Timeline
2026-07-28 MCP spec released, removing sessions and initialize handshake
11 CVEs disclosed across 7,000+ MCP instances, highlighting STDIO transport security risks
MCP protocol spreading into Google Cloud, AWS Open Data, and Directus
MCP protocol backed by Anthropic, OpenAI, and Block under Linux Foundation
Crossed 13,000+ MCP servers in June
MCP ecosystem grows to over 13,000 servers as of late June 2026
New RAG paradigm with iterative retrieval at multiple reasoning steps achieves 15-20% accuracy gain on HotpotQA
Positioned as go-to technique for dynamic, fact-heavy applications with frequently changing information
Research exposed a critical vulnerability where just 5 poisoned documents can corrupt RAG systems.
Clarification article published explaining distinction between RAG and fine-tuning for LLM applications
Ecosystem
Model Context Protocol
Retrieval-Augmented Generation
Evidence (5 articles)
Add Semantic Search to Claude Code with pmem: A Local RAG That Cuts Token Costs 75%
Mar 26, 2026Knowledge-RAG v3.0: The Local RAG MCP Server That Finally Just Works
Mar 19, 2026Expose pgvector as an MCP Server: From Hardcoded RAG to Reusable Tool Server
Jun 27, 2026Stop Pasting Context: Add Persistent Memory to Claude Code with Bossa MCP
Mar 22, 2026A Practical Framework for Moving Enterprise RAG from POC to Production
Apr 22, 2026