"Understanding OAuth 2.0 Protocol" matching MCP servers:

Unofficial read-only MCP server for LINE WORKS AiNote (AI meeting notes). Lists and searches notes and reads AI summaries and full transcripts; OAuth 2.0 with tokens stored in the OS keychain.

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

Structured financial data for ~3,800 Japanese listed companies from EDINET regulatory filings — financials, major shareholders, segments, executive compensation, and corporate history. Remote MCP over HTTPS with OAuth 2.0, free tier.

Trust infrastructure for the agent economy.

Schedule and manage social media posts across 13 platforms (Bluesky, Threads, Instagram, LinkedIn, Mastodon, YouTube, Facebook, Pinterest, Telegram, Nostr, X/Twitter, Discord, Tumblr and more). OAuth 2.0 + PKCE, 10 tools, draft-first workflow for AI agents.

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

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.

A persistent memory system for Large Language Models (LLMs) that enables continuous learning and knowledge retention across sessions through the Model Context Protocol (MCP).

Enables MCP clients to run bounded epidemic dissemination, causal ordering, conflict-free state merging, and quorum-based transaction coordination across autonomous agent swarms.

AI-native tooling and MCP integrations for understanding enterprise reports

MCP server for e-commerce operations including product catalog management, cart/checkout, and Stripe integration, with built-in EU AI Act compliance.

EU Digital Identity Wallet (eIDAS 2.0) for AI agents, compliant with MCP protocol and EU AI Act.

MCP server providing witness, recovery, and continuity primitives for AI agents, enabling them to articulate failure, preserve state across sessions, and coordinate via MCP, A2A, or REST.

Gaia Protocol—a planetary DAO for global resource management using quantum-entangled ledgers and algorithmic governance.

Provides CPG agent protocols, signals, and standards for agentic commerce, including tools to query protocol canon, signals, and header configurations.

Enables AI agents to interact with ServiceFusion's field service management platform through standardized MCP operations. Supports complete customer and job management including creating work orders, managing customer records, and accessing service data with OAuth 2.0 authentication.

Provides cryptographically signed, tamper-evident compute usage receipts via a Model Context Protocol server, exposing tools to record usage, verify receipts, list the ledger, and verify ledger integrity without requiring any account, API key, or single cloud provider.

Enables AI assistants to browse and interact with both Gopher and Gemini protocol resources safely and efficiently.

Calculates Vietnamese Tử Vi horoscope charts, generating structured JSON with Thiên Bàn and Địa Bàn, transit analysis, and local persistence via SQLite.

An MCP server that enables any AI agent to call Claude using your existing Max/Pro subscription via OAuth, avoiding additional API billing.