Backend & APIs

Apply when implementing retry logic, rate limit handling, or resilience patterns in VTEX API integrations. Covers VTEX rate limit headers (X-RateLimit-Remaining, X-RateLimit-Reset, Retry-After), 429 status handling, exp…

Apply when implementing a VTEX Payment Provider Protocol (PPP) connector or working with payment/connector endpoint files. Covers all nine required endpoints: Manifest, Create Payment, Cancel, Capture/Settle, Refund, In…

Guide for using the Sentry CLI to interact with Sentry from the command line. Use when the user asks about viewing issues, events, projects, organizations, making API calls, or authenticating with Sentry via CLI.

Use when designing or reviewing Kotlin function ownership, member or extension functions, factories, single-field domain types, value classes, data classes, Kotlin Multiplatform expect/actual declarations, or platform s…

Apply when implementing order integration hooks, feeds, or webhook handlers for VTEX marketplace connectors. Covers Feed v3 (pull) vs Hook (push), filter types (FromWorkflow and FromOrders), order status lifecycle, payl…

Use when building, refactoring, or documenting Graft apps and proxies, including when asked to create a tool server, API server, dual-protocol server, or MCP-HTTP bridge. Graft's core thesis: define tools once and serve…

Apply when implementing fulfillment, invoice, or tracking logic for VTEX marketplace seller connectors. Covers the External Seller fulfillment protocol: fulfillment simulation (checkout and indexation), order placement…

Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers and stand the test of time.

Use this skill for Node.js backend AI via @cloudbase/node-sdk (>=3.16.0) — cloud functions, CloudRun, Express/Koa/NestJS, serverless APIs, scheduled jobs, LLM proxies, agent orchestration. The only SDK supporting image…

Interact with the Infisical REST API to manage secrets, projects, environments, machine identities, and more. Supports secret CRUD operations, machine identity authentication, pagination, and rate limiting on cloud depl…

Implement and verify Stripe checkout, subscriptions, webhooks and refunds with explicit server-side authorization and retry boundaries.

Build communication features with Twilio: SMS messaging, voice calls, WhatsApp Business API, and user verification (2FA). Covers the full spectrum from simple notifications to complex IVR systems and multi-channel authe…

OmniStudio Integration Procedure creation and validation with 110-point scoring. Use when building server-side process orchestrations that combine Data Mapper actions, Apex Remote Actions, HTTP callouts, and conditional…

CloudBase official HTTP API client guide. This skill should be used when backends, scripts, or non-SDK clients must call CloudBase platform APIs over raw HTTP instead of using a platform SDK or MCP management tool.

Implement changes in Laravel 11 or 12 using the installed framework, frontend, and command runner. Select by composer evidence; Laravel 12-to-13 upgrades use laravel-13-app-guidelines.

Deep integration guide for Polymarket's CLOB API, Gamma API, and on-chain data. Use when building trading functionality, fetching market data, or implementing order execution.

Expert patterns for Plaid API integration including Link token flows, transactions sync, identity verification, Auth for ACH, balance checks, webhook handling, and fintech compliance best practices.

CloudBase Node SDK auth guide for server-side identity, user lookup, and custom login tickets. This skill should be used when Node.js code must read caller identity, inspect end users, or bridge an existing user system…

Use when FastAPI async patterns for building high-performance APIs. Use when handling concurrent requests and async operations.