"Understanding OAuth 2.0 Protocol" matching MCP servers:

A production-ready Model Context Protocol server that enables AI assistants and applications to interact with Airtable bases through a standardized interface with secure OAuth 2.0 authentication.

Enables AI assistants to perform CRUD operations on a SQLite database, with all tools protected by Google OAuth 2.0 authentication.

A Node.js MCP server that enables Claude Desktop to securely run read-only SQL queries against MariaDB/MySQL and Microsoft SQL Server databases using OAuth 2.0 PKCE authentication. It provides short-lived, per-user credentials that never touch disk, allowing secure database access through natural language interactions.

A multi-database MCP server with OAuth 2.0 authentication and granular access control, enabling secure connections to multiple database types (SQLite, MySQL, PostgreSQL, MongoDB, Redis) with configurable read/write permissions and tool filtering.

Enables MCP-compatible clients to securely access and query NetSuite data using OAuth 2.0 with PKCE, including SuiteQL, reports, saved searches, and record operations.

A Model Context Protocol (MCP) server providing access to NetSuite data through OAuth 2.0 with PKCE authentication. Works seamlessly with any MCP-compatible client including Claude Code, Cursor IDE, and Gemini CLI.

Enables AI assistants to securely interact with Salesforce CRM data through SOQL queries, CRUD operations, and metadata exploration. Supports connecting to Salesforce objects like Accounts, Contacts, and Opportunities via OAuth 2.0 authentication.

A Model Context Protocol server implementation that enables LLMs to interact with NebulaGraph database for graph exploration, supporting schema understanding, queries, and graph algorithms.

Enables AI assistants to access, search, and analyze Google Spreadsheets through the Model Context Protocol. Supports both OAuth 2.0 for private sheets and API key authentication for public sheets, with tools for listing, reading, and searching spreadsheet data.

MCP server for exploring and querying Supabase databases with interactive React widgets for schema browsing, table viewing, and SQL execution.

A demo MCP server illustrating production patterns including OAuth 2.0 token validation, workspace context management, Firestore integration, and Zod schema validation using TypeScript.

Provides AI assistants with read-only access to inspect database schemas, preview data, and run safe queries across PostgreSQL, MySQL, MongoDB, and SQL Server. It enables AI tools to understand database structures and relationships automatically to generate more accurate code.

Provides read-only access to Google Sheets data through OAuth 2.0 authentication, enabling users to retrieve spreadsheet metadata, list tabs, and read cell data using natural language queries.

Provides AI assistants with persistent graph database memory using Neo4j, enabling task management, relationship understanding, semantic search with embeddings, file indexing, and multi-agent coordination through the Model Context Protocol.

MCP server enabling real-time weather queries via Tavily API and internet usage data by country via MongoDB.

Enables Gemini Enterprise and LLM agents to securely connect to and act on enterprise systems including Xero accounting, BigQuery, Firestore, and Sage HR, with OAuth 2.0 PKCE, privacy and cost guardrails, and an embedded admin portal.

MCP server for Databricks Unity Catalog, enabling table listing, schema description, and read-only SQL query execution via natural language. Built from scratch to demonstrate JSON-RPC 2.0 protocol depth.

Enables users to interact with PostgreSQL databases through natural language, with GitHub OAuth authentication and role-based access control.

A Model Context Protocol server for PostgreSQL that enables database operations like querying, schema inspection, performance analysis, and administration through a JSON-RPC 2.0 interface.

Enables AI assistants to interact with Salesforce CRM by executing SOQL queries and performing CRUD operations on records such as Leads. It supports secure OAuth 2.0 authentication and provides management for both standard and custom Salesforce fields.