{"id":"e2eteam-echoserver","name":"echoserver","homepage":"https://hub.docker.com/r/e2eteam/echoserver","repo_url":"https://hub.docker.com/r/e2eteam/echoserver","category":"devtools","subcategories":[],"tags":["echo","server","http","networking","testing","example"],"what_it_does":"A minimal echo server that listens on a TCP/HTTP endpoint and returns received request data (commonly echoing the request body or message back to the caller). Intended as a simple example or test server for connectivity and basic request/response behavior.","use_cases":["Quickly verifying network connectivity to a service (health/connectivity tests)","Testing client integrations that expect an echo endpoint","Demonstrating server routing and request handling in a minimal project","Local development testing for proxies, load balancers, or SDKs"],"not_for":["Production workloads requiring robust security, observability, rate limiting, and strict input validation","Handling untrusted high-volume traffic without additional controls"],"best_when":"You need a simple deterministic endpoint for integration testing or learning server basics.","avoid_when":"You need strong security guarantees, authentication, or production-grade reliability features out of the box.","alternatives":["httpbin (echo endpoints)","postman echo services (for testing)","custom minimal servers using frameworks (Express/FastAPI)","grpc-gateway test services (for gRPC/HTTP echo)"],"af_score":24.5,"security_score":22.0,"reliability_score":20.0,"package_type":"mcp_server","discovery_source":["docker_mcp"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T19:42:48.262629+00:00","interface":{"has_rest_api":false,"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":"No authentication/security mechanisms are indicated for this kind of minimal echo server; treat it as unsecured unless you add protections at the deployment layer."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Not a hosted service; assumed to be run locally or self-hosted, so pricing depends on your infrastructure."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":24.5,"security_score":22.0,"reliability_score":20.0,"mcp_server_quality":0.0,"documentation_accuracy":0.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":100.0,"rate_limit_clarity":0.0,"tls_enforcement":20.0,"auth_strength":0.0,"scope_granularity":0.0,"dependency_hygiene":40.0,"secret_handling":60.0,"security_notes":"Echo servers are typically unsecured examples; security depends entirely on how you run them (TLS termination, authentication, network controls, input size limits). Verify dependency versions and add deployment-layer protections (firewall/WAF, rate limiting, TLS, auth) before exposing externally.","uptime_documented":0.0,"version_stability":30.0,"breaking_changes_history":30.0,"error_recovery":20.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Echo servers may reflect untrusted input back to clients, which can cause agent-side parsing issues if the agent assumes sanitized output.","If the echo behavior includes headers/body verbatim, agents should avoid logging sensitive data in prompts or traces."]}}