{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"github-goadesign--goa","slug":"goadesign--goa","name":"goa","type":"framework","url":"https://goa.design","page_url":"https://unfragile.ai/goadesign--goa","categories":["app-builders","deployment-infra"],"tags":["api","code-generation","go","goa","golang","microservices","openapi","rest","swagger"],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"github-goadesign--goa__cap_0","uri":"capability://code.generation.editing.design.first.api.dsl.compilation.and.expression.evaluation","name":"design-first api dsl compilation and expression evaluation","description":"Goa implements a Go-based Domain Specific Language (DSL) that developers use to declaratively define API structures using Service(), Method(), Payload(), Result(), and transport-specific functions. The DSL is compiled and executed by the generator, which evaluates all constructs into an internal expression system (RootExpr, ServiceExpr, MethodExpr, AttributeExpr, ValidationExpr, HTTPEndpointExpr, GRPCEndpointExpr) that represents the complete API design. This expression tree becomes the single source of truth for all downstream code generation, documentation, and client generation.","intents":["Define API structure once in a type-safe, declarative manner without writing boilerplate transport code","Ensure API design, implementation, documentation, and clients stay synchronized automatically","Validate API design constraints (required fields, enums, patterns, min/max values) at design time before code generation","Support multiple transport protocols (HTTP, gRPC, JSON-RPC) from a single design definition"],"best_for":["Go teams building microservices who want design-first workflows with zero drift between spec and code","API-first organizations that need OpenAPI specs, client libraries, and servers generated from a single source","Teams migrating from REST-only to multi-protocol services (HTTP + gRPC) without duplicating design logic"],"limitations":["DSL is Go-specific; non-Go developers must learn the syntax and cannot use familiar OpenAPI/Protobuf editors","Design changes require full regeneration of all transport code, which can be disruptive in large codebases with manual modifications","Expression system is internal; no stable API for third-party tools to consume or extend the design model"],"requires":["Go 1.24.0 or later","goa.design/goa/v3 module imported in project","Design file (typically design/design.go) defining services using Goa DSL"],"input_types":["Go source code (DSL definitions in design package)"],"output_types":["Internal expression tree (RootExpr, ServiceExpr, MethodExpr, etc.)","Validated API design model ready for code generation"],"categories":["code-generation-editing","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_1","uri":"capability://code.generation.editing.multi.protocol.code.generation.http.grpc.json.rpc.from.unified.design","name":"multi-protocol code generation (http, grpc, json-rpc) from unified design","description":"The code generation engine orchestrates protocol-specific generators that consume the expression tree and produce transport-layer implementations. HTTP transport generation creates route handlers, request/response marshaling, and middleware hooks; gRPC generation produces service definitions and interceptor support; JSON-RPC generation creates JSON-RPC 2.0 compliant endpoints. Each protocol generator is independent but shares type definitions and validation rules from the unified expression model, ensuring consistency across transports without code duplication.","intents":["Generate HTTP REST endpoints with automatic request/response marshaling and routing from a single design","Generate gRPC service stubs and server implementations with interceptor support without writing .proto files","Generate JSON-RPC 2.0 compliant endpoints for legacy or specialized clients","Support polyglot services that expose the same business logic over multiple protocols simultaneously"],"best_for":["Microservices teams that need to support multiple client types (REST, gRPC, JSON-RPC) without maintaining separate code paths","Organizations standardizing on Goa for internal APIs that must support both synchronous (HTTP/gRPC) and legacy (JSON-RPC) clients","Backend teams that want to avoid hand-writing transport boilerplate for each protocol"],"limitations":["Protocol-specific features (e.g., gRPC streaming, HTTP WebSockets) require explicit DSL configuration; not all protocol capabilities are automatically inferred","Generated code assumes standard request/response patterns; highly custom protocol behavior may require manual code modifications after generation","Regeneration overwrites transport code, so any hand-written customizations must be in separate files or protected regions"],"requires":["Go 1.24.0 or later","goa CLI tool (cmd/goa)","Design definition with HTTP(), GRPC(), or JSON-RPC configuration in service methods","For gRPC: protoc compiler and Go protobuf plugins (goa generates .proto files)","For HTTP: standard Go net/http library"],"input_types":["Expression tree (RootExpr with ServiceExpr, MethodExpr, HTTPEndpointExpr, GRPCEndpointExpr)"],"output_types":["Go source files (server.go, client.go, endpoints.go for each protocol)",".proto files (for gRPC)","Type marshaling/unmarshaling code","Middleware and interceptor hooks"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_10","uri":"capability://automation.workflow.design.evolution.and.regeneration.with.backward.compatibility","name":"design evolution and