diff --git a/extensions/general/mcp-server/__tests__/bulk-book-inbox-dimensions.test.ts b/extensions/general/mcp-server/__tests__/bulk-book-inbox-dimensions.test.ts
new file mode 100644
index 00000000..afe8e727
--- /dev/null
+++ b/extensions/general/mcp-server/__tests__/bulk-book-inbox-dimensions.test.ts
@@ -0,0 +1,117 @@
+/**
+ * gnubok_bulk_book_inbox_items: shared dimensions bag.
+ *
+ * The bag resolves via the standard resolve-don't-select pass and is staged
+ * into the pending-operation params, from which the executor forwards it to
+ * bulkBookMatchedInboxItems (covered in
+ * lib/transactions/__tests__/categorize-core.bulk.test.ts).
+ */
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { tools } from '../server'
+import { eventBus } from '@/lib/events/bus'
+
+const bulkBookInbox = tools.find((t) => t.name === 'gnubok_bulk_book_inbox_items')!
+
+/** Per-table mock capturing insert payloads (same pattern as the payroll
+ * staged-tool tests). A single queued entry repeats for subsequent reads. */
+function makeCapturingSupabase(byTable: Record<string, { data?: unknown; error?: unknown } | Array<{ data?: unknown; error?: unknown }>>) {
+  const queues = new Map<string, Array<{ data?: unknown; error?: unknown }>>()
+  for (const [t, val] of Object.entries(byTable)) {
+    queues.set(t, Array.isArray(val) ? [...val] : [val])
+  }
+  const inserts: Record<string, unknown[]> = {}
+  const buildChain = (table: string): unknown => {
+    const handler: ProxyHandler<object> = {
+      get(_target, prop) {
+        if (prop === 'then') {
+          return (resolve: (v: unknown) => void) => {
+            const q = queues.get(table)
+            const next = q && q.length > 1 ? q.shift()! : (q?.[0] ?? { data: null, error: null })
+            resolve({ count: null, ...next })
+          }
+        }
+        return (...callArgs: unknown[]) => {
+          if (prop === 'insert') {
+            ;(inserts[table] ??= []).push(callArgs[0])
+          }
+          return buildChain(table)
+        }
+      },
+    }
+    return new Proxy({}, handler)
+  }
+  return { inserts, from: vi.fn((table: string) => buildChain(table)) }
+}
+
+beforeEach(() => {
+  vi.clearAllMocks()
+  eventBus.clear()
+})
+
+describe('gnubok_bulk_book_inbox_items: dimensions', () => {
+  it('stages the resolved bag in params and echoes it in the preview', async () => {
+    const supabaseMock = makeCapturingSupabase({
+      // Resolver: dimensions disabled → free-text passthrough. Also serves
+      // the period-status read at staging time.
+      company_settings: { data: { dimensions_enabled: false } },
+      invoice_inbox_items: {
+        data: [
+          { id: 'i1', matched_transaction_id: 'tx-1', created_journal_entry_id: null, created_supplier_invoice_id: null },
+        ],
+      },
+      transactions: { data: [{ id: 'tx-1', date: '2026-06-01', amount: -700, currency: 'SEK' }] },
+      fiscal_periods: { data: null },
+      pending_operations: { data: { id: 'op-inbox-dims' }, error: null },
+    })
+
+    const result = (await bulkBookInbox.execute(
+      {
+        item_ids: ['i1'],
+        category: 'expense_software',
+        dimensions: { '6': 'P001' },
+      },
+      'company-1',
+      'user-1',
+      supabaseMock as never,
+      { type: 'user' },
+    )) as { staged: boolean; preview: Record<string, unknown> }
+
+    expect(result.staged).toBe(true)
+    expect(result.preview.dimensions).toEqual({ '6': 'P001' })
+    const inserted = supabaseMock.inserts.pending_operations?.[0] as {
+      params: Record<string, unknown>
+    }
+    expect(inserted.params.dimensions).toEqual({ '6': 'P001' })
+  })
+
+  it('stages dimensions: null when no bag is supplied (persisted-optional contract)', async () => {
+    const supabaseMock = makeCapturingSupabase({
+      company_settings: { data: { dimensions_enabled: false } },
+      invoice_inbox_items: {
+        data: [
+          { id: 'i1', matched_transaction_id: 'tx-1', created_journal_entry_id: null, created_supplier_invoice_id: null },
+        ],
+      },
+      transactions: { data: [{ id: 'tx-1', date: '2026-06-01', amount: -700, currency: 'SEK' }] },
+      fiscal_periods: { data: null },
+      pending_operations: { data: { id: 'op-inbox-nodims' }, error: null },
+    })
+
+    const result = (await bulkBookInbox.execute(
+      { item_ids: ['i1'], category: 'expense_software' },
+      'company-1',
+      'user-1',
+      supabaseMock as never,
+      { type: 'user' },
+    )) as { staged: boolean; preview: Record<string, unknown> }
+
+    expect(result.staged).toBe(true)
+    expect(result.preview).not.toHaveProperty('dimensions')
+    const inserted = supabaseMock.inserts.pending_operations?.[0] as {
+      params: Record<string, unknown>
+    }
+    // BulkBookInboxSchema normalizes the persisted null back to undefined at
+    // commit time.
+    expect(inserted.params.dimensions).toBeNull()
+  })
+})
diff --git a/extensions/general/mcp-server/__tests__/payroll-staged-tools.test.ts b/extensions/general/mcp-server/__tests__/payroll-staged-tools.test.ts
index b0932893..b4231b91 100644
--- a/extensions/general/mcp-server/__tests__/payroll-staged-tools.test.ts
+++ b/extensions/general/mcp-server/__tests__/payroll-staged-tools.test.ts
@@ -325,6 +325,27 @@ describe('gnubok_create_employee', () => {
     expect(inserted.title).not.toContain(SAMPLE_PERSONNUMMER)
   })
 
