Hermes Agent v0.5.0 Launches With Hugging Face Support, Major Security Fixes, and 50+ Bug Patches
Summary
Hermes Agent v0.5.0 launches today with Hugging Face integration, Telegram Private Chat Topics, a native Modal SDK backend, major security hardening including supply chain fixes and SSRF protections, GPT tool-use enforcement, and over 50 bug patches.
Key Points
- Hermes Agent v0.5.0 is now live as of March 28, 2026, introducing Hugging Face as a first-class inference provider, Telegram Private Chat Topics for project-based workflows, and a native Modal SDK backend that eliminates the need for tunnels.
- The release delivers major reliability and security improvements, including supply chain hardening with the removal of compromised dependencies, pinned version ranges with hash-verified lockfiles, SSRF protections, GPT tool-use enforcement to prevent models from describing actions instead of calling tools, and over 50 bug fixes.
- New features also include a Nix flake with full NixOS module support, plugin lifecycle hooks now firing across the agent loop, per-model Anthropic output limits replacing a hardcoded 16K cap, and expanded Nous Portal access to 400+ models through a single provider endpoint.