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Sysone
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About Sysone
Sysone is a small TypeScript library that implements TypeSafe’s Jev evaluation model. It allows developers to send text inputs and questions to a model, which returns a decision and probability score. The library is designed for lightweight, server-side use in TypeScript applications. Typical workflows involve checking whether a message needs a reply, routing requests, or evaluating answers against their sources. The tool relies on Vercel’s AI Gateway for inference and requires an API key for server-side deployment. Inputs are processed without persistent storage, but provider retention policies apply.
Key features
- Text evaluation with probability scoring
- Decision threshold customization
- TypeScript integration
- Vercel AI Gateway provider support
- Server-side API key configuration
- Public playground for testing
- Open-source licensing
- No persistent storage of inputs or results
Use cases
- Determining if a message requires a reply
- Routing agent requests based on urgency
- Evaluating answers against source material
Pros
- Tiny library size (3.9 kB gzip)
- Zero runtime dependencies
- Open-source under MIT license
- No account or API key required for public playground
- Runs on Vercel AI Gateway
Cons
- Limited to 6,000 input characters per request
- Single question per evaluation
- Rate-limited to 20 requests per minute per IP
- Requires server-side API key for non-playground use
Frequently asked questions about Sysone
What is Sysone and what does it do?
Sysone is a lightweight TypeScript library that implements TypeSafe’s Jev evaluation model. It processes text inputs and questions to return a decision and probability score, enabling tasks like determining if a message requires a reply, routing requests, or evaluating answers against their sources.
Who should use Sysone?
Sysone is designed for developers building TypeScript applications who need server-side evaluation of text inputs. It suits use cases such as automated message routing, reply prioritization, or answer validation in AI-driven workflows.
How does Sysone work?
Sysone sends text inputs and questions to the Jev model via Vercel’s AI Gateway. The model returns a decision (e.g., 'yes', 'no', or 'uncertain') and a probability score based on the input and provided question. Developers integrate it by installing the library and setting an API key.
Does Sysone require an API key?
Yes, Sysone requires an API key for server-side deployment, which is used to access Vercel’s AI Gateway for inference. The key is set as an environment variable (e.g., AI_GATEWAY_API_KEY) on the server.
What are the limitations of Sysone?
Sysone has input limits, including a maximum of 6,000 characters per request, one question per input, and a rate limit of 20 requests per minute per IP. Inputs and results are not persisted, but provider retention policies may apply.
How can I get started with Sysone?
To get started, install the Sysone library via npm, configure the provider (e.g., Vercel), set the API key in your server environment, and use the `createSysone` function to initialize the model. Example code and documentation are available on the Sysone website.
