diff --git a/.gitignore b/.gitignore
index ff692f78..6dc0a91b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ dist
 packages/node-modules-inspector/src/app/public/fonts
 packages/node-modules-inspector/runtime
 .vite-inspect
+.pnp*
+.yarn
diff --git a/fixtures/yarn/dev.mjs b/fixtures/yarn/dev.mjs
new file mode 100644
index 00000000..d8c87c6d
--- /dev/null
+++ b/fixtures/yarn/dev.mjs
@@ -0,0 +1,14 @@
+/* eslint-disable antfu/no-top-level-await */
+import process from 'node:process'
+import { fileURLToPath } from 'node:url'
+import { x } from 'tinyexec'
+
+process.env.NMI_CWD = process.cwd()
+
+await x('pnpm', ['run', 'dev'], {
+  nodeOptions: {
+    cwd: fileURLToPath(new URL('../../packages/node-modules-inspector', import.meta.url)),
+    stdio: 'inherit',
+    env: process.env,
+  },
+})
diff --git a/fixtures/yarn/package.json b/fixtures/yarn/package.json
new file mode 100644
index 00000000..96553253
--- /dev/null
+++ b/fixtures/yarn/package.json
@@ -0,0 +1,13 @@
+{
+  "type": "module",
+  "packageManager": "yarn@4.7.0",
+  "scripts": {
+    "dev": "node dev.mjs"
+  },
+  "dependencies": {
+    "vite-plugin-inspect": "^11.0.0"
+  },
+  "devDependencies": {
+    "tinyexec": "^0.3.2"
+  }
+}
diff --git a/fixtures/yarn/yarn.lock b/fixtures/yarn/yarn.lock
new file mode 100644
index 00000000..0d8f971a
--- /dev/null
+++ b/fixtures/yarn/yarn.lock
@@ -0,0 +1,256 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 8
+  cacheKey: 10c0
+
+"@polka/url@npm:^1.0.0-next.24":
+  version: 1.0.0-next.28
+  resolution: "@polka/url@npm:1.0.0-next.28"
+  checksum: 10c0/acc5ea62597e4da2fb42dbee02749d07f102ae7d6d2c966bf7e423c79cd65d1621da305af567e6e7c232f3b565e242d1ec932cbb3dcc0db1508d02e9a2cafa2e
+  languageName: node
+  linkType: hard
+
+"ansis@npm:^3.16.0":
+  version: 3.17.0
+  resolution: "ansis@npm:3.17.0"
+  checksum: 10c0/d8fa94ca7bb91e7e5f8a7d323756aa075facce07c5d02ca883673e128b2873d16f93e0dec782f98f1eeb1f2b3b4b7b60dcf0ad98fb442e75054fe857988cc5cb
+  languageName: node
+  linkType: hard
+
+"birpc@npm:^2.0.19":
+  version: 2.2.0
+  resolution: "birpc@npm:2.2.0"
+  checksum: 10c0/7866197d0dd2f65473161d1959ad543f0903a6ead480605ce0f1138ced28389821d80c54627722462181c18b62fe60297166658cc80d9836e192a1df84c51077
+  languageName: node
+  linkType: hard
+
+"bundle-name@npm:^4.1.0":
+  version: 4.1.0
+  resolution: "bundle-name@npm:4.1.0"
+  dependencies:
+    run-applescript: "npm:^7.0.0"
+  checksum: 10c0/8e575981e79c2bcf14d8b1c027a3775c095d362d1382312f444a7c861b0e21513c0bd8db5bd2b16e50ba0709fa622d4eab6b53192d222120305e68359daece29
+  languageName: node
+  linkType: hard
+
+"debug@npm:^4.4.0":
+  version: 4.4.0
+  resolution: "debug@npm:4.4.0"
+  dependencies:
+    ms: "npm:^2.1.3"
+  peerDependenciesMeta:
+    supports-color:
+      optional: true