+  it('stages default_dimensions on the employee (free-text passthrough while dims are off)', async () => {
+    const supabaseMock = makeCapturingSupabase({
+      // Serves BOTH the dimensions resolver (dimensions_enabled undefined →
+      // passthrough) and the entity-type preflight.
+      company_settings: { data: { entity_type: 'ab' } },
+      fiscal_periods: { data: null },
+      pending_operations: { data: { id: 'op-dims-emp' }, error: null },
+    })
+
+    const result = (await createEmployee.execute(
+      { ...validArgs, default_dimensions: { '1': 'KS1' } },
+      'company-1', 'user-1', supabaseMock as never, { type: 'user' },
+    )) as { staged: boolean }
+
+    expect(result.staged).toBe(true)
+    const inserted = supabaseMock.inserts.pending_operations?.[0] as {
+      params: Record<string, unknown>
+    }
+    expect(inserted.params.default_dimensions).toEqual({ '1': 'KS1' })
+  })
+
   it('rejects invalid input via CreateEmployeeSchema (missing salary)', async () => {
     const { supabase } = createQueuedMockSupabase()
     await expect(
@@ -377,6 +398,28 @@ describe('gnubok_update_employee', () => {
     expect(salaryChange).toEqual({ field: 'monthly_salary', from: 35000, to: 38000 })
   })
 
+  it('stages a default_dimensions patch, with {} as the clear-all-tags update', async () => {
+    const supabaseMock = makeCapturingSupabase({
+      employees: { data: { ...EXISTING, default_dimensions: { '1': 'KS1' } } },
+      fiscal_periods: { data: null },
+      company_settings: { data: null },
+      pending_operations: { data: { id: 'op-dims-emp2' }, error: null },
+    })
+
+    const result = (await updateEmployee.execute(
+      { employee_id: 'emp-1', default_dimensions: {} },
+      'company-1', 'user-1', supabaseMock as never, { type: 'user' },
+    )) as { staged: boolean; preview: { changes: Array<{ field: string; from: unknown; to: unknown }> } }
+
+    expect(result.staged).toBe(true)
+    const dimChange = result.preview.changes.find((c) => c.field === 'default_dimensions')
+    expect(dimChange).toEqual({ field: 'default_dimensions', from: { '1': 'KS1' }, to: {} })
+    const inserted = supabaseMock.inserts.pending_operations?.[0] as {
+      params: { patch: Record<string, unknown> }
+    }
+    expect(inserted.params.patch.default_dimensions).toEqual({})
+  })
+
   it('rejects personnummer changes at the tool boundary', async () => {
     const { supabase } = createQueuedMockSupabase()
     await expect(
diff --git a/extensions/general/mcp-server/__tests__/query-journal.test.ts b/extensions/general/mcp-server/__tests__/query-journal.test.ts
index a69b5fd7..118f91b6 100644
--- a/extensions/general/mcp-server/__tests__/query-journal.test.ts
+++ b/extensions/general/mcp-server/__tests__/query-journal.test.ts
@@ -405,6 +405,97 @@ describe('gnubok_query_journal: execute', () => {
     expect(result.applied_filters.group_by_dimension).toBe('6')
   })
 
