A high-performance CLI tool for benchmarking AI prompt costs, token usage, and model performance across multiple providers.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install singleshot-prompt-testing
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install singleshot-prompt-testing using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Singleshot Prompt Testing & Optimization?
Singleshot is a specialized utility designed for developers to refine and validate AI prompts before production deployment. It provides granular metrics on token consumption, estimated costs, and response times, supporting major providers like OpenAI, Anthropic, and local models via Ollama. By integrating this tool into your Openclaw Skills development workflow, you can ensure your agent interactions are both cost-effective and performant.
The tool allows for rapid experimentation using single-shot chat commands or configuration files, making it an essential part of the modern AI development lifecycle. Whether you are aiming to reduce overhead or improve the accuracy of a system prompt, Singleshot provides the empirical data needed to make informed decisions.
Singleshot Prompt Testing & Optimization Use Cases
- Testing new prompts before implementing them within Openclaw Skills.
- Benchmarking token efficiency across different model variations.
- Comparing model performance and costs between OpenAI, Anthropic, and OpenRouter.
- Validating prompt outputs and system instructions before production releases.
- Running local prompt tests using Ollama to save on API costs.
How Singleshot Prompt Testing & Optimization Works
- Install the CLI tool via Homebrew or Cargo to begin testing.
- Set up environment variables for your chosen AI providers to authenticate sessions.
- Run the chat command with the -d (detail) and -r (report) flags to generate baseline metrics for your prompt.
- Analyze the generated Markdown report to inspect specific token usage and estimated costs.
- Iterate on the prompt or system instructions and run a comparative test to see improvements.
- Use terminal utilities like diff or grep to evaluate the efficiency gains between different versions of your configuration.
Singleshot Prompt Testing & Optimization Setup
# Install via Homebrew
brew tap vincentzhangz/singleshot
brew install singleshot
# Or install via Cargo
cargo install singleshot
# Configure environment variables for authentication
export OPENAI_API_KEY="sk-..."
export ANTHROPIC_API_KEY="sk-ant-..."
Singleshot Prompt Testing & Optimization Data Schema & Taxonomy
The skill generates detailed Markdown reports structured to facilitate easy parsing and comparison of Openclaw Skills performance.
| Section | Description |
|---|---|
| Token Usage | Breaks down Input, Output, and Total tokens for the session. |
| Cost (Estimated) | Calculates estimated USD cost based on current provider pricing. |
| Timing | Captures Time to First Token (TTFT) and Total response time. |
| Config Files | Supports .md files with structured headers for provider and model settings. |
Singleshot Prompt Testing & Optimization Advanced Features
- Multi-provider support including OpenAI, Anthropic, OpenRouter, and local Ollama instances.
- Batch testing capabilities via shell scripting for large-scale prompt variations.
- Vision testing support for analyzing image-based prompts and multi-modal models.
- Configuration-driven testing using Markdown files for reproducible benchmarks.
- Real-time connection testing with the ping command to verify API availability and latency.
SKILL.md
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