+  checksum: 10c0/db94f1a182bf886f57b4755f85b3a74c39b5114b9377b7ab375dc2cfa3454f09490cc6c30f829df3fc8042bc8b8995f6567ce5cd96f3bc3688bd24027197d9de
+  languageName: node
+  linkType: hard
+
+"default-browser-id@npm:^5.0.0":
+  version: 5.0.0
+  resolution: "default-browser-id@npm:5.0.0"
+  checksum: 10c0/957fb886502594c8e645e812dfe93dba30ed82e8460d20ce39c53c5b0f3e2afb6ceaec2249083b90bdfbb4cb0f34e1f73fde3d68cac00becdbcfd894156b5ead
+  languageName: node
+  linkType: hard
+
+"default-browser@npm:^5.2.1":
+  version: 5.2.1
+  resolution: "default-browser@npm:5.2.1"
+  dependencies:
+    bundle-name: "npm:^4.1.0"
+    default-browser-id: "npm:^5.0.0"
+  checksum: 10c0/73f17dc3c58026c55bb5538749597db31f9561c0193cd98604144b704a981c95a466f8ecc3c2db63d8bfd04fb0d426904834cfc91ae510c6aeb97e13c5167c4d
+  languageName: node
+  linkType: hard
+
+"define-lazy-prop@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "define-lazy-prop@npm:3.0.0"
+  checksum: 10c0/5ab0b2bf3fa58b3a443140bbd4cd3db1f91b985cc8a246d330b9ac3fc0b6a325a6d82bddc0b055123d745b3f9931afeea74a5ec545439a1630b9c8512b0eeb49
+  languageName: node
+  linkType: hard
+
+"error-stack-parser-es@npm:^1.0.5":
+  version: 1.0.5
+  resolution: "error-stack-parser-es@npm:1.0.5"
+  checksum: 10c0/040665eb87a42fe068c0da501bc258f3d15d3a03963c0723d7a2741e251d400c9776a52d2803afdc5709def99554cdb5a5d99c203c7eaf4885d3fbc217e2e8f7
+  languageName: node
+  linkType: hard
+
+"is-docker@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "is-docker@npm:3.0.0"
+  bin:
+    is-docker: cli.js
+  checksum: 10c0/d2c4f8e6d3e34df75a5defd44991b6068afad4835bb783b902fa12d13ebdb8f41b2a199dcb0b5ed2cb78bfee9e4c0bbdb69c2d9646f4106464674d3e697a5856
+  languageName: node
+  linkType: hard
+
+"is-inside-container@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "is-inside-container@npm:1.0.0"
+  dependencies:
+    is-docker: "npm:^3.0.0"
+  bin:
+    is-inside-container: cli.js
+  checksum: 10c0/a8efb0e84f6197e6ff5c64c52890fa9acb49b7b74fed4da7c95383965da6f0fa592b4dbd5e38a79f87fc108196937acdbcd758fcefc9b140e479b39ce1fcd1cd
+  languageName: node
+  linkType: hard
+
+"is-wsl@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "is-wsl@npm:3.1.0"
+  dependencies:
+    is-inside-container: "npm:^1.0.0"
+  checksum: 10c0/d3317c11995690a32c362100225e22ba793678fe8732660c6de511ae71a0ff05b06980cf21f98a6bf40d7be0e9e9506f859abe00a1118287d63e53d0a3d06947
+  languageName: node
+  linkType: hard
+
+"mrmime@npm:^2.0.0":
+  version: 2.0.1
+  resolution: "mrmime@npm:2.0.1"
+  checksum: 10c0/af05afd95af202fdd620422f976ad67dc18e6ee29beb03dd1ce950ea6ef664de378e44197246df4c7cdd73d47f2e7143a6e26e473084b9e4aa2095c0ad1e1761
+  languageName: node
+  linkType: hard
+
+"ms@npm:^2.1.3":
+  version: 2.1.3
+  resolution: "ms@npm:2.1.3"
+  checksum: 10c0/d924b57e7312b3b63ad21fc5b3dc0af5e78d61a1fc7cfb5457edaf26326bf62be5307cc87ffb6862ef1c2b33b0233cdb5d4f01c4c958cc0d660948b65a287a48
