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 xmake-io/xmake-skills --skill xmake-harnessgit clone --depth 1 https://github.com/xmake-io/xmake-skillsWrote 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/xmake-io/xmake-skills/xmake-harness)<a href="https://agentmods.dev/skills/xmake-io/xmake-skills/xmake-harness"><img src="https://agentmods.dev/badge/skills/xmake-io/xmake-skills/xmake-harness/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/xmake-io/xmake-skills/xmake-harness"><img src="https://agentmods.dev/badge/skills/xmake-io/xmake-skills/xmake-harness.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Excessive Agency · line 30 Skill selects an external model or provider that may use a different account or billing plan than the operator expects. Undisclosed model switches can cause unexpected cost or quota consumption.Fix: Remove the model/provider override or disclose it prominently and require explicit operator approval before invoking an external coding CLI or billed model.
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 | $0.00080 | $0.00755 |
| Opus 5 | $0.00040 | $0.00378 |
| Sonnet 5 | $0.00016 | $0.00151 |
| Haiku 4.5 | $0.00008 | $0.00076 |
Grade A, and why
xmake-harness 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 11d 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 — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.
xmake-harness (xmake ai)
xmake-harness is an agent harness written
in xmake lua. As an addon it exposes xmake ai, a claude-code style terminal agent that
knows how to build the project it is sitting in.
Install
xmake addon --install xmake-harness
xmake ai --setup # interactive wizard: provider, api key, model
Or from the source:
xmake addon --install github:xmake-addons/xmake-harness
Configure a provider
xmake ai --config=providers.deepseek.apikey=sk-xxxxxx
xmake ai --apikey=sk-xxxxxx # api key of the current provider
xmake ai --provider=deepseek --model=deepseek-chat
xmake ai --smallmodel=deepseek-chat # used by the title/summary/light subagents
xmake ai --showconfig # the resolved configuration
xmake ai --doctor # check the environment
Run it
xmake ai # interactive tui
xmake ai "add a unit test for foo" # start with a prompt
xmake ai -c # continue the last session of this directory
xmake ai -c "and now add the tests"
xmake ai -r # pick a session to resume
xmake ai -r 6a86cfc5-bbda-14ce
xmake ai --new # force a new session
Non-interactive
For scripts, hooks and CI — it prints the result and exits:
xmake ai --print "what does this build produce?"
xmake ai --command=doctor # run one slash command and exit
xmake ai --command='model deepseek-reasoner'
Permissions and sandbox
xmake ai --mode=plan # read-only, it plans before touching anything
xmake ai --mode=acceptedits # auto-accept file edits, still asks for commands
xmake ai --mode=bypass # no prompts (use with care)
xmake ai --sandbox # confine the commands it runs
xmake ai --notools # chat only, no tools at all
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.
- 11d ago First seen · 85 lines · 80 tokens per session scan A 26f504cdb613
xmake-harness is a skill published in the GitHub repository xmake-io/xmake-skills (24 stars, last pushed 18d ago), licensed Apache-2.0. It adds 80 tokens to every session and 755 once invoked, about $0.0004 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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