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13198
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Install in OpenClaw
/install best-image-generation
Description
Best quality AI image generation (~$0.12-0.20/image). Text-to-image, image-to-image, and image editing via the EvoLink API.
Usage Guidance
Install only if you are comfortable sending prompts, reference image URLs, and your EvoLink API key to EvoLink. Prefer the Python or PowerShell path over the bash heredoc example, avoid prompts or filenames containing shell syntax, and do not use sensitive/internal image URLs unless you trust the service and the runtime environment.
Capability Analysis
Type: OpenClaw Skill
Name: best-image-generation
Version: 1.0.2
The skill is designed for image generation via the EvoLink API. It explicitly addresses a critical security concern regarding shell injection through output filenames in `SKILL.md` and provides robust sanitization implementations in `references/curl_heredoc.md`, `references/powershell.md`, and `references/python.md`. All network communications are directed to the stated `https://api.evolink.ai` domain, and there is no evidence of data exfiltration, unauthorized execution, persistence, or prompt injection against the agent. The code is transparent and aligns with its stated purpose, demonstrating responsible security practices.
Capability Assessment
Credentials
Network use and local image output are expected for remote image generation, but the Python and PowerShell examples trust the API-returned result URL and download it without scheme, host, private-network, redirect, size, or content-type validation.
Install Mechanism
The package appears to be markdown instructions and reference implementations only; there are no install hooks, executable bundled scripts, dependency installers, or startup modifications in the inspected artifacts.
Instruction Scope
The skill documents immediate generation from trigger text and clearly identifies the external API, but it does not require a confirmation before sending prompts or image URLs, and the curl/bash placeholder-substitution instructions are unsafe for untrusted prompt text.
Persistence & Privilege
The skill requires an EVOLINK_API_KEY and saves generated images locally, with the SKILL.md noting that local files persist. I found no system persistence, privilege escalation, scheduled tasks, or memory modification.
Purpose & Capability
The core purpose is coherent: it sends prompts and optional image URLs to the EvoLink image API, polls for a task result, downloads the generated image, and emits MEDIA for attachment. However, the bash reference places user-controlled prompt and other values directly into shell assignments, which can enable local command execution if shell syntax is included in substituted values.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install best-image-generation - After installation, invoke the skill by name or use
/best-image-generation - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.2
Security fix
v1.0.1
Fix shell injection risk in curl reference — added json_escape for safe prompt handling
v1.0.0
Initial release — text-to-image, image-to-image, editing via EvoLink Nano Banana Pro (~$0.12-0.20/image), zero dependencies, cross-platform (Python/PowerShell/curl)
Metadata
Frequently Asked Questions
What is Best Image Generation?
Best quality AI image generation (~$0.12-0.20/image). Text-to-image, image-to-image, and image editing via the EvoLink API. It is an AI Agent Skill for Claude Code / OpenClaw, with 13198 downloads so far.
How do I install Best Image Generation?
Run "/install best-image-generation" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Best Image Generation free?
Yes, Best Image Generation is completely free (open-source). You can download, install and use it at no cost.
Which platforms does Best Image Generation support?
Best Image Generation is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Best Image Generation?
It is built and maintained by EvolinkAI (@evolinkai); the current version is v1.0.2.
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