Verified65% confidenceFactTime unknown
Taking GPT-4o as an example, the JSON Schema description of each tool consumes an average of 200–500 tokens, and when the system integrates 50 tools, the tool description section alone consumes 10,000 to 25,000 tokens.
3
Sources
65%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedThe JSON Schema description of each tool ranges from tens to hundreds of tokens, and when the number of tools exceeds 30–50, the tool definitions themselves may consume thousands of tokens of context.78% similarUnverifiedIn a real request of the Hermes Agent system, the total prompt was about 18,400 tokens, of which 13,541 (74%) were the JSON Schema of 27 enabled tools.72% similarUnverifiedThe complete definitions of 200 tools of medium complexity average about 30,000-80,000 Tokens.67% similarUnverifiedA single detailed tool description may consume hundreds of tokens, and ten tools can easily exceed a fixed overhead of one thousand tokens.65% similarUnverifiedOf the 55 MCP servers, 18 had at least one pair of nearly identical tool descriptions, totaling 129 pairs, with Notion (57 pairs among 24 tools) and Paper Search (29 pairs among 25 tools) contributing the vast majority of the duplication.64% similar
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