diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 116c4b0..5a5d8db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,15 +39,14 @@ jobs:
         run: |
           test_dir="$(mktemp -d)"
           trap 'rm -rf "$test_dir"' EXIT
-          mkdir -p "$test_dir/skill/scripts" "$test_dir/fake-path"
+          mkdir -p "$test_dir/skill/scripts" "$test_dir/skill/bin" "$test_dir/fake-path"
           cp skills/lexmount-webfetch/scripts/doctor.sh "$test_dir/skill/scripts/doctor.sh"
+          printf '#!/bin/sh\nprintf "%%s\\n" "$*"\n' > "$test_dir/skill/bin/webfetch-cli"
+          chmod +x "$test_dir/skill/bin/webfetch-cli"
           ln -s /usr/bin/true "$test_dir/fake-path/webfetch-cli"
-          set +e
           output="$(PATH="$test_dir/fake-path:/usr/bin:/bin" "$test_dir/skill/scripts/doctor.sh")"
-          status=$?
-          set -e
-          test "$status" -eq 2
-          test "$output" = '{"ok":false,"error":"unsupported_platform","message":"This Skill supports macOS arm64 through scripts/doctor.sh and Windows x64 through scripts/doctor.ps1."}'
+          test "$output" = 'doctor --json'
+          grep -Fq 'Linux-x86_64) target="x86_64-unknown-linux-musl"' skills/lexmount-webfetch/scripts/bootstrap.sh
           ! grep -q 'command -v webfetch-cli' skills/lexmount-webfetch/scripts/doctor.sh
           ! grep -q 'Get-Command webfetch-cli' skills/lexmount-webfetch/scripts/doctor.ps1
       - name: Verify runtime packaging contract
@@ -93,6 +92,21 @@ jobs:
           & .\skills\lexmount-webfetch\scripts\bootstrap.ps1
           & (Join-Path $env:LEXMOUNT_WEBFETCH_CLI_INSTALL_DIR "webfetch-cli.exe") version
 
+  linux-bootstrap:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - name: Bootstrap static Linux x64 binary from COS
+        run: |
+          latest_tag="$(git tag --list 'v*' --sort=-version:refname | head -n 1)"
+          test -n "$latest_tag"
+          export LEXMOUNT_WEBFETCH_CLI_VERSION="${latest_tag#v}"
+          export LEXMOUNT_WEBFETCH_CLI_INSTALL_DIR="$RUNNER_TEMP/webfetch-cli-bootstrap"
+          ./skills/lexmount-webfetch/scripts/bootstrap.sh
+          "$LEXMOUNT_WEBFETCH_CLI_INSTALL_DIR/webfetch-cli" version
+
   linux-release:
     runs-on: ubuntu-22.04
     steps:
diff --git a/Cargo.lock b/Cargo.lock
index 5934c6d..99b3f42 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1202,7 +1202,7 @@ checksum = "db13adb97ab515a3691f56e4dbab09283d0b86cb45abd991d8634a9d6f501760"
 
 [[package]]
 name = "lexmount-webfetch"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "base64 0.22.1",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 99e7901..445e9e9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "lexmount-webfetch"
-version = "0.1.4"
+version = "0.1.5"
 edition = "2024"
 license = "MIT"
 description = "Native Rust SDK and CLI for Lexmount WebFetch"
diff --git a/README.md b/README.md
index 5c71275..5d90737 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ Claude Code uses `${CLAUDE_SKILL_DIR}`, and WorkBuddy/CodeBuddy uses
 the Skill directory from their own path.
 
 The ZIP contains exactly eight files: `SKILL.md`, three references, and the
-bootstrap/doctor scripts for both platforms. Native executables are published
+bootstrap/doctor scripts for all supported platforms. Native executables are published
 separately. On first use, the matching script downloads the pinned release from
 Tencent Cloud COS and verifies its SHA-256 digest. Tagged releases publish the
 Skill ZIP, `SHA256SUMS`, and exactly three standalone binaries: signed and
diff --git a/skills/lexmount-webfetch/SKILL.md b/skills/lexmount-webfetch/SKILL.md
index bb184d7..d8e1b9b 100644
--- a/skills/lexmount-webfetch/SKILL.md
+++ b/skills/lexmount-webfetch/SKILL.md
@@ -17,6 +17,7 @@ Do not infer `<skill-root>` from the working directory.
 Select the native Rust binary for the current platform:
 
 - macOS arm64: run `sh "<skill-root>/scripts/bootstrap.sh"` when `<skill-root>/bin/webfetch-cli` is missing, then invoke `"<skill-root>/bin/webfetch-cli"`.
+- Linux x64: run `sh "<skill-root>/scripts/bootstrap.sh"` when `<skill-root>/bin/webfetch-cli` is missing, then invoke `"<skill-root>/bin/webfetch-cli"`.
 - Windows x64: run `& "<skill-root>\scripts\bootstrap.ps1"` in PowerShell when `<skill-root>\bin\webfetch-cli.exe` is missing, then invoke `& "<skill-root>\bin\webfetch-cli.exe"`.
 
