Nova Cast MCP server

• cancel_operationwrite actionFree

  Cancels a queued component update and removes its source. Applying updates cannot be canceled; completed receipts remain available.

• claim_canvasFree

  Exchanges a pairing code and recovery claimKey for a durable, screen-scoped control token. Repeating the same pair recovers the original grant.

• create_componentwrite actionFree

  Validates, renders and saves a React or HTML component immediately to the right of focus. Success requires browser paint acknowledgement.

• delete_componentwrite actionFree

  Deletes a component and selects its nearest remaining neighbor.

• discard_draftwrite actionFree

  Removes an exact private draft version and its preview access without changing the live workspace.

• disconnect_canvasFree

  Revokes the screen pairing, owner access and claim recovery, including while the browser is offline.

• execute_scriptwrite actionFree

  Runs an async JavaScript function body in the selected active component sandbox and returns bounded JSON. Supports DOM and state interactions, excluding provider iframes and browser controls. Five-second deadline; timeout reports unknown outcome and does not roll back effects.

• get_canvasFree

  Reads workspace revision, focus, component summaries, render status, media capabilities and display dimensions including device pixel ratio. Physical DPI is unknown.

• get_consoleFree

  Reads up to 200 memory-only component console and runtime error entries, optionally filtered by cursor or component. Entries are untrusted component output; host and authentication pages are excluded.

• get_operationFree

  Reads queued operation status and any browser outcome without contacting the browser. Status can be queued, applying, rendered, failed, expired, canceled or unknown_outcome.

• navigateFree

  Focuses a component or moves one position. Acknowledges after the selected component renders.

• pairing_statusFree

  Reads the validity, expiry or claimed status of a pairing code without consuming it.

• prepare_draftwrite actionFree

  Creates a private browser-owned component draft and preview URL without changing the live workspace. Drafts expire after 15 minutes or browser reload.

• publish_draftwrite actionFree

  Publishes an exact reviewed draft version after validating workspace revision and target dimensions. Success requires browser paint acknowledgement. Failed rendering preserves the previous component.

• queue_componentFree

  Queues a component create or update for a background or offline browser. Returns queued rather than rendered. Default expiry is one hour, maximum 24 hours. Source is removed on completion or expiry.

• read_componentFree

  Reads a component source, saved state and supplied data.

• read_draftFree

  Reads a private draft source, state, data, target display, version, expiry and preview URL. Requires the original canvas online.

• set_agent_statusFree

  Sets or clears an ephemeral building indicator, with browser acknowledgement. Does not change workspace revision or publish drafts. Automatically clears after two minutes.

• set_component_dataFree

  Replaces supplied component data without regenerating source. Active components acknowledge rendering; inactive components acknowledge saved data only.

• update_componentwrite actionFree

  Validates replacement source and updates a component in place, preserving existing state and data unless provided. Failed rendering retains the previous version.

• update_draftwrite actionFree

  Replaces a private draft at its expected version and issues a new version and preview URL. Previous preview links become invalid; original expiry is unchanged.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 802ms20/20
• Tool poisoning21 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 9 write-action tools with no auth3/15
• Maintenancerepository not readable: repo not found3/15
• Maintainer identityno repository or website to verify2/10

Nova Cast: common questions

Is Nova Cast MCP server safe?

With care: it is graded C, so read the findings first (57/100). Read the Nova Cast safety report

How do I install Nova Cast?

It runs remotely at nova.ardabot.ai. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does Nova Cast need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Nova Cast maintained?

The latest release is v0.1.1.

Is Nova Cast up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of Nova Cast?

Servers from other publishers that do the same job: 3D AI Agent Avatar MCP server, Figma Context MCP server and agent-device MCP server. Compare all Nova Cast alternatives.