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Hermes Wingtips #31: see what every message costs before you send it

posted 2026-07-26. original: https://x.com/witcheer/status/2081381590488568218

Hermes Wingtips #31: see what every message costs before you send it

hermes prompt-size

it prints the fixed budget of a fresh session: the full system prompt, the skills index, your MEMORY.md and USER.md snapshots, the prompt tiers, and the JSON schemas for every enabled tool.

if you want to manage it:

  • hermes tools turns off toolsets you never use
  • hermes skills uninstalls what you don't need
  • AGENTS.md in your working directory count towards the total too