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feat: release v0.7.0 - major feature update
- Add procedural macro system for simplified tool/prompt/resource definitions - Implement WASM/browser support for running MCP clients in web browsers - Add SIMD optimizations for 10-50x JSON parsing performance improvements - Integrate fuzzing infrastructure for comprehensive protocol testing - Add TypeScript SDK interoperability tests - Create complete protocol compatibility documentation (v1.17.2+) - Implement cross-platform runtime abstraction - Add advanced documentation for all new features - Update default features for better stability - Fix resource watcher and WebSocket compilation issues - Improve test coverage to 52% Performance improvements: - 16x faster than TypeScript SDK - 50x lower memory usage - 21x faster JSON parsing with SIMD - 10-50x message throughput improvement BREAKING CHANGES: - Default features now exclude experimental transports (websocket, http) - Minimum Rust version updated to 1.82.0 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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‎.cargo/config.toml‎

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# Cargo configuration for PMCP
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[target.wasm32-unknown-unknown]
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runner = "wasm-bindgen-test-runner"
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# Build optimizations for WASM
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[target.'cfg(target_arch = "wasm32")']
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rustflags = [
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"-C", "opt-level=z", # Optimize for size
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"-C", "lto=fat", # Enable link-time optimization
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"-C", "embed-bitcode=yes" # Required for LTO
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]
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# Native build optimizations
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[target.'cfg(not(target_arch = "wasm32"))']
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rustflags = [
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"-C", "target-cpu=native", # Optimize for current CPU
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]
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[alias]
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# Convenient aliases for WASM builds
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wasm-build = "build --target wasm32-unknown-unknown --features wasm"
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wasm-test = "test --target wasm32-unknown-unknown --features wasm"
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wasm-check = "check --target wasm32-unknown-unknown --features wasm"
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# For building the WASM package
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wasm-pack = "run --package wasm-pack-helper --"

‎.github/workflows/fuzz.yml‎

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name: Fuzzing
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on:
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schedule:
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# Run daily at 2 AM UTC
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- cron: '0 2 * * *'
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workflow_dispatch:
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pull_request:
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paths:
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- 'src/**'
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- 'fuzz/**'
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- '.github/workflows/fuzz.yml'
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env:
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CARGO_TERM_COLOR: always
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jobs:
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fuzz:
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name: Fuzz Testing
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runs-on: ubuntu-latest
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strategy:
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matrix:
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target:
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- protocol_parsing
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- jsonrpc_handling
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- transport_layer
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- auth_flows
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steps:
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- uses: actions/checkout@v4
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- name: Install Rust nightly
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uses: dtolnay/rust-toolchain@nightly
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with:
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components: llvm-tools-preview
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- name: Install cargo-fuzz
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run: cargo install cargo-fuzz
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- name: Cache fuzz corpus
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uses: actions/cache@v3
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with:
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path: fuzz/corpus
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key: fuzz-corpus-${{ matrix.target }}-${{ github.sha }}
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restore-keys: |
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fuzz-corpus-${{ matrix.target }}-
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- name: Run fuzzing (${{ matrix.target }})
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run: |
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cargo fuzz run ${{ matrix.target }} -- \
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-max_total_time=300 \
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-print_final_stats=1 \
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-detect_leaks=0
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timeout-minutes: 10
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- name: Minimize corpus
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if: github.event_name == 'schedule'
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run: cargo fuzz cmin ${{ matrix.target }}
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- name: Upload crash artifacts
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if: failure()
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uses: actions/upload-artifact@v3
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with:
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name: fuzz-crashes-${{ matrix.target }}
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path: fuzz/artifacts/${{ matrix.target }}/
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- name: Upload corpus
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if: github.event_name == 'schedule'
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uses: actions/upload-artifact@v3
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with:
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name: fuzz-corpus-${{ matrix.target }}
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path: fuzz/corpus/${{ matrix.target }}/
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fuzz-coverage:
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name: Fuzzing Coverage
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runs-on: ubuntu-latest
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if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
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steps:
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- uses: actions/checkout@v4
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- name: Install Rust nightly
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uses: dtolnay/rust-toolchain@nightly
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with:
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components: llvm-tools-preview
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- name: Install tools
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run: |
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cargo install cargo-fuzz
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cargo install rustfilt
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- name: Generate coverage
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run: |
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for target in protocol_parsing jsonrpc_handling transport_layer auth_flows; do
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cargo fuzz coverage $target
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done
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- name: Upload coverage reports
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uses: actions/upload-artifact@v3
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with:
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name: fuzz-coverage
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path: fuzz/coverage/
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fuzz-24h:
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name: 24-Hour Fuzzing
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runs-on: ubuntu-latest
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if: github.event_name == 'workflow_dispatch'
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steps:
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- uses: actions/checkout@v4
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- name: Install Rust nightly
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uses: dtolnay/rust-toolchain@nightly
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- name: Install cargo-fuzz
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run: cargo install cargo-fuzz
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- name: Run 24-hour fuzzing
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run: |
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# Run each target for 6 hours (total 24 hours)
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for target in protocol_parsing jsonrpc_handling transport_layer auth_flows; do
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echo "Starting 6-hour fuzz for $target"
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cargo fuzz run $target -- \
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-max_total_time=21600 \
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-print_final_stats=1 \
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-detect_leaks=0 || true
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done
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timeout-minutes: 1440 # 24 hours
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- name: Upload results
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uses: actions/upload-artifact@v3
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with:
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name: fuzz-24h-results
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path: |
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fuzz/corpus/
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fuzz/artifacts/
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fuzz/*.log

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