# MCP-managed schemas and deploy_studio tool

**Version:** v2.19.0

**Published:** May 8, 2026

## New Features

- `deploy_studio` tool: Deploys a hosted Sanity Studio bound to an MCP-managed schema. Given an `appHost`, the tool provisions or redeploys a Studio at `https://<appHost>.sanity.studio/` that renders the managed schema and is available in Sanity Dashboard.
- MCP-managed schemas: Schemas deployed via `deploy_schema` are now owned and resolved by the MCP server directly, rather than relying on a Studio codebase to publish them. `get_schema`, `list_workspace_schemas`, and the document tools read from this managed source first, falling back to Studio-deployed and legacy schemas when no managed schema exists for a workspace.

## Fixes

- Legacy schema adoption: Better handles invalid legacy schema manifests by returning clear recovery guidance instead of leaking raw validation errors.