+  it('include_dimensions returns each line\'s bag with an empty-object fallback', async () => {
+    const tool = tools.find((t) => t.name === 'gnubok_query_journal')!
+    const rows = [
+      { ...makeLineRow({ id: 'l1', account_number: '4010', debit_amount: 100 }), dimensions: { '6': 'P001' } },
+      { ...makeLineRow({ id: 'l2', account_number: '5010', debit_amount: 50 }), dimensions: null },
+    ]
+    const { supabase } = makeEntryLinesMock(rows)
+
+    const result = (await tool.execute(
+      { include_dimensions: true, limit: 100 },
+      'company-1',
+      'user-1',
+      supabase,
+    )) as { lines: Array<{ line_id: string; dimensions?: Record<string, string> }> }
+
+    const byId = new Map(result.lines.map((l) => [l.line_id, l]))
+    expect(byId.get('l1')?.dimensions).toEqual({ '6': 'P001' })
+    expect(byId.get('l2')?.dimensions).toEqual({})
+  })
+
+  it('omits the dimensions key from lines by default (width guard)', async () => {
+    const tool = tools.find((t) => t.name === 'gnubok_query_journal')!
+    const rows = [
+      { ...makeLineRow({ id: 'l1', account_number: '4010', debit_amount: 100 }), dimensions: { '6': 'P001' } },
+    ]
+    const { supabase } = makeEntryLinesMock(rows)
+
+    const result = (await tool.execute(
+      { limit: 100 },
+      'company-1',
+      'user-1',
+      supabase,
+    )) as { lines: Array<Record<string, unknown>> }
+
+    expect(result.lines[0]).not.toHaveProperty('dimensions')
+  })
+
+  it('applies the dimensions bag filter via jsonb containment and echoes it', async () => {
+    const tool = tools.find((t) => t.name === 'gnubok_query_journal')!
+    // Table-aware chain mock recording .contains calls: company_settings
+    // (resolver, dimensions disabled → free-text passthrough), then the
+    // two-step entry-lines fetch.
+    const containsCalls: Array<{ column: string; value: unknown }> = []
+    const row = { ...makeLineRow({ id: 'l1', debit_amount: 100 }), dimensions: { '6': 'P001' } }
+    const entryParent = row.journal_entries
+    const bareLine = { ...row, journal_entries: undefined, journal_entry_id: entryParent.id }
+    const chain = (data: unknown): unknown =>
+      new Proxy(
+        {},
+        {
+          get(_t, prop) {
+            if (prop === 'then') {
+              return (resolve: (v: unknown) => void) =>
+                resolve({ data, error: null, count: Array.isArray(data) ? data.length : null })
+            }
+            if (prop === 'range') return () => ({ data, error: null, count: Array.isArray(data) ? data.length : null })
+            if (prop === 'contains') {
+              return (column: string, value: unknown) => {
+                containsCalls.push({ column, value })
+                return chain(data)
+              }
+            }
+            return () => chain(data)
+          },
+        },
+      )
+    const supabase = {
+      from: vi.fn().mockImplementation((table: string) => {
+        if (table === 'company_settings') return chain({ dimensions_enabled: false })
+        if (table === 'journal_entries') return chain([entryParent])
+        return chain([bareLine])
+      }),
+    } as never
+
+    const result = (await tool.execute(
+      { dimensions: { '6': 'P001' }, limit: 100 },
+      'company-1',
+      'user-1',
+      supabase,
+    )) as {
+      dimension_filter?: Record<string, string>
+      applied_filters: { dimensions: Record<string, string> | null }
+      lines: Array<{ line_id: string }>
+    }
+
+    expect(containsCalls).toContainEqual({ column: 'dimensions', value: { '6': 'P001' } })
+    expect(result.dimension_filter).toEqual({ '6': 'P001' })
+    expect(result.applied_filters.dimensions).toEqual({ '6': 'P001' })
+    expect(result.lines).toHaveLength(1)
+  })
+
   it('rejects a non-numeric group_by_dimension', async () => {
     const tool = tools.find((t) => t.name === 'gnubok_query_journal')!
     const supabase = makeChainMock([], 0)
diff --git a/extensions/general/mcp-server/recommended-tools.ts b/extensions/general/mcp-server/recommended-tools.ts
index 123a1272..83b0bef0 100644
--- a/extensions/general/mcp-server/recommended-tools.ts
+++ b/extensions/general/mcp-server/recommended-tools.ts
@@ -45,6 +45,9 @@ export const RECOMMENDED_WORKFLOW_LOADOUTS: readonly WorkflowLoadout[] = [
       'gnubok_suggest_categories',
       'gnubok_categorize_transaction',
       'gnubok_match_transaction_to_invoice',
+      // Tagging: check the registry before writing dimensions bags on
+      // categorize calls (resolve-don't-select needs real codes/names).
+      'gnubok_list_dimensions',
       'gnubok_load_skill',
       'gnubok_approve_pending_operation',
     ],
@@ -71,6 +74,9 @@ export const RECOMMENDED_WORKFLOW_LOADOUTS: readonly WorkflowLoadout[] = [
       'gnubok_list_customers',
       'gnubok_create_customer',
       'gnubok_list_articles',
+      // Tagging: invoices carry default_dimensions + per-item bags; check the
+      // registry before setting them on gnubok_create_invoice.
+      'gnubok_list_dimensions',
       'gnubok_create_invoice',
       'gnubok_send_invoice',
       'gnubok_mark_invoice_as_sent',
diff --git a/extensions/general/mcp-server/server.ts b/extensions/general/mcp-server/server.ts
index a7814c87..041021a1 100644
--- a/extensions/general/mcp-server/server.ts
+++ b/extensions/general/mcp-server/server.ts
@@ -3869,7 +3869,7 @@ export const tools: McpTool[] = [
   {
     name: 'gnubok_categorize_transaction',
     title: 'Categorize Bank Transaction',
-    description: 'Categorize a bank transaction. Stages the verifikat — cost line booked NET of moms, bank line gross; preview.lines shows the exact entry. Commit via gnubok_approve_pending_operation. vat_amount overrides computed moms; reverse_charge rejected when the underlag shows seller VAT.',
+    description: 'Categorize a bank transaction. Stages the verifikat: cost line NET of moms, bank line gross; dimensions bag tags the cost line. vat_amount overrides computed moms; reverse_charge rejected when the underlag shows seller VAT. Commit via gnubok_approve_pending_operation.',
     inputSchema: {
       type: 'object',
       additionalProperties: false,
@@ -4539,7 +4539,7 @@ export const tools: McpTool[] = [
 
