The LLM cost proxy dashboard: daily token bars and a per-model cost table.

Metering what my Hermes agent spends

My agent, Hermes, talks to me on a Matrix server I run myself. Self-hosting the chat window was a privacy decision before it was anything else, and that setup is a post for another day. What matters here: an agent that chats all day needs a meter. So every LLM call it makes goes through a proxy I wrote — and “wrote” deserves an asterisk, because I’m a lawyer. An LLM helps me code things out; I mostly argue with it until it works. One SQLite file tells me what it spent today. ...

September 20, 2026 · 2 min · Romit Raj