+  languageName: node
+  linkType: hard
+
+"ohash@npm:^2.0.4":
+  version: 2.0.9
+  resolution: "ohash@npm:2.0.9"
+  checksum: 10c0/05914081708aebe54314dd40b64ba23cee1f19f1011c24a3b6168a55965181571cd8e9c6314911088411150f81ac97916c06d011d0130b85e4339d490547fdd4
+  languageName: node
+  linkType: hard
+
+"open@npm:^10.1.0":
+  version: 10.1.0
+  resolution: "open@npm:10.1.0"
+  dependencies:
+    default-browser: "npm:^5.2.1"
+    define-lazy-prop: "npm:^3.0.0"
+    is-inside-container: "npm:^1.0.0"
+    is-wsl: "npm:^3.1.0"
+  checksum: 10c0/c86d0b94503d5f735f674158d5c5d339c25ec2927562f00ee74590727292ed23e1b8d9336cb41ffa7e1fa4d3641d29b199b4ea37c78cb557d72b511743e90ebb
+  languageName: node
+  linkType: hard
+
+"pathe@npm:^2.0.2":
+  version: 2.0.3
+  resolution: "pathe@npm:2.0.3"
+  checksum: 10c0/c118dc5a8b5c4166011b2b70608762e260085180bb9e33e80a50dcdb1e78c010b1624f4280c492c92b05fc276715a4c357d1f9edc570f8f1b3d90b6839ebaca1
+  languageName: node
+  linkType: hard
+
+"perfect-debounce@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "perfect-debounce@npm:1.0.0"
+  checksum: 10c0/e2baac416cae046ef1b270812cf9ccfb0f91c04ea36ac7f5b00bc84cb7f41bdbba087c0ab21b4e02a7ef3a1f1f6db399f137cecec46868bd7d8d88c2a9ee431f
+  languageName: node
+  linkType: hard
+
+"picomatch@npm:^4.0.2":
+  version: 4.0.2
+  resolution: "picomatch@npm:4.0.2"
+  checksum: 10c0/7c51f3ad2bb42c776f49ebf964c644958158be30d0a510efd5a395e8d49cb5acfed5b82c0c5b365523ce18e6ab85013c9ebe574f60305892ec3fa8eee8304ccc
+  languageName: node
+  linkType: hard
+
+"root-workspace-0b6124@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "root-workspace-0b6124@workspace:."
+  dependencies:
+    tinyexec: "npm:^0.3.2"
+    vite-plugin-inspect: "npm:^11.0.0"
+  languageName: unknown
+  linkType: soft
+
+"run-applescript@npm:^7.0.0":
+  version: 7.0.0
+  resolution: "run-applescript@npm:7.0.0"
+  checksum: 10c0/bd821bbf154b8e6c8ecffeaf0c33cebbb78eb2987476c3f6b420d67ab4c5301faa905dec99ded76ebb3a7042b4e440189ae6d85bbbd3fc6e8d493347ecda8bfe
+  languageName: node
+  linkType: hard
+
+"sirv@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "sirv@npm:3.0.1"
+  dependencies:
+    "@polka/url": "npm:^1.0.0-next.24"
+    mrmime: "npm:^2.0.0"
+    totalist: "npm:^3.0.0"
+  checksum: 10c0/7cf64b28daa69b15f77b38b0efdd02c007b72bb3ec5f107b208ebf59f01b174ef63a1db3aca16d2df925501831f4c209be6ece3302b98765919ef5088b45bf80
+  languageName: node
+  linkType: hard
+
+"tinyexec@npm:^0.3.2":
+  version: 0.3.2
+  resolution: "tinyexec@npm:0.3.2"
+  checksum: 10c0/3efbf791a911be0bf0821eab37a3445c2ba07acc1522b1fa84ae1e55f10425076f1290f680286345ed919549ad67527d07281f1c19d584df3b74326909eb1f90
+  languageName: node
+  linkType: hard
+
+"totalist@npm:^3.0.0":
+  version: 3.0.1
+  resolution: "totalist@npm:3.0.1"