regeneration with backward compatibility","description":"Goa supports design evolution by allowing developers to modify the DSL and regenerate code. The generator produces code in separate files (service.go, endpoints.go, http.go, grpc.go) such that business logic files (service implementation) are not overwritten during regeneration. Developers can add new methods, modify types, or change transport configurations, and the generator updates only the affected generated files. The design model tracks version information and can detect breaking changes, though the framework does not enforce backward compatibility automatically.","intents":["Evolve API design over time by modifying the DSL and regenerating code","Add new methods or endpoints without losing existing business logic implementation","Refactor types and validation rules while keeping service implementation intact","Detect breaking changes in the design that may affect clients"],"best_for":["Long-lived APIs that need to evolve over time while maintaining stability","Teams that want to avoid manual code synchronization when design changes","Microservices that need to add new endpoints without disrupting existing ones"],"limitations":["Regeneration overwrites all generated files; custom modifications to generated code are lost","Breaking changes (removing methods, changing parameter types) are not prevented by the generator; developers must manage backward compatibility manually","Design versioning is not built-in; teams must implement their own versioning strategy (e.g., v1, v2 service versions)"],"requires":["Go 1.24.0 or later","goa CLI generator","Design file that can be modified and regenerated"],"input_types":["Modified DSL design file"],"output_types":["Updated generated code files","Preserved business logic implementation"],"categories":["automation-workflow","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_11","uri":"capability://code.generation.editing.json.rpc.2.0.endpoint.generation","name":"json-rpc 2.0 endpoint generation","description":"Goa generates JSON-RPC 2.0 compliant endpoints from service definitions, creating HTTP endpoints that accept JSON-RPC 2.0 requests and return JSON-RPC 2.0 responses. The generator creates request/response marshaling code that maps JSON-RPC parameters to service method arguments and service method results to JSON-RPC responses. Error handling is integrated through JSON-RPC error codes and messages. The generated code handles both positional and named parameters as defined in the JSON-RPC 2.0 specification.","intents":["Generate JSON-RPC 2.0 endpoints for APIs that need to support legacy JSON-RPC clients","Automatically handle JSON-RPC request/response marshaling and error formatting","Support both positional and named JSON-RPC parameters","Provide JSON-RPC 2.0 compliant error responses with proper error codes and messages"],"best_for":["Teams that need to support JSON-RPC clients alongside HTTP/gRPC endpoints","Legacy systems that require JSON-RPC 2.0 compatibility","Microservices that want to expose the same business logic over multiple RPC protocols"],"limitations":["JSON-RPC 2.0 is a simple protocol; complex features like streaming or custom headers are not supported","JSON-RPC error codes are limited to the standard set defined in the specification; custom error codes require manual mapping","Batch requests are not automatically supported; custom code is needed for batch processing"],"requires":["Go 1.24.0 or later","Service definition in design","goa CLI JSON-RPC code generator"],"input_types":["ServiceExpr (service definition)","MethodExpr (method definitions)"],"output_types":["Go JSON-RPC 2.0 handler code","Request/response marshaling code","Error response formatting code"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_12","uri":"capability://code.generation.editing.design.driven.client.library.generation","name":"design-driven client library generation","description":"Goa generates type-safe client libraries for all transport protocols (HTTP, gRPC, JSON-RPC) from the service definition. The generator creates client structs with methods that correspond to service methods, handling request marshaling, response unmarshaling, and error handling. HTTP clients use the standard Go http.Client; gRPC clients use the generated gRPC stubs; JSON-RPC clients use HTTP with JSON-RPC 2.0 formatting. Generated clients are fully type-safe and include proper error handling and timeout support.","intents":["Generate type-safe client libraries that match the service definition","Avoid hand-writing client code for HTTP, gRPC, and JSON-RPC protocols","Ensure client libraries are synchronized with the service definition","Provide clients with proper error handling and timeout support"],"best_for":["Teams that want to generate client libraries alongside server implementations","Microservices that need clients for multiple transport protocols","Organizations that want to ensure clients match the service definition"],"limitations":["Generated clients are Go-only; clients for other languages require separate generation or manual implementation","Advanced client features (connection pooling, circuit breakers, retries) are not generated; custom code is needed","Client configuration (timeouts, headers, authentication) requires manual setup after generation"],"requires":["Go 1.24.0 or later","Service definition in design","goa CLI client code generator"],"input_types":["ServiceExpr (service definition)","MethodExpr (method definitions)"],"output_types":["Go client struct and