diff --git a/.gitignore b/.gitignore
index 746c38e..2b1f433 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 node_modules/
 
 dist/*
+out
 
 config.yml
diff --git a/package.json b/package.json
index 5ca0e3e..d06e580 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "author": "",
   "license": "UNLICENSED",
   "devDependencies": {
+    "@types/fs-extra": "^9.0.13",
     "@types/js-yaml": "^4.0.5",
     "@types/lodash": "^4.14.182",
     "@types/node": "^17.0.25",
@@ -14,6 +15,7 @@
   },
   "dependencies": {
     "chiba-clonk-client": "https://github.com/vulcanize/chiba-clonk-client.git#ec31da8cdea79170a87caf6124d9c12cd54dfbe4",
+    "fs-extra": "^10.1.0",
     "js-yaml": "^4.1.0",
     "lodash": "^4.17.21",
     "lodash-clean": "^2.2.3",
diff --git a/src/cmds/cns-cmds/auction-cmds/bid-cmds/commit.ts b/src/cmds/cns-cmds/auction-cmds/bid-cmds/commit.ts
new file mode 100644
index 0000000..a15851b
--- /dev/null
+++ b/src/cmds/cns-cmds/auction-cmds/bid-cmds/commit.ts
@@ -0,0 +1,49 @@
+import { Arguments } from 'yargs';
+import assert from 'assert';
+import path from 'path';
+import { Account, createBid, Registry } from 'chiba-clonk-client';
+import { ensureDir } from 'fs-extra';
+import fs from 'fs';
+
+import { getConfig, getConnectionInfo, getGasAndFees } from '../../../../util';
+
+const OUT_DIR = 'out';
+
+export const command = 'commit [auction-id] [quantity] [type]';
+
+export const desc = 'Commit auction bid.';
+
+export const handler = async (argv: Arguments) => {
+  const auctionId = argv.auctionId as string;
+  const quantity = argv.quantity as string;
+  const denom = argv.type as string;
+  assert(auctionId, 'Invalid auction ID.');
+  assert(quantity, 'Invalid token quantity.');
+  assert(denom, 'Invalid token type.');
+
+  const { services: { cns: cnsConfig } } = getConfig(argv.config as string)
+  const { restEndpoint, gqlEndpoint, privateKey, chainId } = getConnectionInfo(argv, cnsConfig);
+  assert(restEndpoint, 'Invalid CNS REST endpoint.');
+  assert(gqlEndpoint, 'Invalid CNS GQL endpoint.');
+  assert(privateKey, 'Invalid Transaction Key.');
+  assert(chainId, 'Invalid CNS Chain ID.');
+
+  const account = new Account(Buffer.from(privateKey, 'hex'));
+  const bidderAddress = account.formattedCosmosAddress;
+  const bidAmount = `${quantity}${denom}`;
+  const { reveal, commitHash } = await createBid(chainId, auctionId, bidderAddress, bidAmount);
+
+  // Save reveal file.
+  const outDirPath = path.join(process.cwd(), OUT_DIR);
+  const revealFilePath = path.join(outDirPath, `${commitHash}.json`);
+  await ensureDir(outDirPath);
+  fs.writeFileSync(revealFilePath, JSON.stringify(reveal, undefined, 2));
+
+  const registry = new Registry(restEndpoint, gqlEndpoint, chainId);
+  const fee = getGasAndFees(argv, cnsConfig);
+
+  const result = await registry.commitBid({ auctionId, commitHash }, privateKey, fee);
+  console.log(JSON.stringify(result, undefined, 2));
+
+  console.log(`\nReveal file: ${revealFilePath}`);
+}
diff --git a/src/cmds/cns-cmds/auction-cmds/bid-cmds/reveal.ts b/src/cmds/cns-cmds/auction-cmds/bid-cmds/reveal.ts
new file mode 100644
index 0000000..422d72f
--- /dev/null
+++ b/src/cmds/cns-cmds/auction-cmds/bid-cmds/reveal.ts
@@ -0,0 +1,32 @@
+import { Arguments } from 'yargs';
+import assert from 'assert';
+import path from 'path';
+import { Registry } from 'chiba-clonk-client';
+import fs from 'fs';
+
+import { getConfig, getConnectionInfo, getGasAndFees } from '../../../../util';
+
+export const command = 'reveal [auction-id] [file-path]';
+
+export const desc = 'Reveal auction bid.';
+
+export const handler = async (argv: Arguments) => {
+  const auctionId = argv.auctionId as string;
+  const filePath = argv.filePath as string;
+  assert(auctionId, 'Invalid auction ID.');
+  assert(filePath, 'Invalid reveal file path.');
