diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
new file mode 100644
index 0000000..dfecbb2
--- /dev/null
+++ b/.github/workflows/release-please.yml
@@ -0,0 +1,264 @@
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    outputs:
+      release_created: ${{ steps.release.outputs.release_created }}
+      tag_name: ${{ steps.release.outputs.tag_name }}
+    steps:
+      - uses: actions/create-github-app-token@fee1f7d63c2ff003460e3d139729b119787bc349 # v2.2.2
+        id: app-token
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.PRIVATE_KEY }}
+
+      - uses: googleapis/release-please-action@5c625bfb5d1ff62eadeeb3772007f7f66fdcf071 # v4.4.1
+        id: release
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json
+
+      # release-please bumps package.json but does not know about bun.lock.
+      # A version-only bump usually leaves bun.lock unchanged, but a release PR
+      # can also carry dependency updates — re-resolve and commit the lockfile
+      # into the release PR so the tagged commit always installs cleanly with
+      # `bun install --frozen-lockfile`. Only commits when bun.lock changes.
+      - name: Checkout release PR branch
+        if: ${{ steps.release.outputs.pr }}
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          ref: ${{ fromJson(steps.release.outputs.pr).headBranchName }}
+
+      - name: Setup Bun
+        if: ${{ steps.release.outputs.pr }}
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
+        with:
+          bun-version: 1.3.10
+
+      - name: Sync bun.lock
+        if: ${{ steps.release.outputs.pr }}
+        run: |
+          bun install --lockfile-only
+          if git diff --quiet bun.lock; then
+            echo "bun.lock already in sync"
+          else
+            git config user.name "github-actions[bot]"
+            git config user.email "github-actions[bot]@users.noreply.github.com"
+            git add bun.lock
+            git commit -m "chore: sync bun.lock"
+            git push origin HEAD:${{ fromJson(steps.release.outputs.pr).headBranchName }}
+          fi
+
+  build-binaries:
+    needs: release-please
+    if: ${{ needs.release-please.outputs.release_created }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # csp embeds platform-specific native addons (onnxruntime-node,
+        # @kreuzberg/tree-sitter-language-pack). `bun build --compile` bundles
+        # the *host* platform's .node files, so each target MUST build on a
+        # native runner — cross-compiling with `--target` produces a binary
+        # with the wrong-arch addons ("bad CPU type in executable").
+        include:
+          - os: macos-13        # Intel
+            target: darwin-x64
+          - os: macos-14        # Apple Silicon
+            target: darwin-arm64
+          - os: ubuntu-latest   # x64
+            target: linux-x64
+          - os: ubuntu-24.04-arm # arm64
+            target: linux-arm64
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
+        with:
+          bun-version: 1.3.10
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Build binary (native target)
+        run: |
+          bun build src/cli.ts --compile --outfile csp-${{ matrix.target }}
+
+      - name: Smoke test binary
+        run: |
+          ./csp-${{ matrix.target }} --version
+
+      - name: Generate checksum
+        run: |
+          shasum -a 256 csp-${{ matrix.target }} > csp-${{ matrix.target }}.sha256
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          name: csp-${{ matrix.target }}
+          path: |
+            csp-${{ matrix.target }}
+            csp-${{ matrix.target }}.sha256
+
+  upload-release-assets:
+    needs: [release-please, build-binaries]
+    if: ${{ needs.release-please.outputs.release_created }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: Download all artifacts
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        with:
+          path: artifacts
+
+      - name: Prepare release assets
+        run: |
+          mkdir -p release
+          find artifacts -type f -exec cp {} release/ \;
+          ls -lh release/
+
+      - name: Upload release artifacts
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          gh release upload ${{ needs.release-please.outputs.tag_name }} \
+            release/* \
+            --clobber
+
+  update-homebrew-formula:
+    needs: [release-please, upload-release-assets]
+    if: ${{ needs.release-please.outputs.release_created }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/create-github-app-token@fee1f7d63c2ff003460e3d139729b119787bc349 # v2.2.2
+        id: app-token
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.PRIVATE_KEY }}
+          repositories: |
+            code-search
+            homebrew-tap
+
+      - name: Checkout homebrew-tap repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        with:
