"OAuth authentication and authorization protocol information" matching MCP servers:

Implements a secure MCP server with API Key and JWT authentication, providing tools like echo, login, secure_action, and admin_action. Includes MCP Inspector integration for testing and debugging.

Multi-tenant MCP server with OAuth 2.1 authorization, enabling tenant-scoped tool access and audit logging.

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

A comprehensive MCP server for managing AI-assisted Dungeons & Dragons campaigns, featuring tools for character sheets, combat tracking, and world-building. It enables players and DMs to interact with 5e game mechanics and query personal PDF rulebooks using RAG capabilities.

Enables local MCP clients to interact with xAI Grok through OAuth PKCE, supporting chat, X search, image/video generation, TTS, and transcription.

Enables agents to issue and validate cryptographic delegated payment mandates for tokenized checkout, enforcing spend limits, velocity thresholds, and merchant whitelists. Generates ephemeral single-use authorization tokens so commerce and workplace agents can complete purchases within policy boundaries.

Enables connecting multiple remote HTTP MCP servers through a single local stdio endpoint, handling OAuth authentication, token refresh, and namespace-scoped tools.

Enables multi-agent coordination with file locking, shared registry, async messaging, and architectural decision logging via MCP tools.

Relays a result screenshot to Slack so you can review a coding agent's output without opening the app.

Enables local MCP server for reading, writing, creating Google Sheets and charts via OAuth, acting as the logged-in user without manual sharing.

Enables natural language interaction with Xero accounting data, managing contacts, invoices, and accounts across multiple organisations via OAuth2.

Tracks protocol adherence and maintains audit trails for Claude sessions, providing tools for logging steps, activities, and violations, and computing compliance scores.

MCP server that lets AI coding tools control and observe a running Node.js process through the chrome devtools protocol (CDP), via a lightweight Debug Adapter Protocol (DAP) bridge.

Provides automated login and credential refreshing for Mingdao (HAP) using Playwright to extract session tokens and cookies. It enables AI tools to maintain authenticated access to Mingdao Cloud for automation scripts and MCP configurations.

An intelligent MCP server that acts as an AI tech lead for coding agents, providing expert validation, impact analysis, and strategic guidance before code changes are made.

This MCP server provides a local-first control plane for coding agents, enabling task routing, contract management, and shared learning across multiple AI vendors via markdown files.

Enables Claude AI to control Ableton Live and Max for Live, allowing music production tasks like track management, MIDI editing, and pattern generation directly from conversation.

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

A complete OAuth 2.1 server implementation for FastMCP with PKCE support, enabling secure authentication and authorization flows. Provides authorization code exchange, token management, and refresh capabilities for building authenticated MCP applications.

This MCP server implements a secure OAuth 2.1 authorization server with Google login, enabling authenticated tool execution and a user interface for MCP applications.