       let query = supabase
         .from('invoices')
-        .select('id, invoice_number, status, customer_id, total, currency, invoice_date, due_date, document_type, customers(name)', { count: 'exact' })
+        .select('id, invoice_number, status, customer_id, total, currency, invoice_date, due_date, document_type, default_dimensions, customers(name)', { count: 'exact' })
         .eq('company_id', companyId)
 
       if (status) {
@@ -4562,6 +4562,7 @@ export const tools: McpTool[] = [
         invoice_date: inv.invoice_date,
         due_date: inv.due_date,
         document_type: inv.document_type,
+        default_dimensions: inv.default_dimensions ?? {},
       }))
 
       return {
@@ -5721,7 +5722,7 @@ export const tools: McpTool[] = [
 
       let query = supabase
         .from('supplier_invoices')
-        .select('id, supplier_invoice_number, invoice_date, due_date, status, total, total_sek, currency, vat_treatment, remaining_amount, supplier:suppliers(id, name)')
+        .select('id, supplier_invoice_number, invoice_date, due_date, status, total, total_sek, currency, vat_treatment, remaining_amount, default_dimensions, supplier:suppliers(id, name)')
         .eq('company_id', companyId)
 
       if (status !== 'all') {
@@ -7021,7 +7022,7 @@ export const tools: McpTool[] = [
   {
     name: 'gnubok_query_journal',
     title: 'Query Journal Lines',
-    description: "Flexible journal-line query for ad-hoc questions. Filters: account, date, amount, voucher series/number, source type, status, project, cost center, free-text. Optional group_by aggregation. Returns lines + totals over the full match set (see totals_scope).",
+    description: "Flexible journal-line query for ad-hoc questions. Filters: account, date, amount, voucher, source, status, dimensions bag, free-text. group_by/group_by_dimension aggregation; include_dimensions returns each line's bag. Lines + totals over the full match set (totals_scope).",
     inputSchema: {
       type: 'object',
       additionalProperties: false,
@@ -7039,8 +7040,17 @@ export const tools: McpTool[] = [
         voucher_number_to: { type: 'number', description: 'Highest voucher number (inclusive)' },
         source_type: { type: 'string', description: 'Filter by source: bank_transaction, invoice_created, supplier_invoice, currency_revaluation, year_end, opening_balance, etc.' },
         status: { type: 'string', enum: ['posted', 'reversed', 'all'], description: 'Default: posted' },
-        project: { type: 'string', description: 'Filter by project code' },
-        cost_center: { type: 'string', description: 'Filter by cost center' },
+        project: { type: 'string', description: 'Filter by project code (SIE dim 6)' },
+        cost_center: { type: 'string', description: 'Filter by cost center (SIE dim 1)' },
+        dimensions: {
+          type: 'object',
+          additionalProperties: { type: 'string' },
+          description: 'Filter: SIE dim no → value (code OR name, resolved server-side), e.g. {"6":"P001"}. Containment match; covers custom dims unlike project/cost_center.',
+        },
+        include_dimensions: {
+          type: 'boolean',
+          description: "Return each line's dimensions bag (default false).",
+        },
         group_by: { type: 'string', enum: ['account_number', 'voucher_series', 'source_type', 'cost_center', 'project'], description: 'Aggregate matching lines into groups by this field. Mutually exclusive with group_by_dimension.' },
         group_by_dimension: { type: 'string', description: 'Aggregate by SIE dimension number (e.g. "6" = projekt) from each line\'s dimensions bag; untagged → "(utan dimension)". Mutually exclusive with group_by.' },
         limit: { type: 'number', minimum: 1, maximum: 500, description: 'Max lines returned 1-500 (default 100). Totals/groups cover the FULL match set even when truncated, except under free-text search (see totals_scope).' },
@@ -7084,6 +7094,7 @@ export const tools: McpTool[] = [
           description: 'Present when group_by/group_by_dimension is set; sorted by |net| desc. Scope follows totals_scope.',
         },
         applied_filters: { type: 'object' },
+        ...DIMENSION_FILTER_OUTPUT_PROPS,
       },
       required: ['lines', 'total_lines', 'returned_lines', 'totals', 'totals_scope'],
     },
@@ -7112,6 +7123,10 @@ export const tools: McpTool[] = [
       const sourceType = args.source_type as string | undefined
       const project = args.project as string | undefined
       const costCenter = args.cost_center as string | undefined
+      const includeDimensions = args.include_dimensions === true
+      // Resolve-don't-select: value NAMES resolve to registry codes; the
+      // containment filter then hits the GIN index on the jsonb bag.
+      const dimFilter = await resolveReportDimensionFilter(supabase, companyId, args.dimensions)
 
