{"id":44569905,"url":"https://github.com/carmelosantana/php-agents","last_synced_at":"2026-04-22T01:08:27.507Z","repository":{"id":338110123,"uuid":"1156625948","full_name":"carmelosantana/php-agents","owner":"carmelosantana","description":"PHP 8.4+ AI agent 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returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-02-14T02:04:59.846Z","updated_at":"2026-04-22T01:08:27.488Z","avatar_url":"https://github.com/carmelosantana.png","language":"PHP","funding_links":[],"categories":["LLMs \u0026 AI APIs"],"sub_categories":["Recommended core stack"],"readme":"# php-agents\n\n\u003cp align=\"center\"\u003e\n  \u003ca href=\"https://github.com/carmelosantana/php-agents/actions/workflows/ci.yml?branch=main\"\u003e\u003cimg src=\"https://img.shields.io/github/actions/workflow/status/carmelosantana/php-agents/ci.yml?branch=main\u0026style=for-the-badge\" alt=\"CI status\"\u003e\u003c/a\u003e\n  \u003ca href=\"https://github.com/carmelosantana/php-agents/releases\"\u003e\u003cimg src=\"https://img.shields.io/github/v/release/carmelosantana/php-agents?include_prereleases\u0026style=for-the-badge\" alt=\"GitHub release\"\u003e\u003c/a\u003e\n  \u003ca href=\"https://www.php.net/\"\u003e\u003cimg src=\"https://img.shields.io/badge/PHP-8.4%2B-777BB4?style=for-the-badge\u0026logo=php\u0026logoColor=white\" alt=\"PHP 8.4+\"\u003e\u003c/a\u003e\n  \u003ca href=\"https://discord.gg/Vc29xdvGAH\"\u003e\u003cimg src=\"https://img.shields.io/discord/1471632654624489668?label=Discord\u0026logo=discord\u0026logoColor=white\u0026color=5865F2\u0026style=for-the-badge\" alt=\"Discord\"\u003e\u003c/a\u003e\n  \u003ca href=\"LICENSE\"\u003e\u003cimg src=\"https://img.shields.io/badge/License-MIT-blue?style=for-the-badge\" alt=\"MIT License\"\u003e\u003c/a\u003e\n\u003c/p\u003e\n\nPHP 8.4+ framework for building AI agents with tool-use loops, provider abstraction, and composable toolkits.\n\nBuild agents that reason, use tools, and iterate autonomously — powered by any OpenAI-compatible API, Anthropic, or local models via Ollama. You provide the toolkits; php-agents provides the agent loop.\n\n```mermaid\ngraph LR\n    APP[Your App] --\u003e AGENT[Agent]\n    AGENT --\u003e PROVIDER[Provider\u003cbr/\u003eOpenAI / Anthropic / Ollama]\n    AGENT --\u003e TOOLS[Tools \u0026 Toolkits\u003cbr/\u003eCustom Toolkits]\n    AGENT --\u003e OBSERVER[Observers\u003cbr/\u003eLogging / Streaming / Metrics]\n    PROVIDER --\u003e LLM[LLM]\n    LLM --\u003e|tool calls| AGENT\n    TOOLS --\u003e|results| AGENT\n```\n\n## Features\n\n- **Agentic tool-use loop** — automatic iteration: the LLM calls tools, processes results, and decides when it's done\n- **Multi-provider** — Ollama (local), OpenAI, Anthropic, Gemini, xAI, Mistral, OpenRouter, or any OpenAI-compatible endpoint\n- **Streaming + tool calls** — all providers support streaming with assembled tool call deltas\n- **Structured output** — extract typed data from LLMs via JSON mode (OpenAI) or tool-use trick (Anthropic)\n- **Image input** — send images to vision models via base64, URL, or file path (auto-converts between provider formats; URLs pre-downloaded for providers that don't support them natively)\n- **Composable toolkits** — implement `ToolkitInterface` to give agents any capability; no built-in toolkit implementations\n- **Context window management** — automatic conversation pruning when approaching token limits\n- **Observer pattern** — attach `SplObserver` to watch agent lifecycle events in real time\n- **Embedding \u0026 vector stores** — `EmbeddingProviderInterface` and `VectorStoreInterface` for semantic search\n- **OpenClaw config** — centralized model routing with aliases, fallbacks, and per-provider settings\n- **PSR-3 logging** — optional `LoggerInterface` on all providers for diagnostic visibility\n- **Zero framework coupling** — depends only on `symfony/http-client` and `psr/log`\n\n## Provider Feature Matrix\n\n| Feature                | OpenAI Compatible | OpenAI Responses | Ollama | Anthropic | Gemini |  xAI  | Mistral |\n| ---------------------- | :---------------: | :--------------: | :----: | :-------: | :----: | :---: | :-----: |\n| `chat()`               |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| `stream()`             |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| `structured()`         |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| Tool calling           |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| Streaming + tool calls |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| Image input (base64)   |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| Image input (URL)      |         ✅         |        ✅         |   ✅    |     ✅     |   *    |   ✅   |    ✅    |\n| `models()` list        |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n| `isAvailable()`        |         ✅         |        ✅         |   ✅    |     ✅     |   ✅    |   ✅   |    ✅    |\n\n*\\* Gemini does not natively support URL image references. The provider auto-downloads URL images and converts them to base64 `inlineData`.*\n\n## Requirements\n\n- PHP 8.4 or later\n- Extensions: `curl`, `json`, `mbstring`\n- Composer 2.x\n- [Ollama](https://ollama.ai) (recommended for local inference)\n\n## Installation\n\n```bash\ncomposer require carmelosantana/php-agents\n```\n\n## Quick Start\n\nCreate an agent with a custom tool:\n\n```php\n\u003c?php\n\ndeclare(strict_types=1);\n\nrequire 'vendor/autoload.php';\n\nuse CarmeloSantana\\PHPAgents\\Agent\\AbstractAgent;\nuse CarmeloSantana\\PHPAgents\\Provider\\OllamaProvider;\nuse CarmeloSantana\\PHPAgents\\Message\\UserMessage;\nuse CarmeloSantana\\PHPAgents\\Tool\\Tool;\nuse CarmeloSantana\\PHPAgents\\Tool\\ToolResult;\nuse CarmeloSantana\\PHPAgents\\Tool\\Parameter\\NumberParameter;\n\n$agent = new class(provider: new OllamaProvider(model: 'llama3.2')) extends AbstractAgent {\n    public function instructions(): string\n    {\n        return 'You are a calculator. Use tools to answer math questions.';\n    }\n\n    public function name(): string\n    {\n        return 'Calculator';\n    }\n};\n\n$agent-\u003eaddTool(new Tool(\n    name: 'add',\n    description: 'Add two numbers',\n    parameters: [\n        new NumberParameter('a', 'First number', required: true),\n        new NumberParameter('b', 'Second number', required: true),\n    ],\n    callback: fn(array $args): ToolResult =\u003e ToolResult::success(\n        (string) ($args['a'] + $args['b']),\n    ),\n));\n\n$output = $agent-\u003erun(new UserMessage('What is 42 + 58?'));\necho $output-\u003econtent . \"\\n\";\n```\n\n\u003e Make sure Ollama is running: `ollama serve` and a model is pulled: `ollama pull llama3.2`\n\n## Providers\n\n```php\nuse CarmeloSantana\\PHPAgents\\Provider\\OllamaProvider;\nuse CarmeloSantana\\PHPAgents\\Provider\\OpenAICompatibleProvider;\nuse CarmeloSantana\\PHPAgents\\Provider\\AnthropicProvider;\nuse CarmeloSantana\\PHPAgents\\Provider\\GeminiProvider;\nuse CarmeloSantana\\PHPAgents\\Provider\\XAIProvider;\nuse CarmeloSantana\\PHPAgents\\Provider\\MistralProvider;\n\n// Ollama (local — no API key needed)\n$provider = new OllamaProvider(model: 'llama3.2');\n\n// OpenAI\n$provider = new OpenAICompatibleProvider(\n    model: 'gpt-4o',\n    apiKey: getenv('OPENAI_API_KEY'),\n);\n\n// Anthropic\n$provider = new AnthropicProvider(\n    model: 'claude-sonnet-4-20250514',\n    apiKey: getenv('ANTHROPIC_API_KEY'),\n);\n\n// Google Gemini\n$provider = new GeminiProvider(\n    model: 'gemini-2.5-flash',\n    apiKey: getenv('GEMINI_API_KEY'),\n);\n\n// xAI (Grok)\n$provider = new XAIProvider(\n    model: 'grok-3',\n    apiKey: getenv('XAI_API_KEY'),\n);\n\n// Mistral\n$provider = new MistralProvider(\n    model: 'mistral-large-latest',\n    apiKey: getenv('MISTRAL_API_KEY'),\n);\n\n// Any OpenAI-compatible endpoint (OpenRouter, Together, Groq, vLLM, etc.)\n$provider = new OpenAICompatibleProvider(\n    model: 'meta-llama/llama-3.1-70b-instruct',\n    apiKey: getenv('OPENROUTER_API_KEY'),\n    baseUrl: 'https://openrouter.ai/api/v1',\n);\n```\n\n## Creating Custom Agents\n\nExtend `AbstractAgent` and implement `instructions()`:\n\n```php\n\u003c?php\n\ndeclare(strict_types=1);\n\nnamespace MyPackage;\n\nuse CarmeloSantana\\PHPAgents\\Agent\\AbstractAgent;\nuse CarmeloSantana\\PHPAgents\\Contract\\ProviderInterface;\n\nfinal class DatabaseAgent extends AbstractAgent\n{\n    public function __construct(ProviderInterface $provider)\n    {\n        parent::__construct($provider, maxIterations: 10);\n    }\n\n    public function instructions(): string\n    {\n        return 'You are a database agent. Query databases and return results.';\n    }\n\n    public function name(): string\n    {\n        return 'DatabaseAgent';\n    }\n}\n```\n\nRegister toolkits in the constructor with `$this-\u003eaddToolkit()` to give your agent capabilities.