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Install in OpenClaw
/install vwu-sihai
Description
Call and interact with vwu.ai Sihai models including sihai-i2v-31, sihai-image-27, sihai-t2v-29, and sihai-tts-25 with OpenAI-compatible API.
Usage Guidance
This skill appears to implement what it claims (calling vwu.ai models) but has a few issues to consider before installing:
- The package metadata claims no required env vars, but SKILL.md and the script require VWU_API_KEY (and may use VWU_BASE_URL). Expect to provide an API key.
- The bundled script prints the first 8 characters of your API key on certain API errors — while partial, that is an information leak you may prefer to avoid. Consider editing the script to remove that line before use.
- The script uses curl and jq and has a zsh shebang; ensure those binaries are present and that running a zsh script is acceptable in your environment.
- The skill's source and homepage are unknown; if you don't trust the owner, verify the script and confirm the vwu.ai endpoint before providing credentials.
Recommended actions: ask the publisher to update metadata to declare VWU_API_KEY as a required env var, remove printing of API key fragments, and document binary requirements (curl, jq). If you accept those caveats and trust vwu.ai, the skill is functionally appropriate; otherwise do not install or run without reviewing/modifying the script.
Capability Analysis
Type: OpenClaw Skill
Name: vwu-sihai
Version: 1.0.0
The skill bundle contains a shell script `vwu-chat.sh` that is vulnerable to command injection. The script expands the `$PROMPT` and `$MODEL` variables directly within a double-quoted string passed to the `curl` command, which allows for arbitrary command execution via command substitution (e.g., `$(cmd)`) if the input is not sanitized. While the script's stated purpose is to provide a legitimate interface for the vwu.ai API, the lack of input escaping in the shell script constitutes a significant security vulnerability.
Capability Assessment
Purpose & Capability
The skill's name and description (call vwu.ai Sihai models) match the included script and SKILL.md. However the registry metadata lists no required environment variables while SKILL.md and vwu-chat.sh clearly require VWU_API_KEY (and optionally VWU_BASE_URL). This mismatch is an incoherence between declared requirements and actual needs.
Instruction Scope
SKILL.md and the shell script only instruct the agent to call vwu.ai's API and print responses — no broad system access is requested. Caveats: the script prints the first 8 characters of VWU_API_KEY in some error cases (information leakage), and it expects jq and curl (and uses a zsh shebang) though no binaries are declared.
Install Mechanism
No install spec or remote downloads — this is an instruction-only skill with a bundled shell script. No external code is fetched at install-time, which limits supply-chain risk.
Credentials
The skill uses an API key (VWU_API_KEY) and a base URL; those are proportionate to the described purpose. However the skill metadata does not declare the required VWU_API_KEY, and the script reveals the first 8 characters of the key on quota errors. Also it assumes jq/curl availability without declaring them.
Persistence & Privilege
The skill is not always-enabled and does not request elevated or persistent system privileges. It doesn't modify other skills or system-wide settings.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install vwu-sihai - After installation, invoke the skill by name or use
/vwu-sihai - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
Initial release - Complete vwu.ai model collection
Metadata
Frequently Asked Questions
What is vwu.ai Sihai Models?
Call and interact with vwu.ai Sihai models including sihai-i2v-31, sihai-image-27, sihai-t2v-29, and sihai-tts-25 with OpenAI-compatible API. It is an AI Agent Skill for Claude Code / OpenClaw, with 270 downloads so far.
How do I install vwu.ai Sihai Models?
Run "/install vwu-sihai" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is vwu.ai Sihai Models free?
Yes, vwu.ai Sihai Models is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does vwu.ai Sihai Models support?
vwu.ai Sihai Models is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created vwu.ai Sihai Models?
It is built and maintained by a3273283 (@a3273283); the current version is v1.0.0.
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