       const GROUP_BY_FIELDS = ['account_number', 'voucher_series', 'source_type', 'cost_center', 'project'] as const
       const groupBy = args.group_by as (typeof GROUP_BY_FIELDS)[number] | undefined
@@ -7133,9 +7148,10 @@ export const tools: McpTool[] = [
       }
       const wantsGroups = Boolean(groupBy || groupByDimension)
 
-      // The dimensions jsonb only rides along when a group needs it: it is
+      // The dimensions jsonb only rides along when something needs it (a
+      // dimension group, the bag filter's echo, or include_dimensions): it is
       // the widest column on the line and the aggregate pass fetches ALL rows.
-      const dimsSelect = groupByDimension ? ', dimensions' : ''
+      const dimsSelect = groupByDimension || includeDimensions || dimFilter.filter ? ', dimensions' : ''
       // Free-text legs only. The embed survives here on purpose: each leg is
       // capped at `legLimit` rows, and that cap (which drives legCapHit and
       // the `truncated` signal) has no equivalent in the two-step fetch,
@@ -7183,6 +7199,7 @@ export const tools: McpTool[] = [
 
         if (project) q = q.eq('project', project)
         if (costCenter) q = q.eq('cost_center', costCenter)
+        if (dimFilter.filter) q = q.contains('dimensions', dimFilter.filter)
 
         return q
       }
@@ -7213,6 +7230,7 @@ export const tools: McpTool[] = [
         }
         if (project) l = l.eq('project', project)
         if (costCenter) l = l.eq('cost_center', costCenter)
+        if (dimFilter.filter) l = l.contains('dimensions', dimFilter.filter)
         return l
       }
 
@@ -7420,6 +7438,7 @@ export const tools: McpTool[] = [
           line_description: r.line_description,
           project: r.project,
           cost_center: r.cost_center,
+          ...(includeDimensions ? { dimensions: r.dimensions ?? {} } : {}),
           currency: r.currency,
         }
       })
@@ -7508,9 +7527,12 @@ export const tools: McpTool[] = [
           status,
           project: project ?? null,
           cost_center: costCenter ?? null,
+          dimensions: dimFilter.filter ?? null,
           group_by: groupBy ?? null,
           group_by_dimension: groupByDimension ?? null,
         },
+        ...(dimFilter.filter ? { dimension_filter: dimFilter.filter } : {}),
+        ...(dimFilter.resolutions.length > 0 ? { dimension_resolutions: dimFilter.resolutions } : {}),
       }
     },
   },
@@ -8245,6 +8267,11 @@ export const tools: McpTool[] = [
         vat_amount: { type: 'number', exclusiveMinimum: 0, description: "The underlag's exact moms override; only valid with a rate-based vat_treatment. Rarely needed in bulk: all items share one value." },
         notes: { type: 'string', description: 'Audit-trail note appended to every verifikation. Keep under 200 chars.' },
         allow_duplicate: { type: 'boolean', description: 'Override the per-item duplicate-booking guard (default false). Set true only after the user confirms these bank lines are genuinely separate events.' },
+        dimensions: {
+          type: 'object',
+          additionalProperties: { type: 'string' },
+          description: 'Shared dims bag {sie_dim_no: kod eller namn} applied to the business lines of every verifikat. Unknown values rejected: never auto-created.',
+        },
       },
       required: ['item_ids', 'category'],
     },
@@ -8265,6 +8292,15 @@ export const tools: McpTool[] = [
         ? args.notes.trim()
         : undefined
 
