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 agentmods add skills/nousresearch/hermes-agent/openhandsnpx skills add NousResearch/hermes-agent --skill openhandsgit clone --depth 1 https://github.com/NousResearch/hermes-agentWhat 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 | $0.00019 | $0.02312 |
| Opus 5 | $0.00010 | $0.01156 |
| Sonnet 5 | $0.00004 | $0.00462 |
| Haiku 4.5 | $0.00002 | $0.00231 |
Grade A, and why
openhands 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 yesterday.
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.
Copies of this mod
6 near-identical copies found in the catalogue:
How it starts
The opening of the file, as written. The whole thing — 150 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenHands CLI
Delegate coding tasks to the OpenHands CLI via the terminal tool. OpenHands is model-agnostic: any LiteLLM-supported provider (OpenAI, Anthropic, OpenRouter, DeepSeek, Ollama, vLLM, etc.).
This skill is the headless-mode wrapper for batch / one-shot delegation. The interactive textual UI is not used from Hermes.
When to Use
- User wants a coding task delegated to OpenHands specifically.
- User wants a coding agent that can run on a non-Anthropic / non-OpenAI provider (DeepSeek, Qwen, Ollama, vLLM, Nous, etc.) — sibling skills
claude-codeandcodexare tied to one vendor. - Multi-step file edits + shell commands inside a workspace.
For Claude-native, prefer claude-code. For OpenAI-native, prefer codex. For Hermes-native subagents, use delegate_task.
Prerequisites
-
Install upstream (requires Python 3.12+ and
uv):terminal(command="uv tool install openhands --python 3.12")Verify:
openhands --version(currentlyOpenHands CLI 1.16.0/SDK v1.21.0at time of writing). -
Pick a model and set env vars for
--override-with-envs:export LLM_MODEL=openrouter/openai/gpt-4o-mini # or any LiteLLM slug export LLM_API_KEY=$OPENROUTER_API_KEY export LLM_BASE_URL=https://openrouter.ai/api/v1 # omit for native OpenAILLM_MODELuses LiteLLM's full slug. When the provider is OpenRouter the slug is doubly-prefixed:openrouter/<vendor>/<model>(e.g.openrouter/anthropic/claude-sonnet-4.5). For native Anthropic:anthropic/claude-sonnet-4-5. For native OpenAI:openai/gpt-4o-mini. -
Suppress the startup banner so JSON output isn't preceded by ASCII art:
export OPENHANDS_SUPPRESS_BANNER=1
How to Run
Always invoke through the terminal tool. Always pass --headless --json --override-with-envs --exit-without-confirmation for automation.
One-shot task
terminal(
command="OPENHANDS_SUPPRESS_BANNER=1 LLM_MODEL=openrouter/openai/gpt-4o-mini LLM_API_KEY=$OPENROUTER_API_KEY LLM_BASE_URL=https://openrouter.ai/api/v1 openhands --headless --json --override-with-envs --exit-without-confirmation -t 'Add error handling to all API calls in src/'",
workdir="/path/to/project",
timeout=600
)
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.
- yesterday First seen · 150 lines · 19 tokens per session scan A ff4f504c5cd1
openhands is a skill published in the GitHub repository NousResearch/hermes-agent (238,457 stars, last pushed yesterday), licensed MIT. It adds 19 tokens to every session and 2,312 once invoked, about $0.0001 per session on Opus 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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