methods","Request/response marshaling code","Error handling code"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_13","uri":"capability://code.generation.editing.http.request.response.header.and.parameter.mapping","name":"http request/response header and parameter mapping","description":"Goa generates code that maps HTTP request/response headers, path parameters, query parameters, and request bodies to service method arguments and results. The HTTPEndpointExpr configuration specifies where each parameter comes from (path, query, header, body), and the generator creates code that extracts, validates, and transforms these parameters. Response headers and status codes are also configured in the design and automatically generated. The generator handles type conversion (e.g., string to int) and validation for all parameter types.","intents":["Automatically extract and validate HTTP path parameters, query parameters, and headers","Map HTTP request bodies to service method arguments with type conversion and validation","Generate response headers and status codes based on design specifications","Avoid hand-writing parameter extraction and validation code"],"best_for":["REST APIs with complex parameter handling (multiple parameter types, custom validation)","Teams that want parameter extraction and validation to be generated and synchronized with design","Microservices that need consistent parameter handling across multiple endpoints"],"limitations":["Parameter mapping is limited to standard HTTP locations (path, query, header, body); custom parameter sources require manual code","Type conversion is limited to standard Go types; custom type conversions require manual code","Complex parameter validation (cross-parameter constraints) requires custom code"],"requires":["Go 1.24.0 or later","HTTPEndpointExpr configuration specifying parameter locations","goa CLI HTTP code generator"],"input_types":["HTTPEndpointExpr (HTTP routing and parameter configuration)","AttributeExpr (parameter type definitions)"],"output_types":["Go parameter extraction code","Type conversion code","Response header and status code code"],"categories":["code-generation-editing","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_2","uri":"capability://code.generation.editing.type.safe.request.response.validation.code.generation","name":"type-safe request/response validation code generation","description":"Goa generates validation code for all request payloads and response results based on ValidationExpr rules defined in the DSL (Required, Enum, Format, Pattern, Minimum, Maximum, etc.). The generated validation functions are type-safe Go code that enforces constraints at runtime before business logic executes. Validation rules are embedded in AttributeExpr definitions and automatically propagated to all transport layers (HTTP, gRPC, JSON-RPC), ensuring consistent validation across protocols without duplicating constraint definitions.","intents":["Automatically generate type-safe validation functions that enforce constraints defined in the design","Ensure request payloads are validated consistently across all transport protocols without manual validation code","Provide clear validation error messages that map back to design constraints","Avoid hand-writing repetitive validation boilerplate for required fields, enums, patterns, and numeric ranges"],"best_for":["Teams that want validation logic to be generated and kept in sync with design changes automatically","APIs with complex validation rules (nested objects, conditional requirements, cross-field constraints) that benefit from centralized definition","Microservices that need consistent validation across multiple transport protocols"],"limitations":["Validation rules are limited to declarative constraints (Required, Enum, Format, Pattern, Min, Max); complex conditional or cross-field validation requires custom code","Generated validation functions are synchronous and blocking; no support for async validation (e.g., checking uniqueness in a database)","Validation error messages are generated from constraint definitions; customizing error text requires post-generation code modification"],"requires":["Go 1.24.0 or later","ValidationExpr rules defined in DSL (Required(), Enum(), Format(), Pattern(), Minimum(), Maximum())","Generated validation code in service package"],"input_types":["ValidationExpr (validation rules from DSL)","AttributeExpr (type definitions with embedded validation)"],"output_types":["Go validation functions (e.g., ValidatePayload, ValidateResult)","Validation error types with constraint details"],"categories":["code-generation-editing","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_3","uri":"capability://code.generation.editing.openapi.swagger.specification.generation","name":"openapi/swagger specification generation","description":"Goa generates OpenAPI 3.0 specifications directly from the expression tree, mapping service definitions, methods, payloads, results, and HTTP endpoint configurations into OpenAPI components (paths, schemas, parameters, responses). The generator traverses the expression model and produces valid OpenAPI YAML/JSON that accurately reflects the API design, including request/response schemas, validation constraints, and HTTP metadata. This ensures the OpenAPI spec is always synchronized with the implementation and never becomes stale.","intents":["Generate accurate OpenAPI specifications that match the actual API implementation without manual synchronization","Provide OpenAPI specs for API documentation tools (Swagger UI, ReDoc) and client generation","Ensure OpenAPI specs reflect all validation constraints and type information from the design","Enable third-party tools to consume the API specification for testing, mocking, or client generation"],"best_for":["Teams that need OpenAPI specs for API documentation and third-party integrations","Organizations using API gateways or management platforms that consume OpenAPI specs","Development teams that want to avoid manually maintaining OpenAPI specs alongside code"],"limitations":["OpenAPI generation is HTTP-only; gRPC and JSON-RPC endpoints are not included in the spec","Custom HTTP headers, cookies, or non-standard request/response patterns may not be fully represented in the OpenAPI spec","OpenAPI spec generation does not include runtime behavior (e.g., error handling, retry logic) that is not explicitly defined in the design"],"requires":["Go 1.24.0 or later","HTTP endpoint configuration in design (HTTP() function in methods)","goa CLI with OpenAPI generator plugin"],"input_types":["Expression tree (ServiceExpr, MethodExpr, HTTPEndpointExpr, AttributeExpr)"],"output_types":["OpenAPI 3.0 YAML/JSON specification","OpenAPI schema definitions for all types"],"categories":["code-generation-editing","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_4","uri":"capability://code.generation.editing.type.transformation.and.marshaling.code.generation","name":"type transformation and marshaling code generation","description":"Goa generates type transformation functions that convert between transport-layer types (HTTP request bodies, gRPC messages, JSON-RPC parameters) and internal service types. The generator analyzes the expression tree to determine which fields must be transformed, in what order, and with what validation. Marshaling code is generated for serialization (Go structs to JSON/Protobuf) and unmarshaling code for deserialization (JSON/Protobuf to Go structs), with automatic handling of nested types, arrays, and custom types.","intents":["Automatically generate type-safe marshaling/unmarshaling code for all transport protocols","Avoid hand-writing repetitive serialization boilerplate for request/response transformation","Ensure type transformations are consistent across HTTP, gRPC, and JSON-RPC transports","Support custom type transformations (e.g., time.Time formatting, UUID handling) defined in the design"],"best_for":["Teams that want to avoid hand-writing marshaling code for multiple transport protocols","APIs with complex nested types or custom serialization requirements","Microservices that need consistent type handling across HTTP, gRPC, and JSON-RPC"],"limitations":["Type transformation code is generated for standard Go types; custom types require explicit transformation definitions in the design","Circular type references are not supported; the design must define acyclic type hierarchies","Generated marshaling code assumes standard serialization formats (JSON, Protobuf); custom formats require manual code"],"requires":["Go 1.24.0 or later","Type definitions in DSL using Type() or Result() functions","goa CLI code generator"],"input_types":["AttributeExpr (type definitions)","HTTPEndpointExpr, GRPCEndpointExpr (transport-specific type mappings)"],"output_types":["Go marshaling/unmarshaling functions","Type conversion code","Protobuf message definitions (for gRPC)"],"categories":["code-generation-editing","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_5","uri":"capability://code.generation.editing.http.endpoint.routing.and.middleware.integration","name":"http endpoint routing and middleware integration","description":"Goa generates HTTP endpoint routing code that maps HTTP requests to service methods based on HTTPEndpointExpr configurations (routes, HTTP methods, path parameters, query parameters, headers). The generated code creates a net/http compatible router that handles request parsing, parameter extraction, validation, and response serialization. Middleware hooks are generated at multiple points (before routing, before business logic, after business logic) allowing developers to inject cross-cutting concerns (logging, authentication, rate limiting) without modifying generated code.","intents":["Automatically generate HTTP routing code that maps requests to service methods based on design","Extract and validate HTTP path parameters, query parameters, and headers from requests","Provide middleware hooks for authentication, logging, rate limiting, and other cross-cutting concerns","Generate HTTP response code and headers based on design specifications"],"best_for":["Teams building REST APIs in Go that want routing and middleware integration generated from design","Microservices that need consistent HTTP handling across multiple endpoints","APIs with complex routing requirements (multiple routes per method, custom HTTP status codes)"],"limitations":["Generated routing code uses standard Go net/http; advanced routing features (regex patterns, route priorities) may require custom middleware","Middleware execution order is fixed by the generator; complex middleware orchestration requires manual code","HTTP-specific features like streaming, WebSockets, or Server-Sent Events require explicit DSL configuration and custom code"],"requires":["Go 1.24.0 or later","HTTP() configuration in service methods defining routes, methods, and parameters","goa CLI HTTP code generator"],"input_types":["HTTPEndpointExpr (HTTP routing and parameter configuration)"],"output_types":["Go HTTP handler functions","Router setup code","Middleware