\n\n## Creating Custom Tools\n\nDefine tools with typed parameters and a callback:\n\n```php\nuse CarmeloSantana\\PHPAgents\\Tool\\Tool;\nuse CarmeloSantana\\PHPAgents\\Tool\\ToolResult;\nuse CarmeloSantana\\PHPAgents\\Tool\\Parameter\\StringParameter;\n\n$tool = new Tool(\n    name: 'word_count',\n    description: 'Count words in the given text',\n    parameters: [\n        new StringParameter('text', 'The text to count words in', required: true),\n    ],\n    callback: fn(array $args): ToolResult =\u003e ToolResult::success(\n        'Word count: ' . str_word_count($args['text']),\n    ),\n);\n```\n\nGroup related tools into a toolkit by implementing `ToolkitInterface`:\n\n```php\nuse CarmeloSantana\\PHPAgents\\Contract\\ToolkitInterface;\n\nfinal class MyToolkit implements ToolkitInterface\n{\n    public function tools(): array\n    {\n        return [$this-\u003ebuildWordCountTool(), /* ... */];\n    }\n\n    public function guidelines(): string\n    {\n        return 'Use these tools to analyze text.';\n    }\n}\n```\n\n### Toolkit Auto-Discovery\n\nPublish your toolkit as a Composer package with auto-discovery:\n\n```json\n{\n    \"extra\": {\n        \"php-agents\": {\n            \"toolkits\": [\"Acme\\\\MyToolkit\\\\MyToolkit\"],\n            \"credentials\": {\n                \"MY_API_KEY\": \"API key for MyService — get one at https://myservice.com/keys\"\n            }\n        }\n    }\n}\n```\n\n## Documentation\n\n| Guide                                          | Description                                              |\n| ---------------------------------------------- | -------------------------------------------------------- |\n| [Architecture](docs/architecture.md)           | System design, Mermaid diagrams, extension points        |\n| [Getting Started](docs/getting-started.md)     | Installation, provider setup, first agent                |\n| [Providers](docs/providers.md)                 | Feature matrix, streaming, structured output, images     |\n| [Tools \u0026 Toolkits](docs/tools-and-toolkits.md) | Parameter types, execution policies, publishing packages |\n| [Agents](docs/agents.md)                       | Agent loop, observers, cancellation, context window      |\n| [Embeddings \u0026 Vector Stores](docs/memory.md)    | Vector similarity search, embedding providers            |\n\n## Examples\n\nWorking examples live in the [`examples/`](examples/) directory:\n\n| Example                                       | Description                                               | Run                                                 |\n| --------------------------------------------- | --------------------------------------------------------- | --------------------------------------------------- |\n| [CLI Chat](examples/cli-chat.php)             | Interactive terminal conversation with an LLM             | `php examples/cli-chat.php`                         |\n| [README Summarizer](examples/web-summarizer/) | Web UI that auto-summarizes this README using an agent     | `php -S localhost:8080 -t examples/web-summarizer/` |\n\n## `php-agents` In The Wild\n\n[Coqui](https://github.com/AgentCoqui/coqui) is a full AI assistant product built on php-agents. It demonstrates the framework's extensibility:\n\n- **php-agents** is the **library** — agent loop, providers, tools, messages, embeddings\n- **Coqui** is the **product** — REPL, API server, session persistence, multi-agent orchestration, credential management, security policies, toolkit discovery\n\nCoqui adds product logic on top of `php-agents` framework code, with zero code duplication. Each Coqui agent (`OrchestratorAgent`, `ChildAgent`) extends `AbstractAgent` — they are purely configuration layers.\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcarmelosantana%2Fphp-agents","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcarmelosantana%2Fphp-agents","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcarmelosantana%2Fphp-agents/lists"}