{"id":"rainyheart-jcrawl4ai-mcp-server","name":"jcrawl4ai-mcp-server","af_score":43.5,"security_score":37.2,"reliability_score":16.2,"what_it_does":"jcrawl4ai-mcp-server is a Spring Boot-based MCP server (stdio transport) that exposes MCP tools to call a Crawl4ai API: it can start a crawl for a set of URLs (returning a task ID / JSON result) and fetch crawl results by taskId.","best_when":"You want an MCP tool interface for Crawl4ai (crawl + task retrieval) and can securely provide base URL + API token to the server.","avoid_when":"You cannot verify how errors/timeouts are handled or where logs/token values may be written; or you require well-specified rate limits, retry semantics, and pagination for robust agent operation.","last_evaluated":"2026-04-04T19:41:31.900881+00:00","has_mcp":true,"has_api":false,"auth_methods":["API token via application.properties (cawl4ai.api-token)"],"has_free_tier":false,"known_gotchas":["The MCP server is configured for stdio with a fixed timeout (60 in the sample). If upstream crawl jobs are slow, agents may need to poll task results; retry/polling guidance is not documented.","Tool parameters (strategy, output_format, max_depth, urls/taskId) are not fully specified (types, allowed values, limits).","No rate-limit behavior or backoff strategy is described for either the MCP server or the upstream Crawl4ai API."],"error_quality":0.0}