php-sdk/composer.json
Christopher Hertel d150772e24
[Schema][Server] Add MCP Apps extension (io.modelcontextprotocol/ui) support (#281)
* feat: add MCP Apps extension (io.modelcontextprotocol/ui) support

Adds support for the MCP Apps protocol extension, which lets servers
expose interactive HTML UIs as resources rendered by spec-conforming
clients (e.g. Goose) in sandboxed iframes.

- Generic extension plumbing: ServerExtensionInterface and
  Builder::enableExtension(), with extensions advertised under
  capabilities.extensions during the initialize handshake.
  ClientCapabilities/ServerCapabilities gain an extensions field.
- Schema DTOs under Mcp\Schema\Extension\Apps: the McpApps marker,
  UiToolMeta, ToolVisibility enum, UiResourceContentMeta,
  UiResourceCsp, and UiResourcePermissions (with empty-object
  presence markers per spec).
- A worked weather example under examples/server/mcp-apps/ with a
  minimal spec-conforming view (ui/initialize handshake, postMessage
  JSONRPCMessage objects, and ResizeObserver-driven size reporting).
- docs/extensions.md guide with pointers from index.md and
  examples.md to the ext-apps repository for the TypeScript SDK and
  richer view-side patterns.
- Unit and inspector snapshot test coverage.

Spec: https://github.com/modelcontextprotocol/ext-apps

* Type UiToolMeta visibility as ToolVisibility enum

Also fix UiResourceContentMeta::jsonSerialize() return phpdoc.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* Address review nitpicks for MCP Apps extension

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* Apply PR review feedback for MCP Apps extension

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* Add regression tests and CHANGELOG entry for capabilities extensions

- Pin the is_array() guards on extensions in ServerCapabilities and
  ClientCapabilities::fromArray() with explicit non-array payload tests.
- Pin the isset()-rejects-null contract in UiResourcePermissions::fromArray().
- Surface the new extensions field on both capability classes in CHANGELOG.
- Inline the ?: idiom in Builder::build() to match the surrounding style.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-06-01 09:35:54 +01:00

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{
"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/uid": "^5.4 || ^6.4 || ^7.3 || ^8.0"
},
"suggest": {
"symfony/finder": "Required for file-based discovery."
},
"require-dev": {
"ext-openssl": "*",
"composer/semver": "^3.0",
"firebase/php-jwt": "^6.10 || ^7.0",
"laminas/laminas-httphandlerrunner": "^2.12",
"nyholm/psr7": "^1.8",
"nyholm/psr7-server": "^1.1",
"phar-io/composer-distributor": "^1.0.2",
"php-cs-fixer/shim": "^3.91",
"phpdocumentor/shim": "^3",
"phpstan/phpstan": "^2.1",
"phpunit/phpunit": "^10.5",
"psr/simple-cache": "^2.0 || ^3.0",
"symfony/cache": "^5.4 || ^6.4 || ^7.3 || ^8.0",
"symfony/console": "^5.4 || ^6.4 || ^7.3 || ^8.0",
"symfony/finder": "^5.4 || ^6.4 || ^7.3 || ^8.0",
"symfony/http-client": "^5.4 || ^6.4 || ^7.3 || ^8.0",
"symfony/process": "^5.4 || ^6.4 || ^7.3 || ^8.0"
},
"autoload": {
"psr-4": {
"Mcp\\": "src/"
}
},
"autoload-dev": {
"psr-4": {
"Mcp\\Example\\Server\\CachedDiscovery\\": "examples/server/cached-discovery/",
"Mcp\\Example\\Server\\ClientCommunication\\": "examples/server/client-communication/",
"Mcp\\Example\\Server\\ClientLogging\\": "examples/server/client-logging/",
"Mcp\\Example\\Server\\CombinedRegistration\\": "examples/server/combined-registration/",
"Mcp\\Example\\Server\\Elicitation\\": "examples/server/elicitation/",
"Mcp\\Example\\Server\\ComplexToolSchema\\": "examples/server/complex-tool-schema/",
"Mcp\\Example\\Server\\Conformance\\": "examples/server/conformance/",
"Mcp\\Example\\Server\\CustomDependencies\\": "examples/server/custom-dependencies/",
"Mcp\\Example\\Server\\CustomMethodHandlers\\": "examples/server/custom-method-handlers/",
"Mcp\\Example\\Server\\DiscoveryCalculator\\": "examples/server/discovery-calculator/",
"Mcp\\Example\\Server\\DiscoveryUserProfile\\": "examples/server/discovery-userprofile/",
"Mcp\\Example\\Server\\EnvVariables\\": "examples/server/env-variables/",
"Mcp\\Example\\Server\\ExplicitRegistration\\": "examples/server/explicit-registration/",
"Mcp\\Example\\Server\\McpApps\\": "examples/server/mcp-apps/",
"Mcp\\Example\\Server\\OAuthKeycloak\\": "examples/server/oauth-keycloak/",
"Mcp\\Example\\Server\\OAuthMicrosoft\\": "examples/server/oauth-microsoft/",
"Mcp\\Example\\Server\\SchemaShowcase\\": "examples/server/schema-showcase/",
"Mcp\\Tests\\": "tests/"
},
"classmap": [
"tests/Unit/Capability/Discovery/Fixtures/AlternativeFileNameToolHandler.class.inc"
]
},
"config": {
"allow-plugins": {
"php-http/discovery": false,
"phpdocumentor/shim": true
},
"sort-packages": true
}
}