# I Gave Three AI Agents One Shared Toolbox — Here’s What MCP Actually Fixes

> Source: <https://pub.towardsai.net/i-gave-three-ai-agents-one-shared-toolbox-heres-what-mcp-actually-fixes-d65595be78b6?source=rss----98111c9905da---4>
> Published: 2026-07-12 16:01:01+00:00

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# I Gave Three AI Agents One Shared Toolbox — Here’s What MCP Actually Fixes

## Building a working multi-agent research assistant with the Model Context Protocol — tested, running, and ready to fork

**Estimated reading time:** 16–19 minutes

## Table of Contents

- Introduction
- Problem Statement
- Background
- Core Concepts
- Technology Deep Dive
- Architecture
- Mini Project: A Multi-Agent Research Assistant
- Implementation
- Code Walkthrough
- Testing
- Performance
- Limitations
- Best Practices
- Common Mistakes
- Production Considerations
- Future Improvements
- Conclusion
- Further Reading
- Official References

## Introduction

Picture a new engineer joining a team that uses seven different tools: Slack, GitHub, a Postgres database, an internal ticketing system, a document store, a…