diff --git a/packages/agoric-cli/src/commands/inter.js b/packages/agoric-cli/src/commands/inter.js
index 74cd92cda85..5903a97d232 100644
--- a/packages/agoric-cli/src/commands/inter.js
+++ b/packages/agoric-cli/src/commands/inter.js
@@ -107,7 +107,7 @@ const makeFormatters = assets => {
  * Dynamic check that an OfferStatus is also a BidSpec.
  *
  * @param {import('@agoric/smart-wallet/src/offers.js').OfferStatus} offerStatus
- * @param {Awaited<ReturnType<import('../lib/rpc').makeAgoricNames>>} agoricNames
+ * @param {import('../lib/wallet.js').AgoricNamesRemotes} agoricNames
  * @param {typeof console.warn} warn
  * returns null if offerStatus is not a BidSpec
  */
diff --git a/packages/agoric-cli/src/commands/test-upgrade.js b/packages/agoric-cli/src/commands/test-upgrade.js
index 39e76fc8fee..f530b05dd12 100644
--- a/packages/agoric-cli/src/commands/test-upgrade.js
+++ b/packages/agoric-cli/src/commands/test-upgrade.js
@@ -82,7 +82,13 @@ export const makeTestCommand = (
           publicInvitationMaker: 'makeInvitation',
         },
         proposal: {
-          want: { Tokens: { brand: agoricNames.brand.GoodStuff, value: 32n } },
+          want: {
+            Tokens: {
+              // @ts-expect-error BoardRemote not a Brand object
+              brand: agoricNames.brand.GoodStuff,
+              value: 32n,
+            },
+          },
         },
       };
       const result = await sendAction(
diff --git a/packages/agoric-cli/src/lib/format.js b/packages/agoric-cli/src/lib/format.js
index 9239c5842bc..7d24ea7c5ae 100644
--- a/packages/agoric-cli/src/lib/format.js
+++ b/packages/agoric-cli/src/lib/format.js
@@ -1,10 +1,8 @@
 // @ts-check
-import { makeBoardRemote } from '@agoric/vats/tools/board-utils.js';
-// eslint-disable-next-line no-unused-vars -- typeof below
-import { makeAgoricNames } from './rpc.js';
 
 // ambient types
 import '@agoric/ertp/src/types-ambient.js';
+import { makeBoardRemote } from '@agoric/vats/tools/board-utils.js';
 
 /** @typedef {import('@agoric/vats/tools/board-utils.js').BoardRemote} BoardRemote */
 
@@ -30,16 +28,15 @@ export const Natural = str => {
  */
 export const bigintReplacer = (k, v) => (typeof v === 'bigint' ? `${v}` : v);
 
-/** @type {import('@agoric/vats/tools/board-utils.js').VBankAssetDetail} */
+/** @type {Partial<import('@agoric/vats/tools/board-utils.js').VBankAssetDetail>} */
 // eslint-disable-next-line no-unused-vars
 const exampleAsset = {
-  // @ts-expect-error cast
   brand: makeBoardRemote({ boardId: 'board0425', iface: 'Alleged: BLD brand' }),
   displayInfo: { assetKind: 'nat', decimalPlaces: 6 },
-  // @ts-expect-error cast
   issuer: makeBoardRemote({ boardId: null, iface: undefined }),
-  petname: 'Agoric staking token',
+  proposedName: 'Agoric staking token',
 };
+
 /** @typedef {import('@agoric/vats/tools/board-utils.js').VBankAssetDetail } AssetDescriptor */
 
 /**
@@ -122,7 +119,7 @@ export const fmtRecordOfLines = record => {
  * Summarize the offerStatuses of the state as user-facing informative tuples
  *
  * @param {import('@agoric/smart-wallet/src/utils.js').CoalescedWalletState} state
- * @param {Awaited<ReturnType<typeof makeAgoricNames>>} agoricNames
+ * @param {import('./wallet.js').AgoricNamesRemotes} agoricNames
  */
 export const offerStatusTuples = (state, agoricNames) => {
   const { offerStatuses } = state;
@@ -179,7 +176,7 @@ export const offerStatusTuples = (state, agoricNames) => {
 /**
  * @param {import('@agoric/smart-wallet/src/smartWallet').CurrentWalletRecord} current
  * @param {ReturnType<import('@agoric/smart-wallet/src/utils.js').makeWalletStateCoalescer>['state']} coalesced
- * @param {Awaited<ReturnType<typeof makeAgoricNames>>} agoricNames
+ * @param {import('./wallet.js').AgoricNamesRemotes} agoricNames
  */
 export const summarize = (current, coalesced, agoricNames) => {
   return {
diff --git a/packages/inter-protocol/src/clientSupport.js b/packages/inter-protocol/src/clientSupport.js
index 26cf145f149..9ab281765d2 100644
--- a/packages/inter-protocol/src/clientSupport.js
+++ b/packages/inter-protocol/src/clientSupport.js
@@ -9,8 +9,6 @@ import { parseRatio } from '@agoric/zoe/src/contractSupport/ratio.js';
 const COSMOS_UNIT = 1_000_000n;
 const scaleDecimals = num => BigInt(num * Number(COSMOS_UNIT));
 
-// TODO use '@satisfies" in TS 5.1 to make sure these each conform to OfferMaker interface
-
 // NB: not really a Proposal because the brands are not remotes
 // Instead they're copyRecord like  "{"boardId":"board0257","iface":"Alleged: IST brand"}" to pass through the boardId
 // mustMatch(harden(proposal), ProposalShape);
@@ -143,11 +141,10 @@ export const lookupOfferIdForVault = async (vaultId, currentP) => {
 };
 