 Both bootstrap scripts download the fixed release version from Tencent Cloud COS
@@ -29,7 +30,7 @@ Do not run the binary for the other platform or assume `webfetch-cli` is on `PAT
 ## Setup
 
 1. Resolve `<skill-root>` from this `SKILL.md` and select the matching platform paths above.
-2. Run the Skill-local bootstrap script if the binary is missing. Then run `sh "<skill-root>/scripts/doctor.sh"` on macOS arm64 or `& "<skill-root>\scripts\doctor.ps1"` in Windows PowerShell.
+2. Run the Skill-local bootstrap script if the binary is missing. Then run `sh "<skill-root>/scripts/doctor.sh"` on macOS arm64 or Linux x64, or `& "<skill-root>\scripts\doctor.ps1"` in Windows PowerShell.
 3. If credentials are missing, run the Skill-local CLI's `auth login --open`.
    Pass `--client-name "<agent-name>"` when the current Agent has a user-facing
    name; otherwise omit it and the CLI uses `Agent`. Let the user approve in
diff --git a/skills/lexmount-webfetch/references/commands.md b/skills/lexmount-webfetch/references/commands.md
index 3405c24..5889a7c 100644
--- a/skills/lexmount-webfetch/references/commands.md
+++ b/skills/lexmount-webfetch/references/commands.md
@@ -1,7 +1,7 @@
 # Command reference
 
-Resolve `<skill-root>` from the loaded `SKILL.md`. On macOS, `<webfetch-cli>`
-below means `"<skill-root>/bin/webfetch-cli"`; on Windows PowerShell it means
+Resolve `<skill-root>` from the loaded `SKILL.md`. On macOS and Linux,
+`<webfetch-cli>` below means `"<skill-root>/bin/webfetch-cli"`; on Windows PowerShell it means
 `& "<skill-root>\bin\webfetch-cli.exe"`. These are Skill-local absolute
 invocations, not `PATH` lookups.
 
diff --git a/skills/lexmount-webfetch/references/troubleshooting.md b/skills/lexmount-webfetch/references/troubleshooting.md
index 61fdb25..067127c 100644
--- a/skills/lexmount-webfetch/references/troubleshooting.md
+++ b/skills/lexmount-webfetch/references/troubleshooting.md
@@ -6,9 +6,9 @@
    WorkBuddy/CodeBuddy provides `${CODEBUDDY_SKILL_DIR}`. Do not infer it from
    the working directory or search the user's home directory.
 2. Missing command: run `sh "<skill-root>/scripts/bootstrap.sh"` on macOS arm64
-   or `& "<skill-root>\scripts\bootstrap.ps1"` on Windows x64, then run the
-   matching doctor script. Invoke only the Skill-local binary afterward; do not
-   rely on `PATH`.
+   or Linux x64, or `& "<skill-root>\scripts\bootstrap.ps1"` on Windows x64,
+   then run the matching doctor script. Invoke only the Skill-local binary
+   afterward; do not rely on `PATH`.
 3. Missing or expired credentials: run the Skill-local CLI's
    `auth login --open`. Pass `--client-name "<agent-name>"` when the current
    Agent has a user-facing name; otherwise omit it to use `Agent`.
diff --git a/skills/lexmount-webfetch/scripts/bootstrap.ps1 b/skills/lexmount-webfetch/scripts/bootstrap.ps1
index 6bce2bb..29d685e 100644
--- a/skills/lexmount-webfetch/scripts/bootstrap.ps1
+++ b/skills/lexmount-webfetch/scripts/bootstrap.ps1
@@ -12,7 +12,7 @@ function Invoke-Tls12Download {
   }
 }
 
-$version = if ($env:LEXMOUNT_WEBFETCH_CLI_VERSION) { $env:LEXMOUNT_WEBFETCH_CLI_VERSION } else { "0.1.4" }
+$version = if ($env:LEXMOUNT_WEBFETCH_CLI_VERSION) { $env:LEXMOUNT_WEBFETCH_CLI_VERSION } else { "0.1.5" }
 $downloadBaseUrl = if ($env:LEXMOUNT_WEBFETCH_CLI_DOWNLOAD_BASE_URL) { $env:LEXMOUNT_WEBFETCH_CLI_DOWNLOAD_BASE_URL.TrimEnd('/') } else { "https://cli-bin-1377899528.cos.ap-nanjing.myqcloud.com/releases/webfetch-cli" }
 $architecture = if ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } else { $env:PROCESSOR_ARCHITECTURE }
 if ($architecture -ne "AMD64") { throw "Only Windows x64 is supported" }
diff --git a/skills/lexmount-webfetch/scripts/bootstrap.sh b/skills/lexmount-webfetch/scripts/bootstrap.sh
index ab253e6..ba2b111 100755
--- a/skills/lexmount-webfetch/scripts/bootstrap.sh
+++ b/skills/lexmount-webfetch/scripts/bootstrap.sh
@@ -1,12 +1,13 @@
 #!/bin/sh
 set -eu
 