+  checksum: 10c0/4bb1fadb69c3edbef91c73ebef9d25b33bbf69afe1e37ce544d5f7d13854cda15e47132f3e0dc4cafe300ddb8578c77c50a65004d8b6e97e77934a69aa924863
+  languageName: node
+  linkType: hard
+
+"unplugin-utils@npm:^0.2.0":
+  version: 0.2.4
+  resolution: "unplugin-utils@npm:0.2.4"
+  dependencies:
+    pathe: "npm:^2.0.2"
+    picomatch: "npm:^4.0.2"
+  checksum: 10c0/b5ab2db37823f5b4c8ee8719caa4b5a50b2da33c74c8110d46deb7a2399dfa15cbcaa0cff62aa6400c76e778e42becd9195c09b6502c0c007d03610f432c875f
+  languageName: node
+  linkType: hard
+
+"vite-dev-rpc@npm:^1.0.7":
+  version: 1.0.7
+  resolution: "vite-dev-rpc@npm:1.0.7"
+  dependencies:
+    birpc: "npm:^2.0.19"
+    vite-hot-client: "npm:^2.0.4"
+  peerDependencies:
+    vite: ^2.9.0 || ^3.0.0-0 || ^4.0.0-0 || ^5.0.0-0 || ^6.0.1
+  checksum: 10c0/e20675c17316d3a20f3b190da50e2d52cc5c15fc5b67fead41c3f914ecb6c266fab16a198e11e53ca043321425230ea4b4db1aacb6e4616fce7ff974e0b16477
+  languageName: node
+  linkType: hard
+
+"vite-hot-client@npm:^2.0.4":
+  version: 2.0.4
+  resolution: "vite-hot-client@npm:2.0.4"
+  peerDependencies:
+    vite: ^2.6.0 || ^3.0.0 || ^4.0.0 || ^5.0.0-0 || ^6.0.0-0
+  checksum: 10c0/67e7a31df0be1a6122d767b31f13164790ba884730bebeb5a07537f318f6d223e14a54e8f3d7780dcd0ccceeb350ae25540522e7f39ba7a644fc55a5fa7cad1e
+  languageName: node
+  linkType: hard
+
+"vite-plugin-inspect@npm:^11.0.0":
+  version: 11.0.0
+  resolution: "vite-plugin-inspect@npm:11.0.0"
+  dependencies:
+    ansis: "npm:^3.16.0"
+    debug: "npm:^4.4.0"
+    error-stack-parser-es: "npm:^1.0.5"
+    ohash: "npm:^2.0.4"
+    open: "npm:^10.1.0"
+    perfect-debounce: "npm:^1.0.0"
+    sirv: "npm:^3.0.1"
+    unplugin-utils: "npm:^0.2.0"
+    vite-dev-rpc: "npm:^1.0.7"
+  peerDependencies:
+    vite: ^6.0.0
+  peerDependenciesMeta:
+    "@nuxt/kit":
+      optional: true
+  checksum: 10c0/808ef69ec2c3baec05f5024d634abb353b4916d1caaede5180560a9e74bafa4761ddde32f651a557ef080910a77d99ea42198081bb8fe1ea0a32891b7730fc8c
+  languageName: node
+  linkType: hard
diff --git a/packages/node-modules-inspector/src/app/components/panel/PackageDetails.vue b/packages/node-modules-inspector/src/app/components/panel/PackageDetails.vue
index 39ee3d3d..3ec94e9c 100644
--- a/packages/node-modules-inspector/src/app/components/panel/PackageDetails.vue
+++ b/packages/node-modules-inspector/src/app/components/panel/PackageDetails.vue
@@ -163,7 +163,7 @@ function getShallowestDependents(pkg: PackageNode) {
             <div i-catppuccin-code-of-conduct icon-catppuccin ma />
           </NuxtLink>
           <button
-            v-if="backend?.functions.openInEditor"
+            v-if="backend?.functions.openInEditor && pkg.filepath"
             title="Open Package Folder in Editor"
             ml--1 w-8 h-8 rounded-full hover:bg-active flex