+      // Resolve-don't-select: codes AND natural-language names resolve against
+      // the registry; the staged params carry only resolved codes.
+      const { bags: resolvedDimBags, resolutions: dimensionResolutions } = await resolveDimensionBags(
+        supabase,
+        companyId,
+        [parseDimensionsArg(args.dimensions, 'dimensions')],
+      )
+      const resolvedDimensions = resolvedDimBags[0]
+
       // Pre-flight: classify the selection so the preview (and the agent) sees
       // the real shape before staging. Tenant isolation via company_id.
       const { data: items, error } = await supabase
@@ -8323,6 +8359,9 @@ export const tools: McpTool[] = [
           vat_amount: vatAmount ?? null,
           notes: notes ?? null,
           allow_duplicate: args.allow_duplicate === true,
+          dimensions: resolvedDimensions && Object.keys(resolvedDimensions).length > 0
+            ? resolvedDimensions
+            : null,
         },
         {
           item_count: itemIds.length,
@@ -8334,6 +8373,12 @@ export const tools: McpTool[] = [
           total_sek: Math.round(totalSek * 100) / 100,
           category: args.category,
           vat_treatment: args.vat_treatment ?? null,
+          ...(resolvedDimensions && Object.keys(resolvedDimensions).length > 0
+            ? { dimensions: resolvedDimensions }
+            : {}),
+          // Echoed for every non-exact dimension resolution (resolve-don't-
+          // select) so the agent can verify what a name attached to.
+          ...(dimensionResolutions.length > 0 ? { dimension_resolutions: dimensionResolutions } : {}),
         },
         actor,
         {
@@ -11194,12 +11239,29 @@ export const tools: McpTool[] = [
         jamkning_percentage: { type: 'number' },
         jamkning_valid_from: { type: 'string' },
         jamkning_valid_to: { type: 'string' },
+        default_dimensions: {
+          type: 'object',
+          additionalProperties: { type: 'string' },
+          description: 'Dims bag {sie_dim_no: kod eller namn} tagging this employee\'s salary cost lines on every run. Never auto-created.',
+        },
       },
       required: ['first_name', 'last_name', 'personnummer', 'employment_start'],
     },
     outputSchema: STAGED_OPERATION_SCHEMA,
     annotations: { readOnlyHint: false, destructiveHint: false, idempotentHint: false, openWorldHint: false },
     async execute(args, companyId, userId, supabase, actor) {
+      // Resolve-don't-select BEFORE schema validation: the bag may carry
+      // registry value NAMES, which the strict DimensionsBagSchema inside
+      // CreateEmployeeSchema would reject.
+      const { bags: employeeDimBags } = await resolveDimensionBags(
+        supabase,
+        companyId,
+        [parseDimensionsArg(args.default_dimensions, 'default_dimensions')],
+      )
+      if (args.default_dimensions !== undefined) {
+        args = { ...args, default_dimensions: employeeDimBags[0] ?? {} }
+      }
+
       const { CreateEmployeeSchema } = await import('@/lib/api/schemas')
       const parsed = CreateEmployeeSchema.safeParse(args)
       if (!parsed.success) {
@@ -11290,6 +11352,11 @@ export const tools: McpTool[] = [
         jamkning_percentage: { type: ['number', 'null'], description: 'null clears the beslut' },
         jamkning_valid_from: { type: ['string', 'null'] },
         jamkning_valid_to: { type: ['string', 'null'] },
+        default_dimensions: {
+          type: 'object',
+          additionalProperties: { type: 'string' },
+          description: 'Dims bag {sie_dim_no: kod eller namn} tagging salary cost lines. Replaces the whole bag; {} clears all tags. Omit to keep.',
+        },
       },
       required: ['employee_id'],
     },
@@ -11302,6 +11369,17 @@ export const tools: McpTool[] = [
         throw new Error('personnummer cannot be changed: identity is immutable post-create')
       }
 
