{"id":"jamesw-http-echo-server","name":"http-echo-server","homepage":"https://hub.docker.com/r/jamesw/http-echo-server","repo_url":"https://hub.docker.com/r/jamesw/http-echo-server","category":"devtools","subcategories":[],"tags":["devtools","infrastructure","testing","http","mock-server","echo"],"what_it_does":"An HTTP echo server that listens for incoming HTTP requests and returns (echoes) request data back to the client, typically useful for testing clients, proxies, and webhook integrations.","use_cases":["Testing HTTP client request/response handling","Validating reverse proxies/load balancers and routing","End-to-end testing of webhook delivery","Debugging network middleware (CORS, headers, body parsing)","Local integration testing for systems that must speak HTTP"],"not_for":["Production use as a generic public endpoint without hardening","Handling sensitive data or authentication/authorization-sensitive workloads","High-level API operations requiring business logic or persistence"],"best_when":"You need a minimal deterministic HTTP endpoint for integration testing and debugging in local or staging environments.","avoid_when":"You need strong access control, rate-limiting guarantees, or durable/secure processing of user data, and you cannot harden it yourself.","alternatives":["httpbin (echo/testing endpoints)","MockServer","WireMock","Beeceptor/Mock endpoints","Custom lightweight echo service in your stack"],"af_score":33.8,"security_score":20.0,"reliability_score":6.2,"package_type":"mcp_server","discovery_source":["docker_mcp"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T19:40:44.770405+00:00","interface":{"has_rest_api":true,"has_graphql":false,"has_grpc":false,"has_mcp_server":false,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"Echo servers typically do not implement authentication; if supported, it is not evidenced by provided materials."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"No hosted pricing information provided (appears to be a self-hosted utility)."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":33.8,"security_score":20.0,"reliability_score":6.2,"mcp_server_quality":0.0,"documentation_accuracy":20.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":100.0,"rate_limit_clarity":0.0,"tls_enforcement":30.0,"auth_strength":10.0,"scope_granularity":0.0,"dependency_hygiene":50.0,"secret_handling":20.0,"security_notes":"As a generic echo server, it can reflect sensitive request data and therefore should be run behind TLS and only in controlled environments. Auth/rate-limiting and input size limits are not evidenced here and should be implemented/configured by the operator.","uptime_documented":0.0,"version_stability":0.0,"breaking_changes_history":0.0,"error_recovery":25.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Echo servers may reflect request bodies/headers verbatim; avoid sending secrets while testing.","If the server is run without explicit limits, large payloads can cause memory/timeout issues.","HTTP route behavior (which paths/methods are supported) may be minimal; agents should confirm via quick probes."]}}