{
  "error": {
    "status": 404,
    "code": "RESOURCE_NOT_FOUND",
    "message": "The requested API resource does not exist on designpattern.fyi.",
    "timestamp": "See response Date header",
    "docs": "https://www.designpattern.fyi/developers/",
    "openapi_spec": "https://www.designpattern.fyi/api/v1/openapi.json"
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        "path": "/api/v1/patterns.json",
        "description": "Complete catalog of 723+ software design patterns (JSON)"
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      {
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        "description": "All category taxonomies and subcategory metadata (JSON)"
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      {
        "path": "/api/v1/skills.json",
        "description": "AI agent skill specifications (JSON)"
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      {
        "path": "/api/v1/mcp-schema.json",
        "description": "Model Context Protocol tool schema (JSON)"
      },
      {
        "path": "/api/v1/error.json",
        "description": "Canonical error response schema (JSON)"
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      {
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        "description": "Full OpenAPI 3.1.0 specification (JSON)"
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      "llms_txt": "https://www.designpattern.fyi/llms.txt",
      "agent_instructions": "https://www.designpattern.fyi/agent-instructions.txt"
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}