{"id":"bengbengbalabalabeng-fastexcel-mcp-server","name":"fastexcel-mcp-server","af_score":54.2,"security_score":35.2,"reliability_score":31.2,"what_it_does":"Provides a Model Context Protocol (MCP) server (Java) that reads Excel-like files (XLSX/XLS/CSV), extracts sheet names, parses header rows into column specs, and reads data rows with values associated to headers. Includes in-memory caching utilities and enforces access to files via an allowed-workspace mechanism configured with env var MCP_WORKSPACES.","best_when":"You run the MCP server yourself (local or controlled environment) and want a simple tool-based interface for reading spreadsheet contents from files within predetermined directories.","avoid_when":"You need external users to access the server over a network with strong authentication/authorization guarantees, or you cannot control the file system/workspace directories the server may read.","last_evaluated":"2026-04-04T20:02:46.425466+00:00","has_mcp":true,"has_api":false,"auth_methods":["None described (local/tool-based MCP server)","Workspace restriction via MCP_WORKSPACES environment variable"],"has_free_tier":false,"known_gotchas":["The server only allows operations within directories specified via env MCP_WORKSPACES; passing paths outside may fail.","Excel parsing depends on headRowNumber and optional sheetName; incorrect header row or sheet name will likely produce wrong header/data associations.","Cache behavior: repeated calls may return cached results; if the underlying file changes, behavior is not described (e.g., cache invalidation strategy)."],"error_quality":0.0}