MCP 101
MCP Server Registry and Discovery Mechanics
A centralized registry replaces ad hoc discovery with verified namespaces and standardized metadata.
Greta Wexler
Senior Writer · · 10 min read
A centralized registry replaces ad hoc discovery with verified namespaces and standardized metadata.
MCP's authorization evolved from each server issuing tokens to a cleaner three-role model.
MCP collapses the integration problem that APIs solve separately for every tool.
Familiar API attacks now spread faster through autonomous agents calling MCP tools.
Understanding your MCP server's spec version determines your actual security posture.
MCP shifted from local auth to delegated OAuth, changing where security responsibility lives.
Anthropic's protocol eliminates the need for custom connectors between AI apps and tools.
MCP's rapid adoption shows how standardized coordination unlocks multi-agent systems at scale.