+          repository: pleaseai/homebrew-tap
+          token: ${{ steps.app-token.outputs.token }}
+          path: homebrew-tap
+
+      - name: Configure git
+        run: |
+          cd homebrew-tap
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Update Formula
+        run: |
+          VERSION=${{ needs.release-please.outputs.tag_name }}
+          VERSION_NO_V=${VERSION#v}
+
+          # Download checksums
+          curl -L -o darwin-x64.sha256 \
+            "https://github.com/${{ github.repository }}/releases/download/${VERSION}/csp-darwin-x64.sha256"
+          curl -L -o darwin-arm64.sha256 \
+            "https://github.com/${{ github.repository }}/releases/download/${VERSION}/csp-darwin-arm64.sha256"
+          curl -L -o linux-x64.sha256 \
+            "https://github.com/${{ github.repository }}/releases/download/${VERSION}/csp-linux-x64.sha256"
+          curl -L -o linux-arm64.sha256 \
+            "https://github.com/${{ github.repository }}/releases/download/${VERSION}/csp-linux-arm64.sha256"
+
+          # Extract checksums
+          DARWIN_X64_SHA256=$(cat darwin-x64.sha256 | awk '{print $1}')
+          DARWIN_ARM64_SHA256=$(cat darwin-arm64.sha256 | awk '{print $1}')
+          LINUX_X64_SHA256=$(cat linux-x64.sha256 | awk '{print $1}')
+          LINUX_ARM64_SHA256=$(cat linux-arm64.sha256 | awk '{print $1}')
+
+          # Create or update Formula
+          cd homebrew-tap
+          cat > csp.rb << 'FORMULA_EOF'
+          class Csp < Formula
+            desc "Fast and accurate hybrid code search for agents"
+            homepage "https://github.com/pleaseai/code-search"
+            version "VERSION_PLACEHOLDER"
+            license "MIT"
+
+            on_macos do
+              if Hardware::CPU.arm?
+                url "https://github.com/pleaseai/code-search/releases/download/vVERSION_PLACEHOLDER/csp-darwin-arm64"
+                sha256 "SHA256_DARWIN_ARM64_PLACEHOLDER"
+              else
+                url "https://github.com/pleaseai/code-search/releases/download/vVERSION_PLACEHOLDER/csp-darwin-x64"
+                sha256 "SHA256_DARWIN_X64_PLACEHOLDER"
+              end
+            end
+
+            on_linux do
+              if Hardware::CPU.arm?
+                url "https://github.com/pleaseai/code-search/releases/download/vVERSION_PLACEHOLDER/csp-linux-arm64"
+                sha256 "SHA256_LINUX_ARM64_PLACEHOLDER"
+              else
+                url "https://github.com/pleaseai/code-search/releases/download/vVERSION_PLACEHOLDER/csp-linux-x64"
+                sha256 "SHA256_LINUX_X64_PLACEHOLDER"
+              end
+            end
+
+            def install
+              if OS.mac?
+                if Hardware::CPU.arm?
+                  bin.install "csp-darwin-arm64" => "csp"
+                else
+                  bin.install "csp-darwin-x64" => "csp"
+                end
+              else
+                if Hardware::CPU.arm?
+                  bin.install "csp-linux-arm64" => "csp"
+                else
+                  bin.install "csp-linux-x64" => "csp"
+                end
+              end
+            end
+
+            test do
+              assert_match version.to_s, shell_output("#{bin}/csp --version")
+            end
+          end
+          FORMULA_EOF
+
+          # Replace placeholders
+          sed -i "s/VERSION_PLACEHOLDER/${VERSION_NO_V}/g" csp.rb
+          sed -i "s/SHA256_DARWIN_X64_PLACEHOLDER/${DARWIN_X64_SHA256}/" csp.rb
+          sed -i "s/SHA256_DARWIN_ARM64_PLACEHOLDER/${DARWIN_ARM64_SHA256}/" csp.rb
+          sed -i "s/SHA256_LINUX_X64_PLACEHOLDER/${LINUX_X64_SHA256}/" csp.rb
+          sed -i "s/SHA256_LINUX_ARM64_PLACEHOLDER/${LINUX_ARM64_SHA256}/" csp.rb
+
+          # Check if there are changes
+          if git diff --quiet csp.rb 2>/dev/null; then
+            echo "No changes to Formula"
+            exit 0
+          fi
+
+          # Commit and push
+          git add csp.rb
+          git commit -m "chore: update csp to ${VERSION}"
+          git push origin main
+        env:
+          GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
new file mode 100644
index 0000000..e18ee07
--- /dev/null
+++ b/.release-please-manifest.json
@@ -0,0 +1,3 @@
+{
+  ".": "0.0.0"
+}
diff --git a/README.ko.md b/README.ko.md
index 9762784..0d831ee 100644
--- a/README.ko.md
+++ b/README.ko.md
@@ -71,11 +71,17 @@ codex plugin add csp@pleaseai
 에이전트의 컨텍스트에 `csp` 사용법을 추가해 언제 어떻게 CLI를 호출할지 알 수 있도록 합니다. 먼저 `csp` CLI를 설치한 뒤, 아래 스니펫을 `AGENTS.md` 또는 `CLAUDE.md`에 추가하세요.
 
 ```bash
+# Homebrew (macOS / Linux) — Node/Bun 없이 동작하는 독립 실행 바이너리
+brew install pleaseai/tap/csp
+
+# 또는 JavaScript 패키지 매니저로 설치 (PATH에 Bun 또는 Node 22+ 필요)
 bun add -g @pleaseai/csp     # bun으로 설치 (권장)
 npm install -g @pleaseai/csp # 또는 npm
 pnpm add -g @pleaseai/csp    # 또는 pnpm
 ```
 
