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Unified LLM API, structured data outputs with LLMs, and agent SDK - in PHP
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- 27
- Last pushed
- Updated Oct 2026
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Instructor for PHP
A PHP monorepo that adds typed decision APIs on top of structured output, unified inference, retrieval and an agent SDK: the Polyglot Decision API can call the TypeSafe provider and return probabilities for noul questions, alongside OpenAI, Anthropic, Gemini and Ollama drivers.
- Stars
- 328
- Language
- PHP
- License
- MIT
- Reading time
- 2 min
- Published by
- Community
- Author
- cognesy
- Last verified
- Oct 2026
Used inJev for Software & DevTools
- Languages
- PHP
- Capabilities
- Open sourceRequires API key
Highlights
- Monorepo of four pieces: Instructor for structured output, Polyglot for unified inference, Retrieval for RAG context, and an Agent SDK.
- Polyglot's Decision API takes typed yes/no, choice and score questions and can run them on the TypeSafe provider to get probabilities.
- Drivers cover OpenAI, Anthropic, Gemini, Ollama and TypeSafe out of the box, and you can write your own.
- First-party Laravel integration package plus a Symfony package being introduced under packages/symfony.
- Install with composer require cognesy/instructor-php; MIT licensed.
Quickstart
bash
composer require cognesy/instructor-phpWatch out
Copy reviewed against the repo README on 2026-10-15; the README lists features and code samples but no benchmarks or pricing, and it describes the Symfony package as still being introduced. Calling hosted providers including TypeSafe needs your own API keys.
Questions about this entry
Short answers drawn from the linked project or page.
Four capabilities: Instructor for structured data extraction, Polyglot for unified inference with synchronous and batch calls, embeddings and typed decision APIs, Retrieval for vector storage and RAG context, and an Agent SDK with tools, hooks, subagents and session management.
Through the Polyglot Decision API: the README's code sample uses Decision::using('typesafe') with a noul question like whether the customer requested a refund, then reads the probability from the answer. The decisions example lives under examples/B06_Decisions.
The README names OpenAI, Anthropic, Gemini, Ollama and TypeSafe, and says you can write your own driver. Switching providers is meant to be a change of driver name without rewriting request code.
Yes. There is a first-party Laravel package for facades, HTTP transport, native agents, telemetry, logging and testing, and a Symfony package under packages/symfony that the README describes as currently being introduced.
Yes, batch inference is in Early Access: you submit requests to provider-native asynchronous batch APIs, persist a reference, then retrieve status and results later. Cancellation and job listing are supported where the provider allows.
For hosted providers, yes — you supply keys such as a TypeSafe key for decision calls. The library itself is MIT licensed and free to install with composer require cognesy/instructor-php.
Yes. The Retrieval package handles vector storage, document indexing and bounded evidence context, with replaceable in-memory, Qdrant or Pgvector stores, and embeddings are generated through the same Polyglot provider layer.
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