{"id":"e2b-dev-mcp-server","name":"E2B","af_score":70.5,"security_score":75.8,"reliability_score":61.2,"what_it_does":"E2B MCP server provides code execution capabilities to Claude via the Model Context Protocol, integrating E2B Sandbox to allow Claude to run and interpret code in isolated environments.","best_when":"You want Claude to execute code as part of conversation flow without managing separate E2B SDK integration or infrastructure.","avoid_when":"You need persistent state, custom execution environments, or want to avoid E2B service dependencies.","last_evaluated":"2026-04-04T22:19:41.589840+00:00","has_mcp":true,"has_api":false,"auth_methods":["E2B API key"],"has_free_tier":true,"known_gotchas":["E2B sandbox sessions are ephemeral; code state doesn't persist between tool calls","Network calls from sandbox depend on E2B network access configuration","File system operations are isolated to sandbox environment, not accessible from host","Sandbox timeout and resource limits may interrupt long-running code","Missing error recovery documentation; agents should implement try-catch patterns"],"error_quality":80.0}