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Fix to make Symfony Finder component optional (#267)

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Sule-Balogun Olanrewaju 2026-04-11 16:19:47 +01:00 • committed by GitHub
commit ea38ef7b62
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2 changed files with 17 additions and 3 deletions
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5
src/Capability/Discovery/Discoverer.php
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@ -24,6 +24,7 @@ use Mcp\Capability\Registry\ResourceReference;
use Mcp\Capability\Registry\ResourceTemplateReference;
use Mcp\Capability\Registry\ToolReference;
use Mcp\Exception\ExceptionInterface;
use Mcp\Exception\RuntimeException;
use Mcp\Schema\Prompt;
use Mcp\Schema\PromptArgument;
use Mcp\Schema\Resource;
@ -53,6 +54,10 @@ final class Discoverer implements DiscovererInterface
private ?DocBlockParser $docBlockParser = null,
private ?SchemaGeneratorInterface $schemaGenerator = null,
) {
if (!class_exists(Finder::class)) {
throw new RuntimeException('File-based discovery requires symfony/finder. Run: composer require symfony/finder');
}
$this->docBlockParser = $docBlockParser ?? new DocBlockParser(logger: $this->logger);
$this->schemaGenerator = $schemaGenerator ?? new SchemaGenerator($this->docBlockParser);
}

9
src/Server/Builder.php
View file

@ -46,6 +46,7 @@ use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Psr\SimpleCache\CacheInterface;
use Symfony\Component\Finder\Finder;
/**
* @phpstan-import-type Handler from ElementReference
@ -523,8 +524,12 @@ final class Builder
);
if (null !== $this->discoveryBasePath) {
$discoverer = $this->discoverer ?? $this->createDiscoverer($logger);
$loaders[] = new DiscoveryLoader($this->discoveryBasePath, $this->discoveryScanDirs, $this->discoveryExcludeDirs, $discoverer);
if (null !== $this->discoverer || class_exists(Finder::class)) {
$discoverer = $this->discoverer ?? $this->createDiscoverer($logger);
$loaders[] = new DiscoveryLoader($this->discoveryBasePath, $this->discoveryScanDirs, $this->discoveryExcludeDirs, $discoverer);
} else {
$logger->warning('File-based discovery requires symfony/finder. Skipping automatic discovery. Run: composer require symfony/finder');
}
}
foreach ($loaders as $loader) {