"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.

Acts as a secure OAuth 2.0/2.1 proxy gateway for MCP servers, enabling integration with Claude and ChatGPT platforms.

MCP server with built-in Google OAuth 2.0 authentication, enabling secure tool access via Google sign-in with automatic token lifecycle management and optional domain restriction for Google Workspace organizations.

A simple MCP server with OAuth 2.0 authentication for testing OAuth support in mcp-cli.

A configurable OAuth 2.0 authorization server and OAuth-protected MCP server for end-to-end testing of OAuth-protected MCP flows, including failure injection and control plane.

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

A deployable serverless MCP OAuth gateway and proxy that adds OAuth 2.0 authentication to Excalidraw tools or any external MCP server, enabling secure connections from clients like Google Spark and Gemini.

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.

MCP server for enterprise authentication and authorization — JWT validation, OIDC token inspection, OAuth 2.0 introspection, and role-based access control for AI agents.

MCP server for parsing, validating, building and explaining FIX protocol trading messages — offline, no API keys.

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.

A local MCP server that automatically generates tools from Toss Securities' official OpenAPI spec, enabling real API calls with multi-layered order safety and OAuth 2.0 authentication.

Enables running a minimal MCP server over stdio that manually implements JSON-RPC, exposing an add tool so users can observe the handshake, tool listing, and tool call cycle without the official SDK.

AIFeed Open Standard. AIFeed Protocol to the building tools section. AIFeed enables web publishers to provide verified, token-efficient content feeds for AI agents.

Enables AI assistants to manage TapTap minigames and H5 games, including leaderboards, sharing, multiplayer, cloud saves, and game DC data query, with zero-config OAuth 2.0 authentication.

Provides time intelligence, persistent memory and complete traceability for AI coding agents. Enables sophisticated activity tracking, timezone management, smart reminders, and cross-session continuity with support for both per-project and centralized storage modes.

Enables creating Spotify playlists based on text descriptions by connecting Cursor editor to Spotify's API through OAuth authentication.

Facilitates authentication with GitHub using OAuth protocol, allowing secure access and interaction with GitHub repositories and services.

A Model Context Protocol (MCP) server for structured understanding of RFC documents.

Enables authenticated interaction with a ServiceNow Personal Developer Instance through OAuth 2.0, exposing tools to test connectivity and perform generic CRUD operations on any ServiceNow table plus flow management on the sys_hub_flow table.