"Lens" matching MCP servers:

Lens-MCP is a read-only Postgres MCP server that lets AI agents inspect and query approved database data safely.

Full featured MCP Server for MongoDB database analysis.

MCP server to connect MySQL DB for read-only queries. It offers accurate query execution.

Securely connect AI assistants to PostgreSQL databases with read-only access, schema discovery, querying, and performance analysis tools.

Lets agents and CLI users inspect the shape of large JSON and JSONL files and extract exactly the values they need using jq-like expressions, returning compact bounded results instead of flooding context.

Enables users to ask questions about their spreadsheets in plain English and receive instant answers using DuckDB-powered analytics, supporting multiple file formats like Excel, CSV, and Parquet.

Provides 17 standalone tools across calc, site, and catalog domains, enabling optics calculations, knowledge-base search, and read-only lens catalog queries via MCP without requiring an LLM or frontend.

Manage, explore, transform and join data in Kafka topics across multiple clusters using different flavours of Apache Kafka via Lenses.io (including the free Community Edition)

A read-only Postgres MCP server that parses SQL to block write statements and prevents bypasses by refusing connections with write privileges.