clap-mcp support

.github/workflows/release-plz.yml

@@ -20,6 +20,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
       - run: cargo test
+      - run: cargo test --features mcp
       - name: Run release-plz
         uses: release-plz/action@v0.5
         with:
@@ -46,6 +47,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
       - run: cargo test
+      - run: cargo test --features mcp
       - name: Run release-plz
         uses: release-plz/action@v0.5
         with:

.github/workflows/testing.yml

@@ -8,6 +8,7 @@ jobs:
     strategy:
       matrix:
         platform: [macos-latest, ubuntu-latest, windows-latest]
+        features: [default, mcp]
 
     runs-on: ${{ matrix.platform }}
     steps:
@@ -20,7 +21,7 @@ jobs:
         with:
           path: |
             ~/target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.features }}
 
     #   - name: Setup pnpm
     #     uses: pnpm/action-setup@v2
@@ -38,8 +39,12 @@ jobs:
 
       - name: Run test suite
         working-directory: ./
-        run: cargo test
-
+        run: cargo test ${{ matrix.features == 'mcp' && '--features mcp' || '' }}
+        env:
+          # When testing the mcp feature build, skip default insta snapshots (help/output
+          # diverges due to --mcp, --export-skills, etc.) and run mcp-specific help snapshots instead.
+          SEM_TOOL_SKIP_INSTA: ${{ matrix.features == 'mcp' && '1' || '' }}
+          SEM_TOOL_MCP_HELP: ${{ matrix.features == 'mcp' && '1' || '' }}
       - name: Do a simple build
         working-directory: ./
-        run: cargo build
+        run: cargo build ${{ matrix.features == 'mcp' && '--features mcp' || '' }}

.gitignore

@@ -1,2 +1,3 @@
 .vscode
 /target
+*.snap.new

.release-plz.toml

@@ -1,7 +1,13 @@
 [[package]]
-name="sem-tool"
+name = "sem-tool"
+version_group = "sem-tool"
 
-# `git_release_enable` is used by the `release-plz` tool to enable/disable
-# some form of "Release API", but we allow `dist` to publish the `release`
-# on Github.
-git_release_enable = false
+# release-plz still drives the release (versioning, tagging, crates.io publish).
+# We leave GitHub Release creation to dist: the tag pushed by release-plz
+# triggers the Release workflow, and dist builds artifacts and creates the
+# GitHub Release with installers/binaries. Avoids duplicate or empty releases.
+git_release_enable = false
+
+[[package]]
+name = "sem-tool-mcp"
+version_group = "sem-tool"