{"id":"openimsdk-open-im-server","name":"open-im-server","homepage":"https://openim.io","repo_url":"https://github.com/openimsdk/open-im-server","category":"communication","subcategories":[],"tags":["im","chat","messaging","microservices","rest-api","webhooks","go","self-hosted"],"what_it_does":"Open-IM Server is an open-source instant messaging backend for developers, providing a microservices-based IM server with support for a gateway and multiple RPC services. It offers a REST API for business integrations (e.g., group creation/message pushing) and webhook callbacks around IM events, alongside an OpenIM SDK intended for client/application integration.","use_cases":["Embedding instant messaging features into developer applications","Building group chat functionality and user/session management","Integrating external business systems with IM events via REST APIs and webhooks","Operating large-scale IM deployments (cluster mode, high message/user volume)"],"not_for":["A turnkey end-user chat app without backend development/integration","Use cases requiring a fully documented, single cohesive third-party developer API surface based solely on the provided README excerpt"],"best_when":"You want to self-host or deploy an IM backend and integrate chat capabilities into your own services using the provided server APIs and SDKs.","avoid_when":"You need a simple, minimal interface with clearly specified auth, rate limits, and OpenAPI details available directly in the top-level README excerpt.","alternatives":["Stream Chat (managed chat)","Sendbird (managed chat)","Rocket.Chat (self-hosted chat server)","Matrix homeserver (federated messaging)"],"af_score":31.2,"security_score":29.0,"reliability_score":32.5,"package_type":"skill","discovery_source":["openclaw"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-29T13:18:45.820961+00:00","interface":{"has_rest_api":true,"has_graphql":false,"has_grpc":true,"has_mcp_server":false,"mcp_server_url":null,"has_sdk":true,"sdk_languages":["Go"],"openapi_spec_url":null,"webhooks":true},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"The provided README excerpt mentions REST API and webhooks but does not describe authentication mechanisms, token types, or scopes."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Project is open-source; deployment/hosting costs depend on your infrastructure."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":31.2,"security_score":29.0,"reliability_score":32.5,"mcp_server_quality":0.0,"documentation_accuracy":45.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":30.0,"rate_limit_clarity":10.0,"tls_enforcement":50.0,"auth_strength":20.0,"scope_granularity":10.0,"dependency_hygiene":40.0,"secret_handling":30.0,"security_notes":"Security posture cannot be confirmed from the provided README excerpt. TLS/auth specifics, secret-handling practices, and authorization scope granularity are not described here; treat integration as requiring careful review of server configuration and API auth implementation.","uptime_documented":0.0,"version_stability":50.0,"breaking_changes_history":50.0,"error_recovery":30.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["No MCP server in the provided materials (agent integration likely requires direct HTTP calls to REST/RPC endpoints).","Top-level README excerpt does not expose auth, error schema, rate-limit headers, pagination, or retry/idempotency guidance."]}}