hook implementations"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_6","uri":"capability://code.generation.editing.grpc.service.stub.and.interceptor.generation","name":"grpc service stub and interceptor generation","description":"Goa generates gRPC service definitions (.proto files) and Go service stubs from GRPCEndpointExpr configurations. The generator creates gRPC service interfaces, request/response message types, and server/client implementations. Interceptor hooks are generated at multiple points (unary, streaming) allowing developers to inject cross-cutting concerns (authentication, logging, metrics) without modifying generated code. The generator handles both unary and streaming RPC patterns defined in the design.","intents":["Automatically generate gRPC service definitions and Go stubs from design without writing .proto files","Generate gRPC interceptor hooks for authentication, logging, metrics, and other cross-cutting concerns","Support both unary and streaming RPC patterns defined in the design","Ensure gRPC service definitions are synchronized with the design and never become stale"],"best_for":["Teams building gRPC microservices in Go that want service definitions generated from design","Organizations that want to avoid maintaining separate .proto files alongside Go code","Microservices that need interceptor support for authentication, logging, and metrics"],"limitations":["gRPC generation requires protoc compiler and Go protobuf plugins; additional tooling complexity compared to HTTP-only APIs","Advanced gRPC features (custom metadata, compression, keepalive) may require manual configuration after generation","Interceptor execution order is fixed by the generator; complex interceptor orchestration requires manual code"],"requires":["Go 1.24.0 or later","GRPC() configuration in service methods","protoc compiler (v3.0+)","Go protobuf plugins (protoc-gen-go, protoc-gen-go-grpc)","goa CLI gRPC code generator"],"input_types":["GRPCEndpointExpr (gRPC service configuration)","MethodExpr with streaming configuration"],"output_types":[".proto files (gRPC service definitions)","Go gRPC service stubs","Go gRPC server/client implementations","Interceptor hook code"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_7","uri":"capability://code.generation.editing.example.server.and.cli.client.code.generation","name":"example server and cli client code generation","description":"Goa generates example server implementations that demonstrate how to implement the service interface, and example CLI clients that show how to invoke the API. The generator creates boilerplate code that developers can use as a starting point for their implementation. Example code includes proper error handling, logging, and usage patterns. CLI clients are generated with command-line argument parsing and output formatting, allowing developers to test the API from the command line.","intents":["Generate example server code that shows how to implement the service interface","Generate CLI clients that can be used to test the API during development","Provide working examples of proper error handling and logging patterns","Reduce time to first working implementation by providing boilerplate code"],"best_for":["Teams that want working examples to accelerate development","New developers joining a project who need to understand the service interface","API developers who want to test endpoints during development without writing client code"],"limitations":["Generated example code is intentionally simple and may not reflect production-grade error handling or logging","CLI clients are generated for HTTP endpoints only; gRPC clients require manual implementation or additional tooling","Example code is overwritten on regeneration; any customizations must be moved to separate files"],"requires":["Go 1.24.0 or later","goa CLI with example code generator"],"input_types":["ServiceExpr (service definition)","MethodExpr (method definitions)"],"output_types":["Go example server code (cmd/service-server/main.go)","Go example CLI client code (cmd/service-cli/main.go)","Command-line argument parsing code"],"categories":["code-generation-editing","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_8","uri":"capability://code.generation.editing.design.driven.service.interface.generation","name":"design-driven service interface generation","description":"Goa generates Go service interfaces from ServiceExpr and MethodExpr definitions, creating type-safe interfaces that developers implement with business logic. Each method in the interface corresponds to a method in the design, with parameters matching the Payload type and return values matching the Result type. The generated interface enforces a contract between the design and implementation, ensuring that business logic matches the API specification. Error handling is integrated through the Errors field in MethodExpr, generating error types that can be returned from service methods.","intents":["Generate type-safe service interfaces that enforce the API contract defined in the design","Ensure business logic implementation matches the API specification without manual synchronization","Provide clear error types that correspond to errors defined in the design","Separate business logic from transport concerns (HTTP, gRPC, JSON-RPC)"],"best_for":["Teams that want to enforce API contracts through Go interfaces","Microservices that need clear separation between business logic and transport layers","Organizations that want to ensure implementation matches design