Architecture & Components

Deep dives into MCP architecture: clients, servers, hosts, transports, tools, resources, prompts, and how they work together.

Pillar Guide
20 min read
Composability in MCP: Building Hierarchical AI Systems

How MCP's composable architecture enables agents that are both clients and servers, creating powerful hierarchical AI systems.

MCP composability
hierarchical MCP
MCP multi-agent
Pillar Guide
20 min read
Local vs Remote MCP Servers: When to Use Each

Compare local (stdio) and remote (SSE/HTTP) MCP server deployments. Learn when to use each approach with practical examples and trade-offs.

local MCP server
remote MCP server
MCP stdio
Pillar Guide
24 min read
MCP Architecture Explained: Clients, Servers, Hosts & Transports

A comprehensive breakdown of the MCP architecture — how clients, servers, hosts, and transports work together to enable AI-tool communication.

MCP architecture
MCP clients servers
MCP hosts
Pillar Guide
22 min read
MCP Core Building Blocks: Tools, Resources & Prompts (With Diagrams)

Master the three pillars of MCP functionality — Tools (model-controlled functions), Resources (app-controlled data), and Prompts (user-controlled templates).

MCP tools
MCP resources
MCP prompts
Pillar Guide
24 min read
MCP Security Model: Authentication, Permissions & Best Practices

The complete guide to MCP security — OAuth 2.1 authentication, permission models, transport security, and securing your MCP deployments.

MCP security
MCP authentication
MCP OAuth

Explore MCP Servers

Browse our directory of MCP servers related to architecture & components.

Browse Server Directory