diff --git a/package.json b/package.json
index 7a7c1ac..e24ac6f 100644
--- a/package.json
+++ b/package.json
@@ -80,6 +80,7 @@
     "dotenv": "^16.0.3",
     "express": "^4.18.2",
     "gray-matter": "^4.0.3",
+    "open": "^9.1.0",
     "ws": "^8.12.1"
   },
   "packageManager": "yarn@1.22.19",
diff --git a/src/commands/preview.ts b/src/commands/preview.ts
index 7e7d781..423abe6 100644
--- a/src/commands/preview.ts
+++ b/src/commands/preview.ts
@@ -15,6 +15,13 @@ export const preview = async (argv: string[]) => {
   await syncArticlesFromQiita({ fileSystemRepo, qiitaApi });
 
   const server = await startServer();
+
+  const address = server.address();
+  if (address && typeof address !== "string") {
+    const open = (await import("open")).default;
+    await open(`http://localhost:${address.port}`);
+  }
+
   startLocalChangeWatcher({
     server,
     watchPath: config.getItemsRootDir(),
diff --git a/yarn.lock b/yarn.lock
index 9c29d4a..3f56340 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1506,6 +1506,11 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
+big-integer@^1.6.44:
+  version "1.6.51"
+  resolved "https://registry.yarnpkg.com/big-integer/-/big-integer-1.6.51.tgz#0df92a5d9880560d3ff2d5fd20245c889d130686"
+  integrity sha512-GPEid2Y9QU1Exl1rpO9B2IPJGHPSupF5GnVIP0blYvNOMer2bTvSWs1jGOUg04hTmu67nmLsQ9TBo1puaotBHg==
+
 binary-extensions@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.2.0.tgz#75f502eeaf9ffde42fc98829645be4ea76bd9e2d"
@@ -1548,6 +1553,13 @@ boxen@^7.1.1:
     widest-line "^4.0.1"
     wrap-ansi "^8.1.0"
 
+bplist-parser@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/bplist-parser/-/bplist-parser-0.2.0.tgz#43a9d183e5bf9d545200ceac3e712f79ebbe8d0e"
+  integrity sha512-z0M+byMThzQmD9NILRniCUXYsYpjwnlO8N5uCFaCqIOpqRsJCrQL9NK3JsD67CN5a08nF5oIL2bD6loTdHOuKw==
+  dependencies:
+    big-integer "^1.6.44"
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -1592,6 +1604,13 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
   integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
 
+bundle-name@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bundle-name/-/bundle-name-3.0.0.tgz#ba59bcc9ac785fb67ccdbf104a2bf60c099f0e1a"
+  integrity sha512-PKA4BeSvBpQKQ8iPOGCSiell+N8P+Tf1DlwqmYhpe2gAhKPHn8EYOxVT+ShuGmhg8lN8XiSlS80yiExKXrURlw==
+  dependencies:
+    run-applescript "^5.0.0"
+
 bytes@3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
@@ -1945,6 +1964,29 @@ deepmerge@^4.2.2:
   resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.3.0.tgz#65491893ec47756d44719ae520e0e2609233b59b"
   integrity sha512-z2wJZXrmeHdvYJp/Ux55wIjqo81G5Bp4c+oELTW+7ar6SogWHajt5a9gO3s3IDaGSAXjDk0vlQKN3rms8ab3og==
 
+default-browser-id@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/default-browser-id/-/default-browser-id-3.0.0.tgz#bee7bbbef1f4e75d31f98f4d3f1556a14cea790c"
+  integrity sha512-OZ1y3y0SqSICtE8DE4S8YOE9UZOJ8wO16fKWVP5J1Qz42kV9jcnMVFrEE/noXb/ss3Q4pZIH79kxofzyNNtUNA==
+  dependencies:
+    bplist-parser "^0.2.0"
+    untildify "^4.0.0"
+
+default-browser@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/default-browser/-/default-browser-4.0.0.tgz#53c9894f8810bf86696de117a6ce9085a3cbc7da"
+  integrity sha512-wX5pXO1+BrhMkSbROFsyxUm0i/cJEScyNhA4PPxc41ICuv05ZZB/MX28s8aZx6xjmatvebIapF6hLEKEcpneUA==
+  dependencies:
+    bundle-name "^3.0.0"
+    default-browser-id "^3.0.0"
+    execa "^7.1.1"
+    titleize "^3.0.0"
+
+define-lazy-prop@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/define-lazy-prop/-/define-lazy-prop-3.0.0.tgz#dbb19adfb746d7fc6d734a06b72f4a00d021255f"
+  integrity sha512-N+MeXYoqr3pOgn8xfyRPREN7gHakLYjhsHhWGT3fWAiL4IkAt0iDw14QiiEm2bE30c5XX5q0FtAA3CK5f9/BUg==
+
 define-properties@^1.1.3, define-properties@^1.1.4:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.2.0.tgz#52988570670c9eacedd8064f4a990f2405849bd5"
@@ -2358,7 +2400,7 @@ execa@^5.0.0:
     signal-exit "^3.0.3"
     strip-final-newline "^2.0.0"
 
