chore: kanban template

packages/functions/src/wirings/kanban.mcp.ts

@@ -0,0 +1,90 @@
+import { z } from 'zod'
+import {
+  pikkuMCPToolFunc,
+  pikkuMCPResourceFunc,
+  pikkuMCPPromptFunc,
+  wireMCPResource,
+  wireMCPPrompt,
+} from '#pikku'
+import { randomUUID } from 'node:crypto'
+
+export const listCardsTool = pikkuMCPToolFunc({
+  description: 'List all kanban cards on the board.',
+  tags: ['kanban', 'cards'],
+  func: async ({ kysely }) => {
+    const cards = await kysely
+      .selectFrom('kanbanCard')
+      .selectAll()
+      .orderBy('position', 'asc')
+      .execute()
+    return [{ type: 'text' as const, text: JSON.stringify(cards, null, 2) }]
+  },
+})
+
+export const CreateCardToolInput = z.object({
+  title: z.string().min(1),
+  status: z.enum(['todo', 'doing', 'done']).default('todo'),
+})
+
+export const createCardTool = pikkuMCPToolFunc({
+  input: CreateCardToolInput,
+  description: 'Create a new kanban card on the board.',
+  tags: ['kanban', 'cards'],
+  func: async ({ kysely, queueService }, { title, status }) => {
+    const cardId = randomUUID()
+    const createdAt = new Date().toISOString()
+    const max = await kysely
+      .selectFrom('kanbanCard')
+      .select(({ fn }) => fn.max<number>('position').as('max'))
+      .where('status', '=', status)
+      .executeTakeFirst()
+    const position = (max?.max ?? 0) + 1
+    await kysely
+      .insertInto('kanbanCard')
+      .values({ cardId, title, status, position, createdAt })
+      .execute()
+    await queueService!.add('process-card-event', { cardId, action: 'created', status, createdAt })
+    return [{ type: 'text' as const, text: `Created card ${cardId}: "${title}" (${status})` }]
+  },
+})
+
+const kanbanCardsResource = pikkuMCPResourceFunc<void>(async ({ kysely }) => {
+  const cards = await kysely
+    .selectFrom('kanbanCard')
+    .selectAll()
+    .orderBy('position', 'asc')
+    .execute()
+  return [{ uri: 'kanban://cards', text: JSON.stringify(cards, null, 2) }]
+})
+
+const kanbanStatusPrompt = pikkuMCPPromptFunc<void>(async ({ kysely }) => {
+  const cards = await kysely.selectFrom('kanbanCard').selectAll().execute()
+  const byStatus = cards.reduce<Record<string, number>>((acc, c) => {
+    acc[c.status] = (acc[c.status] ?? 0) + 1
+    return acc
+  }, {})
+  return [
+    {
+      role: 'user' as const,
+      content: {
+        type: 'text' as const,
+        text: `Board has ${cards.length} cards: ${JSON.stringify(byStatus)}. Summarise the state.`,
+      },
+    },
+  ]
+})
+
+wireMCPResource({
+  uri: 'kanban://cards',
+  title: 'Kanban Board Cards',
+  description: 'All cards currently on the kanban board',
+  func: kanbanCardsResource,
+  tags: ['kanban'],
+})
+
+wireMCPPrompt({
+  name: 'kanbanStatus',
+  description: 'Get a prompt summarising the current kanban board state',
+  func: kanbanStatusPrompt,
+  tags: ['kanban'],
+})