+
+  const { services: { cns: cnsConfig } } = getConfig(argv.config as string)
+  const { restEndpoint, gqlEndpoint, privateKey, chainId } = getConnectionInfo(argv, cnsConfig);
+  assert(restEndpoint, 'Invalid CNS REST endpoint.');
+  assert(gqlEndpoint, 'Invalid CNS GQL endpoint.');
+  assert(privateKey, 'Invalid Transaction Key.');
+  assert(chainId, 'Invalid CNS Chain ID.');
+
+  const registry = new Registry(restEndpoint, gqlEndpoint, chainId);
+  const fee = getGasAndFees(argv, cnsConfig);
+
+  const reveal = fs.readFileSync(path.resolve(filePath));
+  const result = await registry.revealBid({ auctionId, reveal: reveal.toString('hex') }, privateKey, fee);
+  console.log(JSON.stringify(result, undefined, 2));
+}
diff --git a/src/cmds/cns-cmds/auction-cmds/bid.ts b/src/cmds/cns-cmds/auction-cmds/bid.ts
new file mode 100644
index 0000000..013b245
--- /dev/null
+++ b/src/cmds/cns-cmds/auction-cmds/bid.ts
@@ -0,0 +1,15 @@
+import yargs from 'yargs';
+
+export const command = 'bid';
+
+export const desc = 'Auction bid operations.';
+
+exports.builder = (yargs: yargs.Argv) => {
+  return yargs.options({
+      'auction-id': { type: 'string' },
+      'type': { type: 'string' },
+      'quantity': { type: 'string' },
+      'file-path': { type: 'string' }
+    }).commandDir('bid-cmds')
+    .demandCommand();
+}
diff --git a/src/cmds/cns-cmds/auction-cmds/get.ts b/src/cmds/cns-cmds/auction-cmds/get.ts
new file mode 100644
index 0000000..7f9d934
--- /dev/null
+++ b/src/cmds/cns-cmds/auction-cmds/get.ts
@@ -0,0 +1,25 @@
+import { Arguments } from 'yargs';
+import assert from 'assert';
+import { Registry } from 'chiba-clonk-client';
+
+import { getConfig, getConnectionInfo } from '../../../util';
+
+export const command = 'get [id]';
+
+export const desc = 'Get auction information.';
+
+export const handler = async (argv: Arguments) => {
+  const { id, config } = argv;
+  assert(id, 'Invalid auction ID.');
+
+  const { services: { cns: cnsConfig } } = getConfig(config as string)
+  const { restEndpoint, gqlEndpoint, chainId } = getConnectionInfo(argv, cnsConfig);
+  assert(restEndpoint, 'Invalid CNS REST endpoint.');
+  assert(gqlEndpoint, 'Invalid CNS GQL endpoint.');
+  assert(chainId, 'Invalid CNS Chain ID.');
+
+  const registry = new Registry(restEndpoint, gqlEndpoint, chainId);
+  const result = await registry.getAuctionsByIds([id as string]);
+
+  console.log(JSON.stringify(result, undefined, 2));
+}
diff --git a/src/cmds/cns-cmds/auction.ts b/src/cmds/cns-cmds/auction.ts
new file mode 100644
index 0000000..7ab0227
--- /dev/null
+++ b/src/cmds/cns-cmds/auction.ts
@@ -0,0 +1,10 @@
+import yargs from 'yargs';
+
+export const command = 'auction';
+
+export const desc = 'Auction operations.';
+
+exports.builder = (yargs: yargs.Argv) => {
+  return yargs.commandDir('auction-cmds')
+    .demandCommand();
+}
diff --git a/yarn.lock b/yarn.lock
index 844e991..4f4613d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -480,6 +480,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/fs-extra@^9.0.13":
+  version "9.0.13"
+  resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-9.0.13.tgz#7594fbae04fe7f1918ce8b3d213f74ff44ac1f45"
+  integrity sha512-nEnwB++1u5lVDM2UI4c1+5R+FYaKfaAzS4OococimjVm3nQw3TuzH5UNsocrcTBbhnerblyHj4A49qXbIiZdpA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/google-protobuf@^3.15.5":
   version "3.15.5"
   resolved "https://registry.yarnpkg.com/@types/google-protobuf/-/google-protobuf-3.15.5.tgz#644b2be0f5613b1f822c70c73c6b0e0b5b5fa2ad"
@@ -968,6 +975,15 @@ follow-redirects@^1.14.8:
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.9.tgz#dd4ea157de7bfaf9ea9b3fbd85aa16951f78d8d7"
   integrity sha512-MQDfihBQYMcyy5dhRDJUHcw7lb2Pv/TuE6xP1vyraLukNDHKbDxDNaOE3NbCAdKQApno+GPRyo1YAp89yCjK4w==
 