 /**
- * @param {Record<string, Brand>} brands
+ * @param {Record<string, import('@agoric/internal/src/marshal.js').BoardRemote>} brands
  * @param {({ wantMinted: number, giveMinted?: undefined } | { giveMinted: number, wantMinted?: undefined })} opts
- * @param {number} [fee=0]
+ * @param {number} [fee]
  * @param {string} [anchor]
- * @returns {Proposal} XXX not a real proposal, uses BoardRemote
  */
 const makePsmProposal = (brands, opts, fee = 0, anchor = 'AUSD') => {
   const giving = 'giveMinted' in opts ? 'minted' : 'anchor';
@@ -202,15 +199,13 @@ const makePsmSwapOffer = ({ brand }, instance, opts) => {
       instance,
       publicInvitationMaker: method,
     },
+    // @ts-expect-error BoardRemote not a Brand object
     proposal,
   };
 };
 
 /**
- * @param {{
- *   brand: Record<string, Brand>,
- *   vbankAsset: Record<string, { brand: Brand, displayInfo: DisplayInfo }>,
- * }} agoricNames
+ * @param {Pick<import('@agoric/vats/tools/board-utils.js').AgoricNamesRemotes, 'brand' | 'vbankAsset'>} agoricNames
  * @param {(msg: string) => Error} makeError error constructor
  * @returns {(a: string) => Amount<'nat'>}
  */
@@ -329,6 +324,7 @@ const makeAddCollateralOffer = ({ brand }, opts) => {
   /** @type {AmountKeywordRecord} */
   const give = {
     Collateral: AmountMath.make(
+      // @ts-expect-error BoardRemote not a Brand object
       brand[opts.collateralBrandKey],
       scaleDecimals(opts.give),
     ),
@@ -373,6 +369,9 @@ const makePushPriceOffer = (_agoricNames, opts, previousOffer) => {
   };
 };
 
+/**
+ * @satisfies {Record<string, Record<string, import('@agoric/smart-wallet/src/types.js').OfferMaker>>}
+ */
 export const Offers = {
   auction: {
     Bid: makeBidOffer,
diff --git a/packages/inter-protocol/test/test-clientSupport.js b/packages/inter-protocol/test/test-clientSupport.js
index f330baf4f46..0e5678addea 100644
--- a/packages/inter-protocol/test/test-clientSupport.js
+++ b/packages/inter-protocol/test/test-clientSupport.js
@@ -8,19 +8,17 @@ import { withAmountUtils } from './supports.js';
 const ist = withAmountUtils(makeIssuerKit('IST'));
 const atom = withAmountUtils(makeIssuerKit('ATOM'));
 
-const brands = {
-  IST: ist.brand,
-  ATOM: atom.brand,
-};
-
-// XXX use @satisfies
-/** @type {import('@agoric/vats/tools/board-utils.js').AgoricNamesRemotes} */
-const agoricNames = /** @type {any} */ ({
-  brand: brands,
+// uses actual Brand objects instead of BoardRemote to make the test output more legible
+/** @satisfies {Partial<import('@agoric/vats/tools/board-utils.js').AgoricNamesRemotes>} */
+const agoricNames = {
+  brand: {
+    IST: /** @type {any} */ (ist.brand),
+    ATOM: /** @type {any} */ (atom.brand),
+  },
   vbankAsset: {
     uist: {
       denom: 'uist',
-      brand: ist.brand,
+      brand: /** @type {any} */ (ist.brand),
       displayInfo: { assetKind: 'nat', decimalPlaces: 6 },
       issuer: /** @type {any} */ ({}),
       issuerName: 'IST',
@@ -28,14 +26,14 @@ const agoricNames = /** @type {any} */ ({
     },
     'ibc/toyatom': {
       denom: 'ibc/toyatom',
-      brand: atom.brand,
+      brand: /** @type {any} */ (atom.brand),
       displayInfo: { assetKind: 'nat', decimalPlaces: 6 },
       issuer: /** @type {any} */ ({}),
       issuerName: 'ATOM',
       proposedName: 'ATOM',
     },
   },
-});
+};
 
 test('Offers.auction.Bid', async t => {
   const discounts = [
diff --git a/packages/vats/tools/board-utils.js b/packages/vats/tools/board-utils.js
index 05c32a5e105..8c22af16f64 100644
--- a/packages/vats/tools/board-utils.js
+++ b/packages/vats/tools/board-utils.js
@@ -1,17 +1,17 @@
 // @ts-check
 /**
  * @typedef {{
- *   brand: import('@agoric/internal/src/marshal.js').BoardRemote & Brand,
+ *   brand: import('@agoric/internal/src/marshal.js').BoardRemote,
  *   denom: string,
  *   displayInfo: DisplayInfo,
- *   issuer: import('@agoric/internal/src/marshal.js').BoardRemote & Issuer,
+ *   issuer: import('@agoric/internal/src/marshal.js').BoardRemote,
  *   issuerName: string,
  *   proposedName: string,
  * }} VBankAssetDetail
  */
 /**
  * @typedef {{
- *   brand: Record<string, Brand>,
+ *   brand: Record<string, import('@agoric/internal/src/marshal.js').BoardRemote>,
  *   instance: Record<string, Instance>,
  *   vbankAsset: Record<string, VBankAssetDetail>,
  *   reverse: Record<string, string>,