-execa@^7.0.0:
+execa@^7.0.0, execa@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/execa/-/execa-7.1.1.tgz#3eb3c83d239488e7b409d48e8813b76bb55c9c43"
   integrity sha512-wH0eMf/UXckdUYnO21+HDztteVv05rq2GXksxT4fCGeHkBhw1DROXh40wcjMcRqDOWE7iPJ4n3M7e2+YFP+76Q==
@@ -2970,6 +3012,16 @@ is-date-object@^1.0.1:
   dependencies:
     has-tostringtag "^1.0.0"
 
+is-docker@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/is-docker/-/is-docker-2.2.1.tgz#33eeabe23cfe86f14bde4408a02c0cfb853acdaa"
+  integrity sha512-F+i2BKsFrH66iaUFc0woD8sLy8getkwTwtOBjvs56Cx4CgJDeKQeqfz8wAYiSb8JOprWhHH5p77PbmYCvvUuXQ==
+
+is-docker@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-docker/-/is-docker-3.0.0.tgz#90093aa3106277d8a77a5910dbae71747e15a200"
+  integrity sha512-eljcgEDlEns/7AXFosB5K/2nCM4P7FQPkGc/DWLy5rmFEWvZayGrik1d9/QIY5nJ4f9YsVvBkA6kJpHn9rISdQ==
+
 is-extendable@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
@@ -3002,6 +3054,13 @@ is-glob@^4.0.0, is-glob@^4.0.1, is-glob@^4.0.3, is-glob@~4.0.1:
   dependencies:
     is-extglob "^2.1.1"
 
+is-inside-container@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-inside-container/-/is-inside-container-1.0.0.tgz#e81fba699662eb31dbdaf26766a61d4814717ea4"
+  integrity sha512-KIYLCCJghfHZxqjYBE7rEy0OBuTd5xCHS7tHVgvCLkx7StIoaxwNW3hCALgEUjFfeRk+MG/Qxmp/vtETEF3tRA==
+  dependencies:
+    is-docker "^3.0.0"
+
 is-negative-zero@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.2.tgz#7bf6f03a28003b8b3965de3ac26f664d765f3150"
@@ -3088,6 +3147,13 @@ is-weakref@^1.0.2:
   dependencies:
     call-bind "^1.0.2"
 
+is-wsl@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-2.2.0.tgz#74a4c76e77ca9fd3f932f290c17ea326cd157271"
+  integrity sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==
+  dependencies:
+    is-docker "^2.0.0"
+
 isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
@@ -4018,6 +4084,16 @@ onetime@^6.0.0:
   dependencies:
     mimic-fn "^4.0.0"
 
+open@^9.1.0:
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/open/-/open-9.1.0.tgz#684934359c90ad25742f5a26151970ff8c6c80b6"
+  integrity sha512-OS+QTnw1/4vrf+9hh1jc1jnYjzSG4ttTBB8UxOwAnInG3Uo4ssetzC1ihqaIHjLJnA5GGlRl6QlZXOTQhRBUvg==
+  dependencies:
+    default-browser "^4.0.0"
+    define-lazy-prop "^3.0.0"
+    is-inside-container "^1.0.0"
+    is-wsl "^2.2.0"
+
 optionator@^0.9.3:
   version "0.9.3"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.9.3.tgz#007397d44ed1872fdc6ed31360190f81814e2c64"
@@ -4459,6 +4535,13 @@ rimraf@^3.0.2:
   dependencies:
     glob "^7.1.3"
 
+run-applescript@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/run-applescript/-/run-applescript-5.0.0.tgz#e11e1c932e055d5c6b40d98374e0268d9b11899c"
+  integrity sha512-XcT5rBksx1QdIhlFOCtgZkB99ZEouFZ1E2Kc2LHqNW13U3/74YGdkQRmThTwxy4QIyookibDKYZOPqX//6BlAg==
+  dependencies:
+    execa "^5.0.0"
+
 run-parallel@^1.1.9:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.2.0.tgz#66d1368da7bdf921eb9d95bd1a9229e7f21a43ee"
@@ -4928,6 +5011,11 @@ through@^2.3.8:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha512-w89qg7PI8wAdvX60bMDP+bFoD5Dvhm9oLheFp5O4a2QF0cSBGsBX4qZmadPMvVqlLJBBci+WqGGOAPvcDeNSVg==
 
+titleize@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/titleize/-/titleize-3.0.0.tgz#71c12eb7fdd2558aa8a44b0be83b8a76694acd53"
+  integrity sha512-KxVu8EYHDPBdUYdKZdKtU2aj2XfEx9AfjXxE/Aj0vT06w2icA09Vus1rh6eSu1y01akYg6BjIK/hxyLJINoMLQ==
+
 tmpl@1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.5.tgz#8683e0b902bb9c20c4f726e3c0b69f36518c07cc"
@@ -5053,6 +5141,11 @@ unpipe@1.0.0, unpipe@~1.0.0:
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
   integrity sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==
 
+untildify@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/untildify/-/untildify-4.0.0.tgz#2bc947b953652487e4600949fb091e3ae8cd919b"
+  integrity sha512-KK8xQ1mkzZeg9inewmFVDNkg3l5LUhoq9kN6iWYB/CC9YMG8HA+c1Q8HwDe6dEX7kErrEVNVBO3fWsVq5iDgtw==
+
 update-browserslist-db@^1.0.10:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz#0f54b876545726f17d00cd9a2561e6dade943ff3"