{"id":"vhiribarren-echo-server","name":"echo-server","homepage":"https://hub.docker.com/r/vhiribarren/echo-server","repo_url":"https://hub.docker.com/r/vhiribarren/echo-server","category":"devtools","subcategories":[],"tags":["testing","mocking","http","echo","development","devtools"],"what_it_does":"echo-server is a simple service that echoes back input it receives (typically over HTTP) for testing and development purposes.","use_cases":["Local development/testing of clients","Integration tests for request/response plumbing","Demonstrating API connectivity or networking","Load-testing basic request handling"],"not_for":["Production systems handling sensitive data or untrusted traffic","Replacing a real business API","Security-critical environments without additional protections"],"best_when":"You need a minimal echo endpoint to verify that a client can send requests and correctly receive responses.","avoid_when":"You cannot apply network controls (firewalling, TLS termination, rate limiting) and you must handle untrusted internet traffic.","alternatives":["httpbin","MockServer","WireMock","Postman Echo Service","Prism (for API mocking)"],"af_score":30.8,"security_score":26.5,"reliability_score":27.5,"package_type":"mcp_server","discovery_source":["docker_mcp"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T21:28:53.254623+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; exact behavior is not confirmed from the provided data."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"No pricing information provided; typically self-hosted."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":30.8,"security_score":26.5,"reliability_score":27.5,"mcp_server_quality":0.0,"documentation_accuracy":40.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":90.0,"rate_limit_clarity":0.0,"tls_enforcement":30.0,"auth_strength":10.0,"scope_granularity":0.0,"dependency_hygiene":40.0,"secret_handling":60.0,"security_notes":"As an echo service, it can reflect untrusted input; ensure TLS termination, input size limits, and network access controls. Auth/scopes and rate limiting are not evidenced here.","uptime_documented":0.0,"version_stability":40.0,"breaking_changes_history":40.0,"error_recovery":30.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Echo semantics can lead to large responses if clients send big payloads","No guaranteed idempotency semantics; retries may duplicate side effects if any exist beyond echoing","If the server accepts arbitrary input, agents should enforce payload size limits to avoid excessive memory usage"]}}