skill Proof API
Build API test suites — endpoint testing, contract testing, load testing for REST/GraphQL/gRPC APIs. Use when asked to "test this API", "API tests", "endpoint testing", "contract tests", or "load test".
- tonone-ai Skill Spine API
Design and spec an API — endpoints, request/response shapes, error codes, auth pattern, pagination. Applies Stripe's consistency principles. Use when asked to "design an API", "build API endpoints", "create REST API", or "API for this feature".
- outlinedriven-odin-claude-plugin Bundle Contract Driven
Use when crossing a public API boundary, guarding complex invariants, or hardening untrusted input or integration seams. Not for remote or irreversible changes.
- pramoddutta Skill Behave Bdd Testing
Python BDD testing with Behave framework using Gherkin feature files, step definitions, environment hooks, and Selenium integration for behavior-driven acceptance testing.
- pramoddutta Skill Codeception Testing
Expert-level Codeception testing skill for PHP applications. Covers acceptance, functional, and unit testing with the Actor pattern, BDD-style syntax, Page Objects, API testing, and database helpers.
- pramoddutta Skill Drizzle Orm Testing
Testing patterns for Drizzle ORM covering migration testing, query builder testing, transaction testing, and database integration testing with PostgreSQL, SQLite, and MySQL.
- pramoddutta Skill Lettuce Bdd Testing
Expert-level Lettuce BDD testing skill for Python applications. Covers Gherkin feature files, step definitions, terrain hooks, Selenium integration, data-driven scenarios, and migration guidance to Behave for modern projects.
- pramoddutta Skill API Schema Evolution Testing
Testing API schema evolution patterns including additive changes, field deprecation, type widening, and backward-compatible migration strategies.
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 Capybara Testing, Selenium Java Testing, SuperTest API Testing. 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.