API Development Agent Skills

PHP Clean Architecture & DDD

Implements enterprise-grade Clean Architecture and Domain-Driven Design patterns in PHP 8.3+ and Symfony 7.x.

ArcKit DataScout

Discovers and evaluates external APIs, datasets, and open data portals to fulfill project requirements with weighted scoring.

Codex Feature Implementer

Automates the end-to-end implementation of software features from specifications using Codex MCP and structured quality gates.

Codex Architect

Provides expert-level architectural consulting and system design validation through a dual-perspective 'Third Brain' approach.

DeFi Portfolio Integration

Architects and manages on-chain portfolio systems for tracking positions, lending, and liquidity across multiple protocols.

QUIC Connection Migration

Simulates and manages QUIC network connection migration to ensure seamless endpoint switching without session interruption.

Create Headless Agent

Scaffolds production-ready, headless TypeScript agents using Bun and OpenRouter for CLI tools, API servers, and background workers.

Production CRUD Generator

Generates complete, production-ready CRUD operations with integrated validation, authorization, and comprehensive test suites.

Full-Stack CRUD Generator

Automates the creation of production-ready CRUD functionality including Zod validation, authorization, and comprehensive tests.

Open Responses Protocol Expert

Implements and debugs LLM interactions using the Open Responses open-source specification for multi-provider interoperability.

Brave Search Autocomplete

Provides ultra-fast, typo-tolerant search suggestions and rich entity metadata via the Brave Search API.

SDK Design Specialist

Develops production-ready client libraries with robust retry logic, error handling, and consistent cross-language patterns.

Designing APIs

Architects secure, scalable, and maintainable APIs using REST, GraphQL, and event-driven patterns for robust backend services.

Message Queue Integration & Patterns

Implements asynchronous communication patterns using message brokers and task queues for scalable, event-driven systems.

Real-Time Sync & Collaboration

Implements real-time communication patterns for live updates, collaborative editing, and streaming data across modern web applications.

API Design & Implementation

Implements and optimizes backend API architectures across REST, GraphQL, gRPC, and tRPC protocols.

Designing Distributed Systems

Architects scalable, reliable, and fault-tolerant distributed systems using proven patterns and consistency models.

Search & Filter Implementation

Implements high-performance, accessible search and filtering systems across React frontends and Python backends.

YApi Interface & Documentation Sync

Queries and synchronizes YApi interface documentation directly within your development environment.

Spring Boot Kotlin Project Creator

Bootstraps a production-ready Spring Boot Kotlin project with reactive data stores and Docker configuration.

Pay via Agent Wallet

Executes automated per-call USDC micropayments for paid web APIs and data services via the Circle x402 marketplace.

Recover Eco Funds

Recovers stuck or expired USDC deposits from legacy Circle Gateway Eco intents using deterministic onchain self-refunds and ERC-3009 sweeps.

Circle Unified Balance

Manages cross-chain USDC balances, deposits, and transfers across EVM and Solana networks using Circle App Kit and Unified Balance Kit.

Alpaca Money & Numeric Precision

Enforces strict decimal precision, string serialization, and safe rounding rules for financial calculations across Alpaca API integrations.

Circle Modular Wallets

Builds ERC-4337 smart contract accounts with WebAuthn passkey authentication, gasless transactions, and modular architectures using Circle's SDK.

Circle Developer-Controlled Wallets

Creates and manages custodial crypto wallets, executes smart contracts, and handles multi-chain token transfers via Circle's SDK.

Circle Programmable Wallets

Evaluates, selects, and configures the optimal Circle programmable wallet architecture for onchain applications.

Circle Smart Contract Platform

Deploys, imports, executes, and monitors smart contracts across EVM blockchains using Circle's Smart Contract Platform APIs.

Accept Agent Payments

Monetize APIs, endpoints, and agent tools with pay-per-call Circle USDC nanopayments and x402 protocol integration.

SaaS Integrations Architect

Streamlines the connection of SaaS applications to third-party services like Stripe, Slack, and OAuth providers using a maintainable, founder-first framework.