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/zli12321/lhtb/create-tasknpx skills add zli12321/LHTB --skill create-taskgit clone --depth 1 https://github.com/zli12321/LHTBWhat 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 | $0.00056 | $0.03448 |
| Opus 5 | $0.00028 | $0.01724 |
| Sonnet 5 | $0.00011 | $0.00690 |
| Haiku 4.5 | $0.00006 | $0.00345 |
Grade F, and why
create-task scanned grade F with 4 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 2d 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.
Reaches for credential fileshighPrivilege escalation
SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.
Generate an SSH key pair in the files `~/.ssh/id_rsa` and `~/.ssh/id_rsa.pub`. Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
apt-get update && apt-get install -y curl curl -LsSf https://astral.sh/uv/0.9.7/install.sh | sh Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
RUN apt-get update && apt-get install -y openssh-client && rm -rf /var/lib/apt/lists/* Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
apt-get update && apt-get install -y curl This is a copy
88% identical to create-task — 105 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 399 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Guide the user through creating a new Harbor task end-to-end. Don't just dump commands — walk them through each decision, especially around the verifier (which is usually the hardest part).
Step 1: Scaffold the task
harbor task init "<org>/<task-name>"
Useful flags:
--description "..."--author "Jane Doe <[email protected]>"(repeat for multiple authors)--no-pytest— skip the pytest test template (use if planning Reward Kit or custom verifier)--no-solution— skip solution/ directory--metadata-template path.toml— pre-populate task.toml
Produces:
<task-name>/
├── instruction.md # Task prompt for the agent
├── task.toml # Config and metadata
├── environment/Dockerfile # Container definition
├── solution/solve.sh # Reference solution (optional)
└── tests/test.sh # Verifier script
If the user wants a multi-step task (ordered steps with per-step
instructions, tests, and early stopping against a shared container), scaffold
the single-step layout first, then convert to the steps/ layout described in
the Multi-step tasks section below.
Step 2: Write instruction.md
This is the prompt the agent receives. Help the user write it clearly:
- State the goal concretely — what file to create, what behavior to produce
- Specify expected outputs — paths, formats, content
- Include constraints — language, tools, approach
- Don't leak the tests — describe what "done" looks like, not how you'll check it
Example (from the ssh-key-pair tutorial):
# SSH Key Pair Generation
Generate an SSH key pair in the files `~/.ssh/id_rsa` and `~/.ssh/id_rsa.pub`.
Don't make them password protected.
Step 3: Build the environment
Edit environment/Dockerfile to install dependencies the task needs. The agent works
inside this container.
FROM ubuntu:24.04
WORKDIR /app
# Install what the task requires — NOT the solution
RUN apt-get update && apt-get install -y openssh-client && rm -rf /var/lib/apt/lists/*
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.
- 2d ago First seen · 399 lines · 56 tokens per session scan F a6b488aa3bcd
create-task is a skill published in the GitHub repository zli12321/LHTB (695 stars, last pushed 5d ago), licensed Apache-2.0. It adds 56 tokens to every session and 3,448 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it F with 4 findings (reaches for credential files, downloads and executes remote code, recursive force delete). It is 88% identical to create-task, differing in 105 lines, and is treated as a copy.
Other skills, from other repositories
rewardkit
Write Harbor task verifiers using Reward Kit. Use when creating or editing a task's tests/ directory, adding grading criteria, setting up LLM/agent judges, or designing verifiers that produce a reward score.
create-adapter
Scaffold a new Harbor benchmark adapter by running harbor adapter init and then guide implementation using the Adapters Agent Guide as the authoritative spec.
upload-parity-experiments
Create or reuse Hugging Face dataset PRs for harborframework/parity-experiments and upload Harbor parity/oracle result folders efficiently with sparse checkout, raw git pushes, and Git LFS.
harbor-exec
Use when working with Harbor's harbor exec CLI workflow: compiling files, directories, or globs into Harbor tasks; running map jobs; configuring artifacts and existence-only verification; using map-reduce; writing or reviewing ExecConfig YAML/JSON/TOML; or debugging command behavior, config validation, and job outputs.
publish
Publish a Harbor task or dataset to the registry. Use when the user wants to upload, publish, or share tasks or datasets/benchmarks on the Harbor registry.
generate-greeting
Generate a greeting message and write it to a file.