Merge pull request #4126 from dial481/main

Add Penfield MCP (penfieldlabs/penfield-mcp)

README.md

@@ -1474,6 +1474,7 @@ Persistent memory storage using knowledge graph structures. Enables AI models to
 - [papersflow-ai/papersflow-mcp](https://github.com/papersflow-ai/papersflow-mcp) [![papers-flow MCP server](https://glama.ai/mcp/servers/papersflow-ai/papers-flow/badges/score.svg)](https://glama.ai/mcp/servers/papersflow-ai/papers-flow) 📇 ☁️ - Hosted MCP server by [PapersFlow](https://papersflow.ai) for academic research with 7 specialized AI agents and 474M+ papers from Semantic Scholar and OpenAlex. Literature search, citation verification, citation graph exploration, and autonomous deep research workflows.
 - [Pantheon-Security/notebooklm-mcp-secure](https://github.com/Pantheon-Security/notebooklm-mcp-secure) 📇 🏠 🍎 🪟 🐧 - Security-hardened NotebookLM MCP with post-quantum encryption (ML-KEM-768), GDPR/SOC2/CSSF compliance, and 14 security layers. Query Google's Gemini-grounded research from Claude and AI agents.
 - [pi22by7/In-Memoria](https://github.com/pi22by7/In-Memoria) 📇 🦀 🏠 🍎 🐧 🪟 - Persistent intelligence infrastructure for agentic development that gives AI coding assistants cumulative memory and pattern learning. Hybrid TypeScript/Rust implementation with local-first storage using SQLite + SurrealDB for semantic analysis and incremental codebase understanding.
+- [penfieldlabs/penfield-mcp](https://github.com/penfieldlabs/penfield-mcp) - [![penfield-mcp MCP server](https://glama.ai/mcp/servers/penfieldlabs/penfield-mcp/badges/score.svg)](https://glama.ai/mcp/servers/penfieldlabs/penfield-mcp) - 🐍 ☁️ - Penfield: persistent memory with hybrid search (BM25 + vector + graph), 24 relationship types for knowledge graphs, context checkpoints for cognitive handoff, artifact storage, and personality system. Works across Claude, Cursor, Windsurf, and any MCP client.
 - [pfillion42/memviz](https://github.com/pfillion42/memviz) 📇 🏠 🍎 🪟 🐧 - Visual explorer for [MCP Memory Service](https://github.com/doobidoo/mcp-memory-service) SQLite-vec databases. Browse, search, filter, edit memories with dashboard, timeline, UMAP projection, semantic clustering, duplicate detection, and association graph.
 - [pinecone-io/assistant-mcp](https://github.com/pinecone-io/assistant-mcp) 🎖️ 🦀 ☁️ - Connects to your Pinecone Assistant and gives the agent context from its knowledge engine.
 - [pomazanbohdan/memory-mcp-1file](https://github.com/pomazanbohdan/memory-mcp-1file) 🦀 🏠 🍎 🪟 🐧 - A self-contained Memory server with single-binary architecture (embedded DB & models, no dependencies). Provides persistent semantic and graph-based memory for AI agents.