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middleware-chain-designer

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Design middleware and interceptor chains for SDK extensibility

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Middleware Chain Designer Skill

Overview

This skill designs middleware and interceptor chain architectures that enable SDK extensibility through pluggable request/response processing.

Capabilities

  • Design middleware interfaces and contracts
  • Implement interceptor chains with ordering
  • Support before/after hooks for requests
  • Enable custom transport implementations
  • Implement retry and circuit breaker middleware
  • Design logging and tracing interceptors
  • Support middleware composition
  • Configure middleware priority ordering

Target Processes

  • Plugin and Extension Architecture
  • Custom Transport and Middleware
  • SDK Architecture Design

Integration Points

  • SDK core HTTP clients
  • Authentication handlers
  • Logging frameworks
  • Retry libraries
  • Custom transports

Input Requirements

  • Extensibility requirements
  • Middleware ordering needs
  • Hook types required
  • Composition patterns
  • Transport abstraction needs

Output Artifacts

  • Middleware interface definitions
  • Interceptor chain implementation
  • Built-in middleware (logging, retry)
  • Transport abstraction layer
  • Middleware composition utilities
  • Documentation and examples

Usage Example

skill:
  name: middleware-chain-designer
  context:
    middlewareTypes:
      - request
      - response
      - error
    hooks:
      beforeRequest: true
      afterResponse: true
      onError: true
    builtInMiddleware:
      - logging
      - retry
      - timeout
      - compression
    ordering:
      priority: true
      named: true
    transports:
      - http
      - websocket
      - custom

Best Practices

  1. Define clear middleware interfaces
  2. Support ordered execution
  3. Enable middleware composition
  4. Provide built-in common middleware
  5. Allow transport customization
  6. Document middleware authoring