             @click="backend.functions.openInEditor(pkg.filepath)"
@@ -171,7 +171,7 @@ function getShallowestDependents(pkg: PackageNode) {
             <div i-catppuccin-folder-vscode hover:i-catppuccin-folder-vscode-open icon-catppuccin ma />
           </button>
           <button
-            v-if="backend?.functions.openInFinder"
+            v-if="backend?.functions.openInFinder && pkg.filepath"
             title="Open Package Folder in Finder"
             ml--1 w-8 h-8 rounded-full hover:bg-active flex
             @click="backend.functions.openInFinder(pkg.filepath)"
diff --git a/packages/node-modules-inspector/src/node/rpc.ts b/packages/node-modules-inspector/src/node/rpc.ts
index 8ef72cbc..2849138d 100644
--- a/packages/node-modules-inspector/src/node/rpc.ts
+++ b/packages/node-modules-inspector/src/node/rpc.ts
@@ -35,6 +35,11 @@ export function createServerFunctions(options: CreateServerFunctionsOptions): Se
         console.log('[Node Modules Inspector] No config found')
       return result.config
     })()
+
+    // Allow overriding CWD with env
+    if (process.env.NMI_CWD)
+      options.cwd = process.env.NMI_CWD
+
     return _config
   }
 
diff --git a/packages/node-modules-tools/src/agent-entry/detect.ts b/packages/node-modules-tools/src/agent-entry/detect.ts
index ed32b1fc..7631d73c 100644
--- a/packages/node-modules-tools/src/agent-entry/detect.ts
+++ b/packages/node-modules-tools/src/agent-entry/detect.ts
@@ -1,13 +1,13 @@
-import type { AgentName } from 'package-manager-detector'
+import type { Agent } from 'package-manager-detector'
 import type { BaseOptions } from '../types'
 import { detect } from 'package-manager-detector'
 
-export async function getPackageManager(options: BaseOptions): Promise<AgentName> {
+export async function getPackageManager(options: BaseOptions): Promise<Agent> {
   const manager = await detect({
     cwd: options.cwd,
   })
   if (!manager)
     throw new Error('Cannot detect package manager in the current path')
 
-  return manager.name
+  return manager.agent
 }
diff --git a/packages/node-modules-tools/src/agent-entry/list.ts b/packages/node-modules-tools/src/agent-entry/list.ts
index 18e13c85..67821baa 100644
--- a/packages/node-modules-tools/src/agent-entry/list.ts
+++ b/packages/node-modules-tools/src/agent-entry/list.ts
@@ -1,4 +1,4 @@
-import type { AgentName } from 'package-manager-detector'
+import type { Agent } from 'package-manager-detector'
 import type { ListPackageDependenciesBaseResult, ListPackageDependenciesOptions, ListPackageDependenciesRawResult, PackageNodeBase } from '../types'
 
 /**
@@ -7,14 +7,30 @@ import type { ListPackageDependenciesBaseResult, ListPackageDependenciesOptions,
  * This function will automatically detect the package manager in the current project, and list the dependencies of the packages.