+> Homebrew formula는 `bun build --compile`로 만든 자체 완결형 바이너리를 제공합니다(tree-sitter·임베딩 런타임 내장). 인덱스는 `~/.csp/`에 캐시됩니다([ADR 0002](.please/docs/decisions/0002-index-storage-cache-model.md) 참고).
+
 <details>
 <summary>AGENTS.md / CLAUDE.md 스니펫</summary>
 
diff --git a/README.md b/README.md
index 981ffe7..c85a0fa 100644
--- a/README.md
+++ b/README.md
@@ -71,11 +71,17 @@ It bundles the `csp` MCP server (`search`, `find_related`) plus a `csp-search` s
 Add `csp` usage instructions to your agent's context so it knows when and how to call the CLI. Install the `csp` CLI, then add the snippet below to your `AGENTS.md` or `CLAUDE.md`:
 
 ```bash
-bun add -g @pleaseai/csp    # Install with bun (recommended)
+# Homebrew (macOS / Linux) — standalone binary, no Node/Bun required
+brew install pleaseai/tap/csp
+
+# Or via a JavaScript package manager (needs Bun or Node 22+ on your PATH)
+bun add -g @pleaseai/csp     # Install with bun (recommended)
 npm install -g @pleaseai/csp # Or with npm
 pnpm add -g @pleaseai/csp    # Or with pnpm
 ```
 
+> The Homebrew formula ships a self-contained binary built with `bun build --compile` (tree-sitter and embedding runtimes are bundled). Indexes are cached under `~/.csp/` (see [ADR 0002](.please/docs/decisions/0002-index-storage-cache-model.md)).
+
 <details>
 <summary>AGENTS.md / CLAUDE.md snippet</summary>
 
diff --git a/release-please-config.json b/release-please-config.json
new file mode 100644
index 0000000..8225fbe
--- /dev/null
+++ b/release-please-config.json
@@ -0,0 +1,30 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "packages": {
+    ".": {
+      "release-type": "node",
+      "package-name": "@pleaseai/csp",
+      "include-component-in-tag": false,
+      "include-v-in-tag": true,
+      "changelog-sections": [
+        { "type": "feat", "section": "Features" },
+        { "type": "fix", "section": "Bug Fixes" },
+        { "type": "perf", "section": "Performance Improvements" },
+        { "type": "revert", "section": "Reverts" },
+        { "type": "docs", "section": "Documentation" },
+        { "type": "style", "section": "Styles", "hidden": true },
+        { "type": "chore", "section": "Miscellaneous Chores", "hidden": true },
+        { "type": "refactor", "section": "Code Refactoring", "hidden": true },
+        { "type": "test", "section": "Tests", "hidden": true },
+        { "type": "build", "section": "Build System", "hidden": true },
+        { "type": "ci", "section": "Continuous Integration", "hidden": true }
+      ],
+      "extra-files": [
+        {
+          "type": "generic",
+          "path": "src/version.ts"
+        }
+      ]
+    }
+  }
+}
diff --git a/src/cli.ts b/src/cli.ts
index 04e8b83..d7c7382 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -12,6 +12,7 @@ import { serve } from './mcp/server.ts'
 import { clearSavings, formatSavingsReport } from './stats.ts'
 import { ContentType } from './types.ts'
 import { formatResults, isGitUrl, resolveChunk } from './utils.ts'
+import { version } from './version.ts'
 
 export enum Agent {
   Antigravity = 'antigravity',
@@ -375,6 +376,11 @@ export async function runCli(argv: string[], options: RunOptions = {}): Promise<
     return 0
   }
 
+  if (argv[0] === '-V' || argv[0] === '--version') {
+    process.stdout.write(`csp ${version}\n`)
+    return 0
+  }
+
   try {
     const { command, positional, flags } = parseArgs(argv)
 
diff --git a/src/mcp/server.ts b/src/mcp/server.ts
index a9f579f..90bc44d 100644
--- a/src/mcp/server.ts
+++ b/src/mcp/server.ts
@@ -7,6 +7,7 @@ import { loadOrBuildIndex } from '../indexing/cache.ts'
 import { CspIndex, loadModel } from '../indexing/index.ts'
 import { ContentType } from '../types.ts'
 import { formatResults, isGitUrl, resolveChunk } from '../utils.ts'
+import { version } from '../version.ts'
 
 const REPO_DESCRIPTION
   = 'https:// or http:// git URL (e.g. https://github.com/org/repo) or local directory path to index and search. '
@@ -497,7 +498,7 @@ export async function createServer(
   }
 
   const underlying = new McpServer(
-    { name: 'csp', version: '0.0.0' },
+    { name: 'csp', version },
     { instructions: SERVER_INSTRUCTIONS },
   )
 
diff --git a/src/version.ts b/src/version.ts
index 88ac6c4..cb0faa2 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -5,6 +5,7 @@
 //   * `package.json#version` is the source of truth for npm publishing.
 //   * Bun/tsdown don't read Python-style triples; reconstructing one would
 //     just be dead code.
-// A future integration PR will keep this in sync with `package.json#version`
-// (e.g. via a generated file or a build-time replacement).
-export const version = '0.0.0'
+// Kept in sync with `package.json#version` by release-please via the
+// `x-release-please-version` annotation below (see release-please-config.json
+// `extra-files`).
+export const version = '0.0.0' // x-release-please-version