+      // Resolve-don't-select: names resolve to registry codes; an explicit {}
+      // stays {} (the clear-all-tags update).
+      if (rest.default_dimensions !== undefined) {
+        const { bags: employeeDimBags } = await resolveDimensionBags(
+          supabase,
+          companyId,
+          [parseDimensionsArg(rest.default_dimensions, 'default_dimensions')],
+        )
+        rest.default_dimensions = employeeDimBags[0] ?? {}
+      }
+
       const patch: Record<string, unknown> = {}
       for (const [key, value] of Object.entries(rest)) {
         if (value !== undefined) patch[key] = value
@@ -12937,7 +13015,7 @@ export const tools: McpTool[] = [
   {
     name: 'gnubok_update_invoice',
     title: 'Update Draft Invoice',
-    description: 'Stage an edit to a DRAFT invoice: header fields and/or items (items = FULL REPLACE of all lines). Only editable drafts: no verifikat, not self-billed, not a credit note. Sent/paid invoices need gnubok_credit_invoice. Find invoice_id with gnubok_list_invoices.',
+    description: 'Stage an edit to a DRAFT invoice: header fields (incl. default_dimensions) and/or items (items = FULL REPLACE). Drafts only: no verifikat, not self-billed, not a credit note. Sent/paid invoices need gnubok_credit_invoice. Find invoice_id with gnubok_list_invoices.',
     outputSchema: STAGED_OPERATION_SCHEMA,
     inputSchema: {
       type: 'object',
@@ -13332,7 +13410,7 @@ export const tools: McpTool[] = [
   {
     name: 'gnubok_create_voucher',
     title: 'Create Manual Voucher (Verifikation)',
-    description: 'Stage a manual verifikation with arbitrary balanced lines: capitalization (1010), accruals, FX adjustments, rättelser outside categorize_transaction. Pass inbox_item_id to book a kvitto direct. HIGH risk.',
+    description: 'Stage a manual verifikation with arbitrary balanced lines: capitalization (1010), accruals, FX adjustments, rättelser outside categorize_transaction. Lines accept dimensions bags {sie_dim_no: code or name}. Pass inbox_item_id to book a kvitto direct. HIGH risk.',
     inputSchema: {
       type: 'object',
       additionalProperties: false,
@@ -13602,7 +13680,7 @@ export const tools: McpTool[] = [
   {
     name: 'gnubok_correct_entry',
     title: 'Correct Posted Entry (Rättelse)',
-    description: 'Stage a rättelse for a posted verifikation per BFL 5 kap 5§: storno + corrected entry in the original period (never in-place edit). Use for partial fixes like 2641 → 2614/2645. Account drives ruta. HIGH risk.',
+    description: 'Stage a rättelse for a posted verifikation per BFL 5 kap 5§: storno + corrected entry in the original period (never in-place edit). Use for partial fixes like 2641 → 2614/2645; lines accept dimensions bags. Account drives ruta. HIGH risk.',
     inputSchema: {
       type: 'object',
       additionalProperties: false,
diff --git a/lib/api/schemas.ts b/lib/api/schemas.ts
index 2e93d5cc..cbf8d7d8 100644
--- a/lib/api/schemas.ts
+++ b/lib/api/schemas.ts
@@ -1376,6 +1376,10 @@ export const BulkBookInboxSchema = z.object({
   vat_amount: z.number().positive().nullish().transform((v) => v ?? undefined),
   notes: z.string().max(2000).nullish().transform((v) => v ?? undefined),
   allow_duplicate: z.boolean().nullish().transform((v) => v ?? undefined),
+  // Shared dimensions bag applied to the business lines of every generated
+  // verifikat (same semantics as single categorize). nullish for the same
+  // staged-params reason as the fields above.
+  dimensions: DimensionsBagSchema.nullish().transform((v) => v ?? undefined),
 })
 export type BulkBookInboxInput = z.infer<typeof BulkBookInboxSchema>
 
diff --git a/lib/transactions/__tests__/categorize-core.bulk.test.ts b/lib/transactions/__tests__/categorize-core.bulk.test.ts
index 907ec67e..ab69f231 100644
--- a/lib/transactions/__tests__/categorize-core.bulk.test.ts
+++ b/lib/transactions/__tests__/categorize-core.bulk.test.ts
@@ -101,6 +101,7 @@ describe('BulkBookInboxSchema', () => {
       vat_amount: null,
       notes: null,
       allow_duplicate: false,
+      dimensions: null,
     })
     expect(r.success).toBe(true)
     if (r.success) {
@@ -108,9 +109,28 @@ describe('BulkBookInboxSchema', () => {
       expect(r.data.vat_treatment).toBeUndefined()
       expect(r.data.vat_amount).toBeUndefined()
       expect(r.data.notes).toBeUndefined()
+      expect(r.data.dimensions).toBeUndefined()
     }
   })
 
