feat: use scopes_supported from resource metadata by default (fixes #580) (#757)

Co-authored-by: Paul Carleton <paulc@anthropic.com>
This commit is contained in:
Anthony Giniers 2026-03-02 12:42:39 +01:00 • committed by GitHub
commit c9b58d1986
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@ -17,7 +17,7 @@ import {
} from '../../src/client/auth.js';
import { createPrivateKeyJwtAuth } from '../../src/client/auth-extensions.js';
import { InvalidClientMetadataError, ServerError } from '../../src/server/auth/errors.js';
import { AuthorizationServerMetadata, OAuthTokens } from '../../src/shared/auth.js';
import { AuthorizationServerMetadata, OAuthClientMetadata, OAuthTokens } from '../../src/shared/auth.js';
import { expect, vi, type Mock } from 'vitest';
// Mock pkce-challenge
@ -1873,6 +1873,43 @@ describe('OAuth Authorization', () => {
);
});
it('includes scope in registration body when provided, overriding clientMetadata.scope', async () => {
const clientMetadataWithScope: OAuthClientMetadata = {
...validClientMetadata,
scope: 'should-be-overridden'
};
const expectedClientInfo = {
...validClientInfo,
scope: 'openid profile'
};
mockFetch.mockResolvedValueOnce({
ok: true,
status: 200,
json: async () => expectedClientInfo
});
const clientInfo = await registerClient('https://auth.example.com', {
clientMetadata: clientMetadataWithScope,
scope: 'openid profile'
});
expect(clientInfo).toEqual(expectedClientInfo);
expect(mockFetch).toHaveBeenCalledWith(
expect.objectContaining({
href: 'https://auth.example.com/register'
}),
expect.objectContaining({
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({ ...validClientMetadata, scope: 'openid profile' })
})
);
});
it('validates client information response schema', async () => {
mockFetch.mockResolvedValueOnce({
ok: true,
@ -2746,6 +2783,12 @@ describe('OAuth Authorization', () => {
const redirectCall = (mockProvider.redirectToAuthorization as Mock).mock.calls[0];
const authUrl: URL = redirectCall[0];
expect(authUrl.searchParams.get('scope')).toBe('mcp:read mcp:write mcp:admin');
// Verify the same scope was also used in the DCR request body
const registerCall = mockFetch.mock.calls.find(call => call[0].toString().includes('/register'));
expect(registerCall).toBeDefined();
const registerBody = JSON.parse(registerCall![1].body);
expect(registerBody.scope).toBe('mcp:read mcp:write mcp:admin');
});
it('prefers explicit scope parameter over scopes_supported from PRM', async () => {