specifications"],"limitations":["Service interfaces are generated once; changes to the interface require design changes and regeneration","Complex business logic that doesn't fit the request/response pattern may require custom code outside the service interface","Streaming and long-lived connections require special handling in the service interface"],"requires":["Go 1.24.0 or later","Service() and Method() definitions in design","goa CLI service code generator"],"input_types":["ServiceExpr (service definition)","MethodExpr (method definitions with Payload, Result, Errors)"],"output_types":["Go service interface","Error type definitions","Service implementation stubs"],"categories":["code-generation-editing","planning-reasoning"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"github-goadesign--goa__cap_9","uri":"capability://code.generation.editing.http.websocket.and.streaming.endpoint.generation","name":"http websocket and streaming endpoint generation","description":"Goa generates HTTP WebSocket and Server-Sent Events (SSE) endpoint code from MethodExpr streaming configurations. The generator creates WebSocket upgrade handlers and SSE response writers that integrate with the service interface. Streaming endpoints are defined in the design using Stream configuration, which specifies the streaming direction (client-to-server, server-to-client, bidirectional) and message types. The generated code handles connection lifecycle, message marshaling/unmarshaling, and error propagation.","intents":["Generate WebSocket endpoints for bidirectional real-time communication","Generate Server-Sent Events endpoints for server-to-client streaming","Automatically handle WebSocket upgrade, connection lifecycle, and message routing","Provide type-safe streaming message handling integrated with the service interface"],"best_for":["Teams building real-time APIs that need WebSocket or SSE support","Applications that require bidirectional communication between client and server","Microservices that need to stream data to multiple clients efficiently"],"limitations":["WebSocket and SSE support is HTTP-only; gRPC streaming is handled separately","Connection state management (reconnection, backpressure) requires custom code","Message ordering and delivery guarantees are not enforced by the generator; application code must handle these concerns"],"requires":["Go 1.24.0 or later","Stream configuration in MethodExpr defining streaming direction and message types","goa CLI HTTP code generator with WebSocket/SSE support"],"input_types":["MethodExpr with Stream configuration","AttributeExpr for streaming message types"],"output_types":["Go WebSocket handler code","Go SSE response writer code","Message marshaling/unmarshaling code for streaming"],"categories":["code-generation-editing","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":53,"verified":false,"data_access_risk":"high","permissions":["Go 1.24.0 or later","goa.design/goa/v3 module imported in project","Design file (typically design/design.go) defining services using Goa DSL","goa CLI tool (cmd/goa)","Design definition with HTTP(), GRPC(), or JSON-RPC configuration in service methods","For gRPC: protoc compiler and Go protobuf plugins (goa generates .proto files)","For HTTP: standard Go net/http library","goa CLI generator","Design file that can be modified and regenerated","Service definition in design"],"failure_modes":["DSL is Go-specific; non-Go developers must learn the syntax and cannot use familiar OpenAPI/Protobuf editors","Design changes require full regeneration of all transport code, which can be disruptive in large codebases with manual modifications","Expression system is internal; no stable API for third-party tools to consume or extend the design model","Protocol-specific features (e.g., gRPC streaming, HTTP WebSockets) require explicit DSL configuration; not all protocol capabilities are automatically inferred","Generated code assumes standard request/response patterns; highly custom protocol behavior may require manual code modifications after generation","Regeneration overwrites transport code, so any hand-written customizations must be in separate files or protected regions","Regeneration overwrites all generated files; custom modifications to generated code are lost","Breaking changes (removing methods, changing parameter types) are not prevented by the generator; developers must manage backward compatibility manually","Design versioning is not built-in; teams must implement their own versioning strategy (e.g., v1, v2 service versions)","JSON-RPC 2.0 is a simple protocol; complex features like streaming or custom headers are not supported","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.6080409512540819,"quality":0.5,"ecosystem":0.7000000000000001,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.3,"quality":0.2,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:21.550Z","last_scraped_at":"2026-05-03T13:58:37.060Z","last_commit":"2026-04-30T19:56:55Z"},"community":{"stars":6076,"forks":583,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=goadesign--goa","compare_url":"https://unfragile.ai/compare?artifact=goadesign--goa"}},"signature":"3YTChNG9nLeaouWzfaWeU2pFBCLHh3wsVbr9AFTAibc04pQq/eD+6xliwCc9Kr06A+LPTimfURl5cq/ke0RQDA==","signedAt":"2026-06-21T18:16:14.615Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/goadesign--goa","artifact":"https://unfragile.ai/goadesign--goa","verify":"https://unfragile.ai/api/v1/verify?slug=goadesign--goa","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}