MCP Architecture: Hosts, Clients, Servers, Tools, and Resources
A component-by-component guide to MCP architecture, including host and client responsibilities, server primitives, transports, and trust boundaries.
A component-by-component guide to MCP architecture, including host and client responsibilities, server primitives, transports, and trust boundaries.
A practical workflow for inspecting, testing, and debugging MCP servers from protocol exchange to downstream side effects.
A practical threat model for MCP hosts, clients, servers, tools, credentials, model context, and downstream systems.
A practical permission model for controlling which MCP tools users and agents can discover, call, and approve.
A defensive guide to prompt injection, tool poisoning, confused-deputy risks, and data exfiltration in MCP systems.
A production deployment guide for remote MCP servers covering network boundaries, identity, scaling, observability, and rollback.
A reliability guide to MCP errors, deadlines, retries, cancellation, progress, idempotency, ambiguous writes, and observable recovery.
Practical MCP tool-design guidance covering names, descriptions, JSON Schema, structured results, errors, permissions, and testing.
A production-focused guide to authenticating MCP clients and authorizing users, tools, resources, tenants, and downstream actions.
An implementation guide to MCP client connection management, tool discovery, model mapping, routing, result handling, and observability.