{"id":"cefboud-kafka-mcp-server","name":"kafka-mcp-server","homepage":"https://cefboud.com/","repo_url":"https://github.com/CefBoud/kafka-mcp-server","category":"infrastructure","subcategories":[],"tags":["ai-ml","mcp","kafka","streaming","observability","automation","devtools","go"],"what_it_does":"Kafka MCP Server is a Model Context Protocol (MCP) server that lets an LLM client interact with an Apache Kafka cluster using natural-language tool calls. It provides MCP tools to inspect Kafka (e.g., topics, consumer groups/lags, broker/controller info, offsets) and to operate on topics (e.g., produce messages, create topics, consume messages). It can be run locally via Docker or as a Go binary, and supports an optional “MultiplexTool” mode to batch multiple tool calls in a single request (with optional Gemini-backed PROMPT_ARGUMENT inference).","use_cases":["Ask an LLM to list and describe Kafka topics and brokers/controllers","Generate and produce messages to Kafka topics","Read/consume messages from Kafka for debugging or analysis","Explain consumer group lag and offsets to help diagnose pipeline issues","Create topics on demand (when not restricted to read-only)","Batch multiple dependent Kafka operations via multiplexing to reduce round-trips"],"not_for":["Security-sensitive production control where unauthenticated access must be tightly prevented without additional network controls","Environments that require strongly governed access (fine-grained per-tool/per-topic authorization)","Use cases needing Kafka Connect or Schema Registry integration (not marked as implemented)"],"best_when":"You have a Kafka cluster reachable from the host running the MCP server (or via Docker networking), and you want an LLM-driven ops/debug workflow around topic metadata, offsets, consumer-group lag, and message production/consumption.","avoid_when":"You cannot safely expose the MCP server to trusted clients only; you require TLS/authentication between the MCP client and server; or you need features explicitly not listed as available (consumer group offset reset, Kafka Connect, Schema Registry).","alternatives":["Use native Kafka CLI tools (kafka-topics.sh, kafka-console-producer.sh, kafka-consumer-groups.sh, etc.)","Build a custom MCP server or tool wrapper with explicit authn/authz and RBAC","Use existing Kafka management web UIs and call them from an agent (if available)","Use a generic “LLM + API tools” approach with a controlled backend that exposes only whitelisted Kafka actions"],"af_score":46.5,"security_score":29.5,"reliability_score":17.5,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T19:45:31.347966+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["None described for MCP server; configuration is via environment variables/CLI flags (e.g., KAFKA_MCP_BOOTSTRAP_SERVERS).","Optional Gemini API key for PROMPT_ARGUMENT inference when using MultiplexTool (GEMINI_API_KEY)."],"oauth":false,"scopes":false,"notes":"README does not describe MCP authentication/authorization. It only documents access to Kafka via bootstrap servers and an optional read-only flag. If MCP server exposure is not restricted at the network layer, the effective security posture may be weak."},"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 (project appears self-hostable)."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":46.5,"security_score":29.5,"reliability_score":17.5,"mcp_server_quality":78.0,"documentation_accuracy":70.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":25.0,"rate_limit_clarity":10.0,"tls_enforcement":20.0,"auth_strength":15.0,"scope_granularity":20.0,"dependency_hygiene":45.0,"secret_handling":55.0,"security_notes":"README documents a Kafka bootstrap server configuration and an optional read-only mode, but does not describe authentication/authorization for the MCP server itself. TLS requirements for the MCP transport are not stated. The project supports logging command requests/responses to a file when --enable-command-logging is enabled; agents should assume logs could contain sensitive data unless the implementation redacts it. MultiplexTool can call Gemini (requires GEMINI_API_KEY), introducing an external-data/control consideration for prompt-based argument inference. No dependency/SBOM/CVE information is provided in the supplied content.","uptime_documented":0.0,"version_stability":50.0,"breaking_changes_history":0.0,"error_recovery":20.0,"idempotency_support":"false","idempotency_notes":null,"pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Some tools are marked as not implemented (e.g., consumer group offset reset, Kafka Connect, Schema Registry).","Message consumption/production actions can be stateful and may have side effects; agents should respect --read-only when appropriate.","Multiplexing’s PROMPT_ARGUMENT inference depends on Gemini and requires GEMINI_API_KEY; mis-inferred arguments can lead to incorrect tool inputs.","No explicit rate-limit guidance is provided; agent callers may need to manage request pacing themselves."]}}