Hermes Agent Fixes

Concrete solutions to Hermes Agent errors, ranked by how often they hit.

• Fix: "hermes: command not found" after a successful install

  The installer finished but your shell can't find hermes. It's almost always ~/.local/bin missing from PATH. Here's how to confirm it and fix it for good.

  Updated Aug 5, 2026 · verified on v0.19.0

• Fix: Hermes Agent HTTP 400 on the first chat

  Setup worked but `hermes chat` fails with a 400. Nine times out of ten it is a model name your provider does not recognise. Prove it in one command.

  Updated Aug 5, 2026 · verified on v0.19.0