Report MCP, bridge, plugin, Designer version, session, and compatibility status.

Read Designer version, Python, platform, open packages, graph, and capabilities.

Read the runtime-probed capability matrix and verification status.

List packages currently open in Designer as structured references.

Save one already-saved open package in place; never performs Save As.

Read the current editable graph, package, node count, and selection count.

List a bounded page of nodes from a structured graph reference.

Read the current graph node selection with a bounded result size.

Read one node by a structured current-session node reference.

List runtime input and output properties, types, values, and connection state.

Create one verified atomic node at an explicit position without auto-connecting it.

Create one instance from a resource returned by sd_search_library.

Move one to one hundred explicitly identified nodes to finite coordinates.

Delete explicit nodes from one graph only when confirm is true.

Connect explicit runtime properties after direction, type, and duplicate checks.

Disconnect one explicit existing property connection.

Set a supported simple parameter after reading and validating its runtime SD type.

Search resources in currently loaded packages without UI scraping or guessed URLs.