Function handleRunBlock

packages/mcp/src/tools/execution.ts:375–477

* Run a single block by ID within an already-loaded file. * Called from handleRun when blockId is specified.

(
  file: DeepnoteFile,
  originalPath: string,
  blockId: string,
  notebookFilter: string | undefined,
  pythonPath: string | undefined,
  inputs: Record<string, unknown> | undefined,
  options: { dryRun: boolean }
)

 * Called from handleRun when blockId is specified.
 */
async function handleRunBlock(
  file: DeepnoteFile,
  originalPath: string,
  blockId: string,
  notebookFilter: string | undefined,
  pythonPath: string | undefined,
  inputs: Record<string, unknown> | undefined,
  options: { dryRun: boolean }
) {
  // Find the block
  let targetBlock = null
  let targetNotebook = null

  for (const notebook of file.project.notebooks) {
    if (notebookFilter && notebook.name !== notebookFilter && notebook.id !== notebookFilter) {
      continue
    }
    const block = notebook.blocks.find(b => b.id === blockId || b.id.startsWith(blockId))
    if (block) {
      targetBlock = block
      targetNotebook = notebook
      break
    }
  }

  if (!targetBlock || !targetNotebook) {
    return {
      content: [{ type: 'text', text: `Block not found: ${blockId}` }],
      isError: true,
    }
  }

  if (options.dryRun) {
    return {
      content: [
        {
          type: 'text',
          text: JSON.stringify(
            {
              dryRun: true,
              level: 'block',
              notebook: targetNotebook.name,
              block: {
                id: targetBlock.id.slice(0, 8),
                fullId: targetBlock.id,
                type: targetBlock.type,
              },
              inputs: inputs || {},
            },
            null,
            2
          ),
        },
      ],
    }
  }

  // Run the specific block