A fact-checked comparison of Hermes (hermes-agent) and OpenClaw — two rising open-source self-hosted AI agent harnesses. Platforms, skills, MCP, language, ecosystem.
Can a skill written for Hermes run on OpenClaw, and vice versa? Verified 2026-07-31: yes — both share the standard agent-skill format (SKILL.md) and pull from the same registries.
What changed recently in the two self-hosted agent harnesses — OpenClaw 2026.6.8 and Hermes' post-v2026.6.5 development.
The release focuses on long context, agents, and API migration.
The release expands open reasoning and agent workflows.
The experimental model is live with cheaper API access.
The update focuses on output stability and agent performance.
V3.1 adds hybrid modes, agents, and 128K context.
A new model unifies satellite-scale Earth data.
The R1 update improves capability while preserving API usage.