MCP reference

Every MCP tool and its input shape. New to MCP? Start with the MCP guide for connecting and authenticating a client. The MCP server is mounted at:

POST /mcp

Use the web origin for MCP clients so OAuth redirects and cookies stay aligned:

https://agent-artifacts.com/mcp

Metadata

Protected resource metadata:

GET /.well-known/oauth-protected-resource

Authorization server metadata:

GET /.well-known/oauth-authorization-server

Tool List

Tool	Purpose
`get_current_principal`	Return the authenticated principal
`list_workspaces`	List workspaces for the authenticated user
`list_projects`	List projects owned through memberships
`create_project`	Create a project in a workspace namespace
`check_project_slug_availability`	Check project slug availability
`list_artifacts`	List artifacts owned by the authenticated human user
`list_workspace_artifacts`	List artifacts visible in a workspace
`create_artifact`	Create an artifact and first version
`update_artifact`	Append a new immutable version
`restore_artifact_version`	Restore an old version as a new head version
`delete_artifact`	Soft-delete an artifact
`get_artifact`	Read artifact metadata
`get_artifact_content`	Read source content for an artifact version
`list_artifact_versions`	List immutable versions
`diff_artifact_versions`	Return a unified diff between two versions
`get_artifact_access`	Read access settings
`set_artifact_access`	Update access settings
`create_share_link`	Create viewer or editor share link
`list_share_links`	List share links for an artifact
`revoke_share_link`	Revoke a share link
`list_audit_events`	List account or artifact audit events
`resolve_path`	Resolve a project or artifact by path

Project Tools

`check_project_slug_availability`

{
  "ownerUsername": "alice",
  "slug": "default"
}

`create_project`

{
  "ownerUsername": "alice",
  "slug": "default",
  "title": "Default",
  "icon": "*",
  "description": "Optional"
}

`list_projects`

{}

Artifact Tools

`create_artifact`

{
  "ownerUsername": "alice",
  "projectSlug": "default",
  "slug": "report",
  "type": "md",
  "title": "Report",
  "description": "Optional",
  "content": "# Report",
  "changelog": "Initial publish",
  "access": {
    "publicView": true,
    "publicEdit": false
  }
}

`update_artifact`

{
  "artifactId": "ARTIFACT_ID",
  "content": "# Report v2",
  "changelog": "Refresh",
  "expectedLatestVersion": 1
}

`restore_artifact_version`

{
  "artifactId": "ARTIFACT_ID",
  "versionNumber": 1
}

`delete_artifact`

{
  "artifactId": "ARTIFACT_ID"
}

`get_artifact`

{
  "artifactId": "ARTIFACT_ID"
}

`get_artifact_content`

{
  "artifactId": "ARTIFACT_ID",
  "versionNumber": 1
}

Omit versionNumber for the latest source.

`list_artifacts`

{}

`list_workspace_artifacts`

{
  "workspaceId": "WORKSPACE_ID"
}

`list_artifact_versions`

{
  "artifactId": "ARTIFACT_ID",
  "limit": 50
}

limit is optional and must be at most 100.

`diff_artifact_versions`

{
  "artifactId": "ARTIFACT_ID",
  "fromVersion": 1,
  "toVersion": 2
}

`get_artifact_access`

{
  "artifactId": "ARTIFACT_ID"
}

`set_artifact_access`

{
  "artifactId": "ARTIFACT_ID",
  "access": {
    "publicView": false,
    "publicEdit": false,
    "viewerEmails": ["teammate@example.com"]
  }
}

`create_share_link`

{
  "artifactId": "ARTIFACT_ID",
  "role": "viewer",
  "expiresAt": "2026-06-30T12:00:00.000Z"
}

role defaults to viewer. Valid values are viewer and editor.

`list_share_links`

{
  "artifactId": "ARTIFACT_ID"
}

`revoke_share_link`

{
  "shareLinkId": "SHARE_LINK_ID"
}

Audit and Path Tools

`list_audit_events`

{
  "artifactId": "ARTIFACT_ID",
  "limit": 50
}

Omit artifactId to list account-level audit events for the authenticated user.

`resolve_path`

Resolve a project:

{
  "ownerUsername": "alice",
  "projectSlug": "default"
}

Resolve an artifact:

{
  "ownerUsername": "alice",
  "projectSlug": "default",
  "slug": "report"
}

Workspace and Principal Tools

`get_current_principal`

{}

`list_workspaces`

{}

Interfaces

Operations

Metadata

Tool List

Project Tools

`check_project_slug_availability`

`create_project`

`list_projects`

Artifact Tools

`create_artifact`

`update_artifact`

`restore_artifact_version`

`delete_artifact`

`get_artifact`

`get_artifact_content`

`list_artifacts`

`list_workspace_artifacts`

`list_artifact_versions`

`diff_artifact_versions`

`get_artifact_access`

`set_artifact_access`

`create_share_link`

`list_share_links`

`revoke_share_link`

Audit and Path Tools

`list_audit_events`

`resolve_path`

Workspace and Principal Tools

`get_current_principal`

`list_workspaces`

​Metadata

​Tool List

​Project Tools

​check_project_slug_availability

​create_project

​list_projects

​Artifact Tools

​create_artifact

​update_artifact

​restore_artifact_version

​delete_artifact

​get_artifact

​get_artifact_content

​list_artifacts

​list_workspace_artifacts

​list_artifact_versions

​diff_artifact_versions

​Access and Sharing Tools

​get_artifact_access

​set_artifact_access

​create_share_link

​list_share_links

​revoke_share_link

​Audit and Path Tools

​list_audit_events

​resolve_path

​Workspace and Principal Tools

​get_current_principal

​list_workspaces

Metadata

Tool List

Project Tools

`check_project_slug_availability`

`create_project`

`list_projects`

Artifact Tools

`create_artifact`

`update_artifact`

`restore_artifact_version`

`delete_artifact`

`get_artifact`

`get_artifact_content`

`list_artifacts`

`list_workspace_artifacts`

`list_artifact_versions`

`diff_artifact_versions`

Access and Sharing Tools

`get_artifact_access`

`set_artifact_access`

`create_share_link`

`list_share_links`

`revoke_share_link`

Audit and Path Tools

`list_audit_events`

`resolve_path`

Workspace and Principal Tools

`get_current_principal`

`list_workspaces`