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layout default
title Chapter 7: Framework Integration, Session Stores, and Dependencies
nav_order 7
parent MCP PHP SDK Tutorial

Chapter 7: Framework Integration, Session Stores, and Dependencies

Welcome to Chapter 7: Framework Integration, Session Stores, and Dependencies. In this part of MCP PHP SDK Tutorial: Building MCP Servers in PHP with Discovery and Transport Flexibility, you will build an intuitive mental model first, then move into concrete implementation details and practical production tradeoffs.

This chapter covers infrastructure decisions for production-grade PHP MCP services.

Learning Goals

  • choose session stores by scale and durability requirements
  • wire SDK dependencies into framework containers and middleware
  • apply framework-specific HTTP integration patterns safely
  • avoid deployment failures from session or dependency misconfiguration

Session Store Options

Store Best Fit
in-memory single-instance/local development
file-based simple persistent session state
PSR-16 cache distributed deployments (Redis/multi-node)

Integration Guidance

  • centralize transport wiring at the framework edge.
  • keep container bindings for handlers/services explicit.
  • separate MCP protocol concerns from application domain services.

Source References

Summary

You now have a framework-aware infrastructure model for PHP MCP deployments.

Next: Chapter 8: Roadmap, Release Strategy, and Production Readiness

Depth Expansion Playbook

Source Code Walkthrough

composer.json

The composer module in composer.json handles a key part of this chapter's functionality:

{
  "name": "mcp/sdk",
  "description": "Model Context Protocol SDK for Client and Server applications in PHP",
  "license": "Apache-2.0",
  "type": "library",
  "authors": [
    {
      "name": "Christopher Hertel",
      "email": "mail@christopher-hertel.de"
    },
    {
      "name": "Kyrian Obikwelu",
      "email": "koshnawaza@gmail.com"
    },
    {
      "name": "Tobias Nyholm",
      "email": "tobias.nyholm@gmail.com"
    }
  ],
  "require": {
    "php": "^8.1",
    "ext-fileinfo": "*",
    "opis/json-schema": "^2.4",
    "php-http/discovery": "^1.20",
    "phpdocumentor/reflection-docblock": "^5.6 || ^6.0",
    "psr/clock": "^1.0",
    "psr/container": "^1.0 || ^2.0",
    "psr/event-dispatcher": "^1.0",
    "psr/http-client": "^1.0",
    "psr/http-factory": "^1.1",
    "psr/http-message": "^1.1 || ^2.0",
    "psr/http-server-handler": "^1.0",
    "psr/http-server-middleware": "^1.0",
    "psr/log": "^1.0 || ^2.0 || ^3.0",
    "symfony/finder": "^5.4 || ^6.4 || ^7.3 || ^8.0",

This module is important because it defines how MCP PHP SDK Tutorial: Building MCP Servers in PHP with Discovery and Transport Flexibility implements the patterns covered in this chapter.

examples/server/oauth-keycloak/keycloak/mcp-realm.json

The mcp-realm module in examples/server/oauth-keycloak/keycloak/mcp-realm.json handles a key part of this chapter's functionality:

{
  "realm": "mcp",
  "enabled": true,
  "registrationAllowed": false,
  "loginWithEmailAllowed": true,
  "duplicateEmailsAllowed": false,
  "resetPasswordAllowed": true,
  "editUsernameAllowed": false,
  "bruteForceProtected": true,
  "accessTokenLifespan": 300,
  "ssoSessionIdleTimeout": 1800,
  "ssoSessionMaxLifespan": 36000,
  "clients": [
    {
      "clientId": "mcp-client",
      "name": "MCP Client Application",
      "description": "Public client for MCP client applications",
      "enabled": true,
      "publicClient": true,
      "standardFlowEnabled": true,
      "directAccessGrantsEnabled": true,
      "serviceAccountsEnabled": false,
      "authorizationServicesEnabled": false,
      "fullScopeAllowed": true,
      "redirectUris": [
        "http://localhost:*",
        "http://127.0.0.1:*"
      ],
      "webOrigins": [
        "http://localhost:*",
        "http://127.0.0.1:*"
      ],
      "defaultClientScopes": [
        "openid",
        "profile",

This module is important because it defines how MCP PHP SDK Tutorial: Building MCP Servers in PHP with Discovery and Transport Flexibility implements the patterns covered in this chapter.

examples/server/oauth-microsoft/docker-compose.yml

The docker-compose module in examples/server/oauth-microsoft/docker-compose.yml handles a key part of this chapter's functionality:

services:
  php:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: mcp-php-microsoft
    volumes:
      - ../../../:/app
    working_dir: /app
    env_file:
      - .env
    environment:
      AZURE_TENANT_ID: ${AZURE_TENANT_ID:-}
      AZURE_CLIENT_ID: ${AZURE_CLIENT_ID:-}
      AZURE_CLIENT_SECRET: ${AZURE_CLIENT_SECRET:-}
    command: >
      sh -c "mkdir -p /app/examples/server/oauth-microsoft/sessions;
      chmod -R 0777 /app/examples/server/oauth-microsoft/sessions;
      touch /app/examples/server/oauth-microsoft/dev.log;
      chmod 0666 /app/examples/server/oauth-microsoft/dev.log;
      touch /app/examples/server/dev.log;
      chmod 0666 /app/examples/server/dev.log;
      composer install --no-interaction --quiet 2>/dev/null || true;
      php-fpm"
    networks:
      - mcp-network

  nginx:
    image: nginx:alpine
    container_name: mcp-nginx-microsoft
    ports:
      - "${MCP_HTTP_PORT:-8000}:80"
    volumes:
      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
      - ../../../:/app:ro

This module is important because it defines how MCP PHP SDK Tutorial: Building MCP Servers in PHP with Discovery and Transport Flexibility implements the patterns covered in this chapter.

How These Components Connect

flowchart TD
    A[composer]
    B[mcp-realm]
    C[docker-compose]
    A --> B
    B --> C
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