  */
 export async function listPackageDependenciesRaw(
-  manager: AgentName,
+  manager: Agent,
   options: ListPackageDependenciesOptions,
 ): Promise<ListPackageDependenciesRawResult> {
   let result: ListPackageDependenciesRawResult
-  if (manager === 'pnpm')
-    result = await import('../agents/pnpm').then(r => r.listPackageDependencies(options))
-  else
-    throw new Error(`Package manager ${manager} is not yet supported`)
+
+  switch (manager) {
+    case 'pnpm':
+    case 'pnpm@6': {
+      result = await import('../agents/pnpm').then(r => r.listPackageDependencies(options))
+      break
+    }
+    case 'yarn@berry': {
+      console.warn('Yarn Berry support is experimental, if you encounter any issues, please open an issue with a reproduction')
+      result = await import('../agents/berry').then(r => r.listPackageDependencies(options))
+      break
+    }
+    case 'npm':
+    case 'bun':
+    case 'deno':
+    case 'yarn':
+      throw new Error(`Package manager ${manager} is not yet supported`)
+    default:
+      throw new Error(`Unknown package manager: ${manager satisfies never}`)
+  }
 
   return populateRawResult(result)
 }
diff --git a/packages/node-modules-tools/src/agents/berry/index.ts b/packages/node-modules-tools/src/agents/berry/index.ts
new file mode 100644
index 00000000..a6d22186
--- /dev/null
+++ b/packages/node-modules-tools/src/agents/berry/index.ts
@@ -0,0 +1 @@
+export { listPackageDependencies } from './list'
diff --git a/packages/node-modules-tools/src/agents/berry/list.ts b/packages/node-modules-tools/src/agents/berry/list.ts
new file mode 100644
index 00000000..95626068
--- /dev/null
+++ b/packages/node-modules-tools/src/agents/berry/list.ts
@@ -0,0 +1,144 @@
+import type { ListPackageDependenciesOptions, ListPackageDependenciesRawResult, PackageNodeRaw } from '../../types'
+import { x } from 'tinyexec'
+
+type PackageName = string
+
+type PackageVersion = string
+
+type BerryLocator = `${PackageName}@${string}`
+
+type BerryDescriptor = `${PackageName}@${string}`
+
+interface BerryPackageNode {
+  value: BerryLocator
+  children: {
+    Version: PackageVersion
+    Dependencies?: {
+      descriptor: BerryDescriptor
+      locator: BerryLocator
+    }[]
+  }
+}
+
+async function resolveRoot(options: ListPackageDependenciesOptions) {
+  // TODO: A replacement for `pnpm root` command
+  return options.cwd
+}
+
+async function getBerryVersion(options: ListPackageDependenciesOptions) {
+  try {
+    const raw = await x('yarn', ['--version'], { throwOnError: true, nodeOptions: { cwd: options.cwd } })
+    return raw.stdout.trim()
+  }
+  catch (err) {
+    console.error('Failed to get yarn version')
+    console.error(err)
+    return undefined
+  }
+}
+
+async function getDependenciesList(options: ListPackageDependenciesOptions): Promise<BerryPackageNode[]> {
+  // TODO: options.depth support
+  // TODO: options.monorepo support
+  const args = ['info', '--all', '--recursive', '--json']
+
+  // Interestingly, this is a list of newline-separated JSON objects…
+  const raw = await x('yarn', args, { throwOnError: true, nodeOptions: { cwd: options.cwd } })
+
+  // …so we need to parse it into an array.
+  const parseable = `[${
+    raw.stdout
+      .trim()
+      .split('\n')
+      .filter(Boolean)
+      .join(',')
+  }]`
+
+  const json = JSON.parse(parseable)
+
+  if (!Array.isArray(json))
+    throw new Error(`Failed to parse \`yarn info\` output, expected an array but got: ${String(json)}`)
+
+  return json
+}
+
+export async function listPackageDependencies(
+  options: ListPackageDependenciesOptions,
+): Promise<ListPackageDependenciesRawResult> {
+  const root = await resolveRoot(options) || options.cwd
+  const list = await getDependenciesList(options)
+  const mapList = new Map<string, BerryPackageNode>()
+  for (const item of list) {
+    mapList.set(cleanupSpec(item.value), item)
+  }
+  const packages = new Map<string, PackageNodeRaw>()
+
+  function cleanupSpec(spec: string) {
