●Change8

Migrating to Hermes Agent v2026.3.23

Version v2026.3.23 introduces 1 breaking change. This guide details how to update your code.

Released: 3/24/2026

1
Breaking Changes
1
Migration Steps
10
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

hermes mcphermes setup/approve/denyAIAgentAnthropic prompt cacheconfig.yamlcustom_models.yamlCLAUDE.mdprompt_toolkit

Breaking Changes

●Issue #1

The `/approve` and `/deny` commands have replaced bare text approval in gateway mode. Users must now use these explicit commands instead of simply typing 'approve' or 'deny'.

Migration Steps

  1. 1
    Replace bare text approval in gateway mode with explicit `/approve` and `/deny` commands.

Release Summary

The platform expansion release introduces an OpenAI-compatible API server, 6 new messaging adapters, 4 new inference providers, MCP server management with OAuth 2.1, @ context references, gateway prompt caching, and streaming enabled by default, alongside over 200 bug fixes.

Need More Details?

View the full release notes and all changes for Hermes Agent v2026.3.23.

View Full Changelog