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Add missing handler for resource subscribe and unsubscribe (#220)

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Sule-Balogun Olanrewaju 2026-02-17 23:11:35 +00:00 • committed by GitHub
commit 2166b38d56
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1 changed files with 781 additions and 9 deletions
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24
src/Server/Builder.php
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@ -33,6 +33,8 @@ use Mcp\Schema\ToolAnnotations;
use Mcp\Server;
use Mcp\Server\Handler\Notification\NotificationHandlerInterface;
use Mcp\Server\Handler\Request\RequestHandlerInterface;
use Mcp\Server\Resource\SessionSubscriptionManager;
use Mcp\Server\Resource\SubscriptionManagerInterface;
use Mcp\Server\Session\InMemorySessionStore;
use Mcp\Server\Session\SessionFactory;
use Mcp\Server\Session\SessionFactoryInterface;
@ -54,6 +56,8 @@ final class Builder
private RegistryInterface $registry;
private ?SubscriptionManagerInterface $subscriptionManager = null;
private ?LoggerInterface $logger = null;
private ?CacheInterface $discoveryCache = null;
@ -309,6 +313,13 @@ final class Builder
return $this;
}
public function setResourceSubscriptionManager(SubscriptionManagerInterface $subscriptionManager): self
{
$this->subscriptionManager = $subscriptionManager;
return $this;
}
public function setSession(
SessionStoreInterface $sessionStore,
SessionFactoryInterface $sessionFactory = new SessionFactory(),
@ -489,12 +500,16 @@ final class Builder
$logger = $this->logger ?? new NullLogger();
$container = $this->container ?? new Container();
$registry = $this->registry ?? new Registry($this->eventDispatcher, $logger);
$subscriptionManager = $this->subscriptionManager ?? new SessionSubscriptionManager($logger);
$loaders = [
...$this->loaders,
new ArrayLoader($this->tools, $this->resources, $this->resourceTemplates, $this->prompts, $logger, $this->schemaGenerator),
];
$sessionTtl = $this->sessionTtl ?? 3600;
$sessionFactory = $this->sessionFactory ?? new SessionFactory();
$sessionStore = $this->sessionStore ?? new InMemorySessionStore($sessionTtl);
if (null !== $this->discoveryBasePath) {
$discoverer = $this->discoverer ?? $this->createDiscoverer($logger);
$loaders[] = new DiscoveryLoader($this->discoveryBasePath, $this->discoveryScanDirs, $this->discoveryExcludeDirs, $discoverer);
@ -504,16 +519,13 @@ final class Builder
$loader->load($registry);
}
$sessionTtl = $this->sessionTtl ?? 3600;
$sessionFactory = $this->sessionFactory ?? new SessionFactory();
$sessionStore = $this->sessionStore ?? new InMemorySessionStore($sessionTtl);
$messageFactory = MessageFactory::make();
$capabilities = $this->serverCapabilities ?? new ServerCapabilities(
tools: $registry->hasTools(),
toolsListChanged: $this->eventDispatcher instanceof EventDispatcherInterface,
resources: $registry->hasResources() || $registry->hasResourceTemplates(),
resourcesSubscribe: false,
resourcesSubscribe: $registry->hasResources() || $registry->hasResourceTemplates(),
resourcesListChanged: $this->eventDispatcher instanceof EventDispatcherInterface,
prompts: $registry->hasPrompts(),
promptsListChanged: $this->eventDispatcher instanceof EventDispatcherInterface,
@ -536,6 +548,8 @@ final class Builder
new Handler\Request\ListToolsHandler($registry, $this->paginationLimit),
new Handler\Request\PingHandler(),
new Handler\Request\ReadResourceHandler($registry, $referenceHandler, $logger),
new Handler\Request\ResourceSubscribeHandler($registry, $subscriptionManager, $logger),
new Handler\Request\ResourceUnsubscribeHandler($registry, $subscriptionManager, $logger),
new Handler\Request\SetLogLevelHandler(),
]);