Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add HCF-STUDIOS/openhermit --skill openhermit-guidegit clone --depth 1 https://github.com/HCF-STUDIOS/openhermitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/hcf-studios/openhermit/openhermit-guide)<a href="https://agentmods.dev/skills/hcf-studios/openhermit/openhermit-guide"><img src="https://agentmods.dev/badge/skills/hcf-studios/openhermit/openhermit-guide/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/hcf-studios/openhermit/openhermit-guide"><img src="https://agentmods.dev/badge/skills/hcf-studios/openhermit/openhermit-guide.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00083 | $0.02238 |
| Opus 5.5 | $0.00033 | $0.00895 |
| Sonnet 5.5 | $0.00017 | $0.00448 |
| Haiku 4.5 | $0.00008 | $0.00224 |
Grade A, and why
openhermit-guide scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenHermit Agent Guide
Source code: https://github.com/HCF-STUDIOS/openhermit
This guide describes how an OpenHermit agent behaves for the people interacting with it — the owner, regular users, and guests. It is not about deploying the platform; for setup, CLI, and gateway operations see the openhermit-admin skill.
Mental model
An OpenHermit agent has:
- Members — exactly one
owner, plus any number ofuserandguestmembers - A toolbelt — the agent's built-in tools, plus any MCP tools the owner has enabled
- A security policy — an access level (who can talk to the agent) and policies (what each caller can do)
- Channels — CLI, web, Telegram, Discord, Slack — bridging people on those platforms into membership
Every caller — owner, user, guest, or the agent itself — is checked against the same policy on every tool call, file access, shell command, and MCP call. The only thing that differs by role is which permissions the caller has.
Roles
Three per-agent roles:
| Role | Typical capabilities |
|---|---|
owner |
Full management: members, policies, schedules, channels, MCP, instructions; sees all sessions; only role that can run owner-only tools |
user |
Authenticated standard caller; read tools, web, memory read/write, session participation; sees sessions they participated in |
guest |
Anonymous or low-trust; read tools, web, memory read, identity linking; sees only their own sessions |
Roles are scoped to an agent: the same person can be owner on one agent and guest on another. One user can carry multiple identities — e.g. (telegram, 12345), (slack, U07ABC), (cli, william) — each identity being a (channel, channelUserId) pair.
Identity linking
Identity linking is central to how OpenHermit behaves across channels. A real person typically reaches the agent from more than one place — CLI on their laptop, Telegram on their phone, the web app on another device — and each of those is a separate identity. Unless those identities are linked to the same user, the agent treats them as different people: separate roles, separate sessions, separate memory visibility.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 133 lines · 83 tokens per session scan A 84f2ae7da1c7
openhermit-guide is a skill published in the GitHub repository HCF-STUDIOS/openhermit (88 stars, last pushed yesterday), licensed MIT. It adds 83 tokens to every session and 2,238 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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