+fs-extra@^10.1.0:
+  version "10.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-10.1.0.tgz#02873cfbc4084dde127eaa5f9905eef2325d1abf"
+  integrity sha512-oRXApq54ETRj4eMiFzGnHWGy+zo5raudjuxN0b8H7s/RU2oW0Wvsx9O0ACRN/kRq9E8Vu/ReskGB5o3ji+FzHQ==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^2.0.0"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1000,6 +1016,11 @@ google-protobuf@^3.19.4:
   resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.20.1.tgz#1b255c2b59bcda7c399df46c65206aa3c7a0ce8b"
   integrity sha512-XMf1+O32FjYIV3CYu6Tuh5PNbfNEU5Xu22X+Xkdb/DUexFlCzhvv7d5Iirm4AOwn8lv4al1YvIhzGrg2j9Zfzw==
 
+graceful-fs@^4.1.6, graceful-fs@^4.2.0:
+  version "4.2.10"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.10.tgz#147d3a006da4ca3ce14728c7aefc287c367d7a6c"
+  integrity sha512-9ByhssR2fPVsNZj478qUUbKfmL0+t5BDVyjShtyZZLiK7ZDAArFFfopyOTj0M05wE2tJPisA4iTnnXl2YoPvOA==
+
 graphql.js@^0.6.8:
   version "0.6.8"
   resolved "https://registry.yarnpkg.com/graphql.js/-/graphql.js-0.6.8.tgz#5c2e57311b5e74c6665ff9394394bc76f273542f"
@@ -1105,6 +1126,15 @@ js-yaml@^4.1.0:
   dependencies:
     argparse "^2.0.1"
 
+jsonfile@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.1.0.tgz#bc55b2634793c679ec6403094eb13698a6ec0aae"
+  integrity sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==
+  dependencies:
+    universalify "^2.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsonschema@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/jsonschema/-/jsonschema-1.4.0.tgz#1afa34c4bc22190d8e42271ec17ac8b3404f87b2"
@@ -1451,6 +1481,11 @@ uint8array-tools@0.0.7:
   resolved "https://registry.yarnpkg.com/uint8array-tools/-/uint8array-tools-0.0.7.tgz#a7a2bb5d8836eae2fade68c771454e6a438b390d"
   integrity sha512-vrrNZJiusLWoFWBqz5Y5KMCgP9W9hnjZHzZiZRT8oNAkq3d5Z5Oe76jAvVVSRh4U8GGR90N2X1dWtrhvx6L8UQ==
 
+universalify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-2.0.0.tgz#75a4984efedc4b08975c5aeb73f530d02df25717"
+  integrity sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==
+
 util-deprecate@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"