-version="${LEXMOUNT_WEBFETCH_CLI_VERSION:-0.1.4}"
+version="${LEXMOUNT_WEBFETCH_CLI_VERSION:-0.1.5}"
 download_base_url="${LEXMOUNT_WEBFETCH_CLI_DOWNLOAD_BASE_URL:-https://cli-bin-1377899528.cos.ap-nanjing.myqcloud.com/releases/webfetch-cli}"
 repo="${download_base_url%/}/v${version}"
 case "$(uname -s)-$(uname -m)" in
   Darwin-arm64) target="aarch64-apple-darwin" ;;
-  *) echo "Unsupported platform: $(uname -s) $(uname -m). This release supports macOS ARM64 and Windows x64." >&2; exit 2 ;;
+  Linux-x86_64) target="x86_64-unknown-linux-musl" ;;
+  *) echo "Unsupported platform: $(uname -s) $(uname -m). This release supports macOS ARM64, Linux x64, and Windows x64." >&2; exit 2 ;;
 esac
 asset="webfetch-cli-v${version}-${target}"
 tmp_dir="$(mktemp -d)"
@@ -15,7 +16,10 @@ curl --proto '=https' --tlsv1.2 -fsSL "$repo/$asset" -o "$tmp_dir/$asset"
 curl --proto '=https' --tlsv1.2 -fsSL "$repo/SHA256SUMS" -o "$tmp_dir/SHA256SUMS"
 expected="$(awk -v name="$asset" '$2 == name {print $1}' "$tmp_dir/SHA256SUMS")"
 [ -n "$expected" ] || { echo "No checksum published for $asset" >&2; exit 3; }
-actual="$(openssl dgst -sha256 "$tmp_dir/$asset" | awk '{print $NF}')"
+case "$(uname -s)" in
+  Darwin) actual="$(openssl dgst -sha256 "$tmp_dir/$asset" | awk '{print $NF}')" ;;
+  Linux) actual="$(sha256sum "$tmp_dir/$asset" | awk '{print $1}')" ;;
+esac
 [ "$expected" = "$actual" ] || { echo "SHA-256 mismatch for $asset" >&2; exit 4; }
 skill_dir="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
 install_dir="${LEXMOUNT_WEBFETCH_CLI_INSTALL_DIR:-$skill_dir/bin}"
diff --git a/skills/lexmount-webfetch/scripts/doctor.ps1 b/skills/lexmount-webfetch/scripts/doctor.ps1
index ebfad67..35c958b 100644
--- a/skills/lexmount-webfetch/scripts/doctor.ps1
+++ b/skills/lexmount-webfetch/scripts/doctor.ps1
@@ -1,7 +1,7 @@
 $ErrorActionPreference = "Stop"
 $architecture = if ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } else { $env:PROCESSOR_ARCHITECTURE }
 if ($architecture -ne "AMD64") {
-  Write-Output '{"ok":false,"error":"unsupported_platform","message":"This Skill supports Windows x64 through scripts/doctor.ps1 and macOS arm64 through scripts/doctor.sh."}'
+  Write-Output '{"ok":false,"error":"unsupported_platform","message":"This Skill supports Windows x64 through scripts/doctor.ps1, and macOS arm64 and Linux x64 through scripts/doctor.sh."}'
   exit 2
 }
 $skillBinary = Join-Path (Split-Path -Parent $PSScriptRoot) "bin\webfetch-cli.exe"
diff --git a/skills/lexmount-webfetch/scripts/doctor.sh b/skills/lexmount-webfetch/scripts/doctor.sh
index cad579a..7d12ca9 100755
--- a/skills/lexmount-webfetch/scripts/doctor.sh
+++ b/skills/lexmount-webfetch/scripts/doctor.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 set -eu
 case "$(uname -s)-$(uname -m)" in
-  Darwin-arm64) ;;
-  *) echo '{"ok":false,"error":"unsupported_platform","message":"This Skill supports macOS arm64 through scripts/doctor.sh and Windows x64 through scripts/doctor.ps1."}'; exit 2 ;;
+  Darwin-arm64|Linux-x86_64) ;;
+  *) echo '{"ok":false,"error":"unsupported_platform","message":"This Skill supports macOS arm64 and Linux x64 through scripts/doctor.sh, and Windows x64 through scripts/doctor.ps1."}'; exit 2 ;;
 esac
 skill_dir="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
 if [ -x "$skill_dir/bin/webfetch-cli" ]; then exec "$skill_dir/bin/webfetch-cli" doctor --json; fi