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layout default
title Chapter 8: Roadmap, Release Strategy, and Production Readiness
nav_order 8
parent MCP PHP SDK Tutorial

Chapter 8: Roadmap, Release Strategy, and Production Readiness

Welcome to Chapter 8: Roadmap, Release Strategy, and Production Readiness. 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 defines a roadmap-aware operations strategy for using the PHP SDK in production.

Learning Goals

  • align release planning with the SDK roadmap and changelog signals
  • maintain compatibility tests for protocol and transport behavior
  • stage upgrades safely in an evolving pre-1.0 ecosystem
  • set governance controls around schema and capability changes

Production Controls

  1. pin SDK versions and rehearse upgrades in staging
  2. regression-test tool/resource/prompt contracts per release
  3. watch roadmap progress for client component and schema-version support
  4. keep backward-compatibility expectations explicit for downstream consumers

Source References

Summary

You now have a production rollout strategy for PHP MCP implementations under active SDK evolution.

Return to the MCP PHP SDK Tutorial index.

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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