"A simple MCP server or implementation" matching MCP servers:

A lightweight Model Context Protocol server that provides an in-memory key-value store with get, set, delete, list, and clear operations for MCP-compatible AI assistants and clients.

A lightweight MCP server that enables AI agents to retrieve customer support ticket information from an in-memory datastore via SSE.

Enables users to connect to Salesforce and perform CRUD operations, run SOQL/SOSL queries, and manage records through a lightweight MCP server with built-in safety gates for writes.

Read-only MySQL MCP server that lets AI agents list tables, describe schemas, and run SELECT/SHOW/EXPLAIN queries with a row cap, bound to a single database for safety.

A small Python MCP server for querying PostgreSQL and MySQL databases with read-only safety, featuring schema inspection, table description, and query execution tools.

A template project for building custom MCP servers that enables direct access to PostgreSQL databases, allowing SQL query execution and schema information retrieval through the Model Context Protocol.

This MCP server provides secure access to databases for AI agents, enforcing authentication, authorization, human approval, logging, and notifications to prevent dangerous actions.

MCP server to connect Claude with Odoo 18, enabling CRUD operations on Odoo models via natural language.

Enables AI assistants to query and read data on DICOM servers (PACS, VNA, etc.).

Enables AI tools to query context from a local JSON data source via stdio, demonstrating the Model Context Protocol.

A minimal MCP server that allows executing SQL queries on PostgreSQL databases with configurable read-only or write permissions.

Simple Snowflake MCP Server to work behind a corporate proxy.

Enables AI assistants to securely interact with MySQL databases, including listing tables, viewing schemas, and executing read-only SQL queries through natural language.

An MCP server for MySQL that enables users to execute SQL queries, inspect table structures, and explore database schemas through a clean, SOLID-based architecture. It includes built-in security validations to protect against dangerous operations and ensure safe interaction with database resources.

Exposes a small in-memory directory of ten people over streamable HTTP, letting an AI agent list every entry or look someone up by name or email.

A simplified Model Context Protocol server that enables Claude to interact with Xano databases through the Xano Metadata API.

Enables natural language queries against a MongoDB movie database to search films by title, genre, actor, year, or rating, and retrieve detailed movie information from the sample_mflix collection.

MCP server providing business tools for customer support and account management, integrated with SQLite, OpenAI, and Streamlit.

Gives Claude full read/write access to the Indexed FP&A portal's data, enabling everything a person can do manually on the portal through conversation.

A secure MCP server for querying a subscription business database with AST-based SQL guarding, PII masking, audited two-step write actions, and a seeded demo dataset.