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[6.x] Add MCP servers - #19846
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[6.x] Add MCP servers#19846
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php craft mcp:serve --user=<id|username|email> serves the authenticated MCP server over stdio as the named user. Capabilities marked #[RequiresHttp], such as assets.upload.prepare, are not offered over stdio. The stdio server replaces the debugUserId config setting for local debugging.
📚 Storybook previews@craftcms/ui — open Storybook No changed components detected in this Storybook. resources/js — open Storybook No changed components detected in this Storybook. |
Registering OPTIONS and POST on the same URI against McpController::admin made Wayfinder generate an object literal with duplicate keys, which failed the TypeScript check.
tools/list returns 50 tools per page in filesystem scan order, so the asset tests now follow nextCursor instead of assuming their tool is on the first page. The nested pagination test soft-deletes its entry: on PostgreSQL, hard-deleting an element whose revisions were created in the same transaction re-checks the revision foreign key after the cascade has removed the revision.
elements.canonicalId nulls on delete while drafts and revisions cascade, so PostgreSQL could null a derivative element's canonicalId after removing its draft or revision row, failing the draftId or revisionId foreign key. Removing the drafts and revisions first leaves the same end state without the conflict. Restores the hard delete in the nested pagination MCP test.
riasvdv
marked this pull request as ready for review
October 6, 2026 12:50
Setting the acting user on the Craft guard fired `Authenticated`, which the adapter answered by wrapping the user model in an IdentityWrapper (copying no attributes, so a null ID) and logging it in through the console User component. The resulting Login event recorded a login and called findOrFail(null), throwing "No query results for model [User]". - Wrap the user's element rather than its model in the adapter's Authenticated and Login listeners. - Make the console User component's setIdentity() set the guard's user instead of logging in, as Craft 5's console identity did, and skip it when the guard already has that user, so it can't loop back through Authenticated. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
[6.x] Fix craft:mcp:serve failing with the Yii2 adapter installed
riasvdv
marked this pull request as draft
October 6, 2026 13:19
In a section with an approval workflow, entries.create and entries.update save enabled entries as drafts. Their results now set savedAsDraft, explain which tools handle the draft, and suggest workflows.submit as the next tool call.
riasvdv
marked this pull request as ready for review
October 6, 2026 14:56
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@riasvdv may I ask why |
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Description
Adds Model Context Protocol (MCP) servers to Craft, so AI agents and other MCP clients can inspect and manage a site's content, content model, users, plugins, and project config.
Craft runs three servers:
{cpTrigger}/mcp. Clients sign in through OAuth 2.1 with Laravel Passport, using discovery metadata, dynamic client registration, and PKCE. Users need the new Use Craft MCP permission as well as control panel access.php craft mcp:serve --user=…, for clients that launch Craft as a local process. It acts as the named user, who needs the Use Craft MCP permission.Capabilities cover sites, sections, entry types, fields and field layouts, entries, drafts, revisions, structures, assets and volumes, users, addresses, user groups and permissions, routes, image transforms, plugins, project config, editorial workflows, activity timelines and comments, cross-type search, and content-model audits. Activity recorded through MCP is labeled with an
MCPorigin, including activity from queued jobs started through MCP.Plugins can extend the servers:
CapabilityRegistry;#[RequiresPermission],#[RequiresAdmin],#[RequiresAdminChanges], and#[RequiresHttp];#[PublicMcp];ElementSerializingevent;ProvidesInputSchema;CheckRegistry.docs/mcp.md describes how the servers work and how plugins extend them.
This adds the
mcp/sdk,laravel/passport, andsymfony/psr-http-message-bridgedependencies, and a migration for Passport's OAuth tables. Craft adds its Passport scope and guard alongside a host application's existing Passport configuration rather than replacing it.