Multi-Server MCP Architecture: Routing, Isolation, and Control
An architecture guide for coordinating multiple MCP servers without creating tool collisions, permission sprawl, or shared failure domains.
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MCP Roots and Filesystem Boundaries Explained
A security-focused guide to MCP roots, file URI validation, workspace boundaries, user consent, symlinks, and modern alternatives.
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MCP Sampling Explained: Model Calls Requested by Servers
A practical explanation of MCP sampling, including message flow, model preferences, tool use, approvals, security, and current design status.
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MCP Logging and Completion Utilities
A practical reference to MCP logging notifications and completion suggestions, including current status, security, and implementation boundaries.
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MCP Elicitation: Requesting User Input Safely
A practical guide to requesting missing user input during MCP operations without confusing conversation, consent, or credentials.
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What Is MCP? A Practical Guide for AI Agent Builders
A practical, beginner-friendly guide to the Model Context Protocol: its host-client-server architecture, tools and resources, request flow, trade-offs, and security boundaries.
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MCP vs Function Calling: What Actually Changes?
A practical comparison of MCP and model function calling, including their boundaries, request flow, portability, security, and combined architecture.
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How MCP Works: From User Request to Tool Result
Trace an MCP interaction from server discovery through model tool selection, host authorization, execution, and the final answer.
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Testing and Debugging MCP Servers
A practical workflow for inspecting, testing, and debugging MCP servers from protocol exchange to downstream side effects.
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MCP Security Threat Model for Production Systems
A practical threat model for MCP hosts, clients, servers, tools, credentials, model context, and downstream systems.