+    return spec.replace(/(\w)@.*npm:/, '$1@')
+  }
+
+  const mapNormalize = new WeakMap<BerryPackageNode, PackageNodeRaw>()
+  function normalize(raw: BerryPackageNode): PackageNodeRaw {
+    let node = mapNormalize.get(raw)
+    if (node)
+      return node
+
+    // Resolve workspace package version
+    const version = raw.children.Version
+
+    let name: string
+    if (raw.value.startsWith('@'))
+      name = `@${raw.value.slice(1).split('@')[0]}`
+    else
+      name = raw.value.split('@')[0]
+
+    const spec = `${name}@${version}`
+
+    node = packages.get(spec) || {
+      spec,
+      name,
+      version,
+      // filepath: 'TODO',
+      dependencies: new Set(),
+    }
+    mapNormalize.set(raw, node)
+    return node
+  }
+
+  function traverse(raw: BerryPackageNode): PackageNodeRaw {
+    const node = normalize(raw)
+
+    // Filter out node
+    if (options.traverseFilter?.(node) === false)
+      return node
+
+    if (packages.has(node.spec))
+      return node
+
+    packages.set(node.spec, node)
+
+    if (options.dependenciesFilter?.(node) !== false) {
+      for (const dep of raw.children.Dependencies || []) {
+        const locator = cleanupSpec(dep.locator)
+        const actualDep = mapList.get(locator)
+        if (!actualDep)
+          throw new Error(`Failed to find dependency ${locator} of ${node.spec}`)
+        const result = normalize(actualDep)
+        node.dependencies.add(result.spec)
+      }
+    }
+
+    return node
+  }
+
+  for (const item of list) {
+    traverse(item)
+  }
+
+  return {
+    root,
+    packageManager: 'berry',
+    packageManagerVersion: await getBerryVersion(options),
+    packages,
+  }
+}
diff --git a/packages/node-modules-tools/src/resolve.ts b/packages/node-modules-tools/src/resolve.ts
index a104c216..e330cfa1 100644
--- a/packages/node-modules-tools/src/resolve.ts
+++ b/packages/node-modules-tools/src/resolve.ts
@@ -1,4 +1,4 @@
-import type { AgentName } from 'package-manager-detector'
+import type { Agent } from 'package-manager-detector'
 import type { PackageJson } from 'pkg-types'
 import type { BaseOptions, PackageNode, PackageNodeBase } from './types'
 import fs from 'node:fs/promises'
@@ -13,14 +13,20 @@ import { getPackageInstallSize } from './size'
  * - Set `module` to the resolved module type (cjs, esm, dual, faux, none).
  */
 export async function resolvePackage(
-  _packageManager: AgentName,
+  _packageManager: Agent,
   pkg: PackageNodeBase,
   _options: BaseOptions,
 ): Promise<PackageNode> {
   const _pkg = pkg as unknown as PackageNode
   if (_pkg.resolved)
     return _pkg
-  const content = await fs.readFile(join(pkg.filepath, 'package.json'), 'utf-8')
+  if (!_pkg.filepath) {
+    _pkg.resolved = {
+      module: 'cjs',
+    }
+    return _pkg
+  }
+  const content = await fs.readFile(join(pkg.filepath!, 'package.json'), 'utf-8')
   const json = JSON.parse(stripBomTag(content)) as PackageJson
 
   let repository = (typeof json.repository === 'string' ? json.repository : json.repository?.url)
diff --git a/packages/node-modules-tools/src/size.ts b/packages/node-modules-tools/src/size.ts
index 5d9bb97b..d136016b 100644
--- a/packages/node-modules-tools/src/size.ts
+++ b/packages/node-modules-tools/src/size.ts
@@ -11,6 +11,8 @@ export async function getPackageInstallSize(
     return
   if (pkg.version.match(/^(?:file|link|workspace):/))
     return
+  if (!pkg.filepath)
+    return
 
   const root = pkg.filepath
   const files: string[] = []
diff --git a/packages/node-modules-tools/src/types/node.ts b/packages/node-modules-tools/src/types/node.ts
index cdb7501b..bf061743 100644
--- a/packages/node-modules-tools/src/types/node.ts
+++ b/packages/node-modules-tools/src/types/node.ts
@@ -11,7 +11,7 @@ export interface PackageNodeRaw {
   /** Combined name and version using `@` */
   spec: string
   /** Absolute file path of the package */
-  filepath: string
+  filepath?: string
   /** Direct dependencies of this package */
   dependencies: Set<string>