How to Build a Personal Context Portfolio and MCP Server
April 3, 2026
AI Summary
5 min readIn the agentic era of AI, agents require rich context to perform effectively, yet individuals repeatedly explain their roles, projects, and preferences to new tools, wasting time and reducing output quality. This episode outlines building a personal context portfolio—a modular set of markdown files that serves as a portable "operating manual" for any AI—and optionally hosting it as an MCP server for seamless access.
The repetition tax on personal context
Switching AI tools, like from ChatGPT to Claude amid recent events such as the Pentagon's Anthropic designation and OpenAI's DoD deal, highlights context lock-in. Users must re-explain details like roles, projects, team dynamics, and communication preferences, which becomes untenable with multiple agents. This "context repetition tax" not only consumes time but degrades quality, as incomplete context leads to suboptimal results. Enterprise parallels exist—Michael Chen of Applied Compute notes most data isn't AI-ready—but the focus here is individual portability, unlike tools like Notion's database agents or ContextHub for agent-tool context.
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What you'll learn
- 1 (00:00) **Intro to Personal Context Portfolio and MCP Server**
- 2 (01:05) **Enterprise Context Challenges**
- 3 (02:40) **Enterprise Context Solutions**
- 4 (03:44) **Personal Context Portability Crisis**
- 5 (05:05) **Introducing the Personal Context Portfolio**
- 6 (06:50) **Design Principles**
- 7 (08:17) **The 10 Core Files**
+ Full timestamped outline available in the app
Show Notes
In today's Build episode, we tackle one of the most underappreciated friction points in the agentic era — the fact that every new agent, project, or tool requires you to re-explain yourself from scratch. We walk through how to create a personal context portfolio, a structured set of markdown files that acts as an operating manual for any AI you work with, and then how to deploy it as an MCP server so every agent can access it.
Use our app to get interviewed and build your personal context portfolio files: https://www.contextportfolio.ai/
DIY personal context portfolio templates: https://github.com/nlwhittemore/personal-context-portfolio
Brought to you by:
KPMG – Agentic AI is powering a potential $3 trillion productivity shift, and KPMG’s new paper, Agentic AI Untangled, gives leaders a clear framework to decide whether to build, buy, or borrow—download it at www.kpmg.us/Navigate
Mercury - Modern banking for business and now personal accounts. Learn more at https://mercury.com/personal-banking
Recall - The API for meeting recording. Get Get started today with $100 in free credits at https://www.recall.ai/aidb
AIUC-1 - Get your agents certified to communicate trust to enterprise buyers - https://www.aiuc-1.com/
Blitzy - Want to accelerate enterprise software development velocity by 5x? https://blitzy.com/
AssemblyAI - The best way to build Voice AI apps - https://www.assemblyai.com/brief
Robots & Pencils - Cloud-native AI solutions that power results https://robotsandpencils.com/
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