MCPNews

The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

MCP 2024-11-05

SUPERSEDED Confidence: High (1.00)

MCP 2024-11-05 is a superseded revision of the Model Context Protocol specification, released 2024-11-05. 60 of 60 verified entities support it.

What is MCP specification revision 2024-11-05?

MCP 2024-11-05 is a superseded revision of the Model Context Protocol specification, released 2024-11-05.

Which servers and clients support MCP 2024-11-05?

60 entities have a verified support record against 2024-11-05: 60 supported, 0 partial, 0 not supported. Each record links its evidence URL and check date.

The initial release of the Model Context Protocol specification: JSON-RPC 2.0 messages over stateful connections with capability negotiation, server features (resources, prompts, tools), the client sampling feature, and utilities for progress, cancellation, and logging.

What changed in MCP 2024-11-05?

  • Initial protocol release
  • JSON-RPC 2.0 message format over stateful connections with client/server capability negotiation
  • Server features: resources, prompts, tools
  • Client feature: sampling (server-initiated LLM interactions)
  • Utilities: progress tracking, cancellation, error reporting, logging

MCP 2024-11-05 is the first published revision of the Model Context Protocol specification. It defined the protocol as JSON-RPC 2.0 over stateful connections, with hosts, clients, and servers negotiating capabilities at connection time, and established the core primitives that every later revision builds on: resources, prompts, and tools on the server side, and sampling on the client side.

Which servers and clients are verified against MCP 2024-11-05?

Entity Type Status Last checked Evidence
0nMCP — Universal AI API Orchestrator server Supported Source
Address Validator API server Supported Source
Airdrop Checker API server Supported Source
Color Palette Generator API server Supported Source
Crontab Generator API server Supported Source
Crypto News Feed API server Supported Source
CSV to JSON API server Supported Source
Currency Converter API server Supported Source
DeFi Yield Finder API server Supported Source
DEX Swap Quotes API server Supported Source
Diff Checker API server Supported Source
DNS Lookup API server Supported Source
Email Deliverability Audit API server Supported Source
Email Finder API server Supported Source
ENS Resolver API server Supported Source
Event Resolver API server Supported Source
Gas Estimator API server Supported Source
Hash Generator API server Supported Source
HTML to Markdown API server Supported Source
HTTP Headers Analyzer API server Supported Source
Hyperliquid Perp Market Data API server Supported Source
IP Geolocation API server Supported Source
JWT Decoder API server Supported Source
Keyword Research API server Supported Source
Language Detector API server Supported Source
Markdown Renderer API server Supported Source
Markdown to HTML API server Supported Source
NFT Metadata API server Supported Source
OCR Text Extraction API server Supported Source
Password Strength Analyzer API server Supported Source
Person Enrichment API server Supported Source
PII Detector API server Supported Source
Prediction Markets API server Supported Source
QR Code Generator API server Supported Source
Research Report API server Supported Source
Screenshot & PDF Capture API server Supported Source
Sentiment Analyzer API server Supported Source
Social Profile Enrichment API server Supported Source
SSL Checker API server Supported Source
Stock Price API server Supported Source
Text Classifier API server Supported Source
Text to Speech API server Supported Source
Token Holders API server Supported Source
Token Price API server Supported Source
Trust Score API server Supported Source
Twitter Scraper API server Supported Source
User Agent Parser API server Supported Source
UUID Generator API server Supported Source
Vector Search API server Supported Source
Wallet Portfolio Tracker API server Supported Source
Web Scraper to Markdown API server Supported Source
Web Search API server Supported Source
Word Counter API server Supported Source
marketnow server Supported Source
homebutler server Supported Source
mcp-server-tauri server Supported Source
Tap server Supported Source
Google Workspace server Supported Source
WebCrypt MCP Server server Supported Source
Bitbucket MCP (MatanYemini) server Supported Source

How was this verified, and what are the sources?

Verified · method: spec-changelog · confidence 1.00 (High).

  1. Official specification page for the 2024-11-05 revision - defines the base protocol, features, and security principles - accessed