+  it('accepts a shared dimensions bag and rejects a malformed one', () => {
+    const ok = BulkBookInboxSchema.safeParse({
+      item_ids: ['11111111-1111-4111-8111-111111111111'],
+      category: 'expense_software',
+      dimensions: { '6': 'P001' },
+    })
+    expect(ok.success).toBe(true)
+    if (ok.success) expect(ok.data.dimensions).toEqual({ '6': 'P001' })
+
+    const bad = BulkBookInboxSchema.safeParse({
+      item_ids: ['11111111-1111-4111-8111-111111111111'],
+      category: 'expense_software',
+      // Key must be a SIE dim number: 'projekt' is not.
+      dimensions: { projekt: 'P001' },
+    })
+    expect(bad.success).toBe(false)
+  })
+
   it('rejects an empty item_ids array', () => {
     const r = BulkBookInboxSchema.safeParse({ item_ids: [], category: 'expense_software' })
     expect(r.success).toBe(false)
@@ -227,6 +247,47 @@ describe('bulkBookMatchedInboxItems: booking', () => {
     )
   })
 
+  it('forwards the shared dimensions bag onto every booked mapping result', async () => {
+    // Fresh mapping object per call: the core mutates it in place, and a
+    // shared fixture would leak dimensions across tests.
+    mockMapping.mockImplementation(() => ({
+      rule: null,
+      debit_account: '5420',
+      credit_account: '1930',
+      risk_level: 'LOW',
+      confidence: 1,
+      requires_review: false,
+      default_private: false,
+      vat_lines: [],
+      description: 'Programvara',
+    }))
+    const supabase = queuedSupabase([
+      { data: { id: 'i1', matched_transaction_id: 'tx-1', created_journal_entry_id: null, created_supplier_invoice_id: null } },
+      { data: { id: 'tx-1', date: '2026-06-01', amount: -700, currency: 'SEK', cash_account_id: null, journal_entry_id: null } },
+      { data: { entity_type: 'aktiebolag', fiscal_year_start_month: 1 } },
+      { data: [{ id: 'fp-1' }] },
+      { error: null },
+      { data: [] },
+    ])
+
+    const { booked, skipped } = await bulkBookMatchedInboxItems(supabase, 'u1', 'c1', {
+      item_ids: ['i1'],
+      category: 'expense_software',
+      dimensions: { '6': 'P001' },
+    })
+
+    expect(skipped).toEqual([])
+    expect(booked).toHaveLength(1)
+    expect(mockCreateJE).toHaveBeenCalledWith(
+      expect.anything(),
+      'c1',
+      'u1',
+      expect.objectContaining({ id: 'tx-1' }),
+      expect.objectContaining({ dimensions: { '6': 'P001' } }),
+      undefined,
+    )
+  })
+
   it('books the matched item and skips the unmatched one in a mixed batch', async () => {
     const supabase = queuedSupabase([
       // item i1 → not matched (1 from())
diff --git a/lib/transactions/categorize-core.ts b/lib/transactions/categorize-core.ts
index 156fd882..fd25f092 100644
--- a/lib/transactions/categorize-core.ts
+++ b/lib/transactions/categorize-core.ts
@@ -447,6 +447,11 @@ export interface BulkBookInboxInput {
   vat_amount?: number
   notes?: string
   allow_duplicate?: boolean
+  /**
+   * Shared dimensions bag applied to the business lines of every generated
+   * verifikat in the batch (same semantics as single categorize).
+   */
+  dimensions?: Record<string, string>
 }
 
 export interface BulkBookInboxResult {
@@ -471,7 +476,7 @@ export async function bulkBookMatchedInboxItems(
   companyId: string,
   input: BulkBookInboxInput,
 ): Promise<BulkBookInboxResult> {
-  const { item_ids, category, vat_treatment, vat_amount, notes, allow_duplicate } = input
+  const { item_ids, category, vat_treatment, vat_amount, notes, allow_duplicate, dimensions } = input
 
   const booked: BulkBookInboxResult['booked'] = []
   const skipped: BulkBookInboxResult['skipped'] = []
@@ -516,7 +521,7 @@ export async function bulkBookMatchedInboxItems(
         userId,
         companyId,
         item.matched_transaction_id as string,
-        { category, vatTreatment: vat_treatment, vatAmount: vat_amount, notes, allowDuplicate: allow_duplicate },
+        { category, vatTreatment: vat_treatment, vatAmount: vat_amount, notes, allowDuplicate: allow_duplicate, dimensions },
         // Snapshot copies so the guard sees only the prior bookings of this batch.
         { excludeTransactionIds: [...bookedTransactionIds], excludeJournalEntryIds: [...bookedJournalEntryIds] },
       )