{"id":"cdatasoftware-excel-online-mcp-server-by-cdata","name":"excel-online-mcp-server-by-cdata","af_score":47.5,"security_score":30.8,"reliability_score":21.2,"what_it_does":"Provides a local, read-only MCP server that wraps CData’s JDBC Driver for Excel Online, exposing Excel Online content as relational tables/columns and allowing tool-based SQL SELECT queries via an MCP (stdio) interface for AI clients like Claude Desktop.","best_when":"You want a local MCP integration to query Excel Online data for an on-device desktop client, and you are willing to install/configure the CData JDBC driver plus a local MCP server jar.","avoid_when":"You need fine-grained security controls, audited access logs, or robust network exposure (since it’s local stdio and credentials/config are handled via a local .prp file).","last_evaluated":"2026-04-04T19:58:59.195428+00:00","has_mcp":true,"has_api":false,"auth_methods":["CData JDBC driver authentication as configured in the JDBC connection/JdbcUrl (may involve OAuth via browser per README note).","License activation for the CData JDBC driver via java -jar ... --license."],"has_free_tier":false,"known_gotchas":["Server is stdio-based and can only be used with clients running on the same machine as the server.","It is described as a read-only MCP server; attempts to perform write/update/delete may fail or be unsupported.","The README example SQL includes direct SELECT; agents should avoid injecting unsafe SQL patterns and should be mindful that tool accepts an arbitrary SQL string (query results may depend on driver table/column naming and quoting).","OAuth flows (if used) happen during CData JDBC connection configuration; the MCP server itself does not appear to manage auth renewal explicitly in this README."],"error_quality":0.0}