Agent discovery is token-expensive

6/10 Medium

MCP servers enumerate all tools and descriptions on first contact, consuming significant tokens during agent discovery. This makes it costly for agents to learn what tools are available compared to human developers.

MCP
Category
architecture
Workaround
none
Stage
onboarding
Freshness
persistent
Scope
framework
Recurring
Yes
Buyer Type
team

Sources

Collection History

Query: “What are the most common pain points with FastMCP for developers in 2025?”4/8/2026

It enumerates every single tool and every single description on that server. So discovery is actually really expensive for agents. It consumes a lot of tokens.

Created: 4/8/2026Updated: 4/8/2026