No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by modelcontextprotocol · MCP Server · ★ 1.6k
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🔒 Is php-sdk safe to install? View the security audit →
MCP PHP SDK The official PHP SDK for Model Context Protocol (MCP). It provides a framework-agnostic API for implementing MCP servers and clients in PHP. This project represents a collaboration between the PHP Foundation and the Symfony project. It adopts development practices and standards from the Symfony project, including Coding Standards and the Backward Compatibility Promise. Until the first major release, this SDK is considered experimental, please see the roadmap for planned next steps and features. Installation Quick Start This example demonstrates the most common usage pattern - a STDIO server using attribute discovery. Define Your MCP Elements Create a class with MCP capabilities using attributes: php <?php namespace App; use Mcp\Capability\Attribute\McpTool; use Mcp\Capability\Attribute\McpResource; class CalculatorElements { / Adds two numbers together. @param int $a The first number @param int $b The second number @return int The sum of the two numbers / #[McpTool] public function add(int $a, int $b): int { return $a + $b; } / Performs basic arith
| Stars | 1,609 |
| Forks | 173 |
| Language | PHP |
| Category | MCP Server |
| Quality Score | 73.127133860535/100 |
| Open Issues | 73 |
| Last Updated | 2026-09-15 |
| Created | 2025-07-15 |
| Platforms | cli, mcp |
| Est. Tokens | ~17k |
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php-sdk is The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.. It is categorized as a MCP Server with 1.6k GitHub stars.
php-sdk is primarily written in PHP. It covers topics such as mcp, mcp-client, mcp-server.
You can find installation instructions and usage details in the php-sdk GitHub repository at github.com/modelcontextprotocol/php-sdk. The project has 1.6k stars and 173 forks, indicating an active community.
The top alternatives to php-sdk on Agent Skills Hub include klavis, archestra, py-xiaozhi. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: