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MikkoParkkola/mcp-gateway releases

Universal MCP gateway with single-port multiplexing and Meta-MCP. 4 meta-tools replace 100+ registrations, saving 95% context window. Hot-reloadable capabilities, OpenAPI auto-import, 42 starter capabilities (25 zero-config).

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v2.12.1 New feature

macOS M1/M2/M3 binaries + Quick Start

Open
No immediate action
v2.12.0 New feature

Quick Start, Cargo install, M1/M2/M3 binaries

Open
v2.11.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64 (static musl)
  • mcp-gateway-linux-aarch64 - Linux ARM64 (static musl)

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.10.1 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64 (static musl)
  • mcp-gateway-linux-aarch64 - Linux ARM64 (static musl)

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.9.1 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64 (static musl)
  • mcp-gateway-linux-aarch64 - Linux ARM64 (static musl)

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.9.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64 (static musl)
  • mcp-gateway-linux-aarch64 - Linux ARM64 (static musl)

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.8.1 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64 (static musl)
  • mcp-gateway-linux-aarch64 - Linux ARM64 (static musl)

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.8.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.7.3 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.7.2 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.7.1 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.7.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.6.0 New feature
⚠ Upgrade required
  • Dependency upgrades: reqwest 0.13, rand 0.10, rcgen 0.14, jsonwebtoken 10.3, quick-xml 0.39, x509-parser 0.18, axum-server 0.8, md5 0.8, dialoguer 0.12, clap_complete 4.6
  • All new features are compile‑time gated; disable any with `--no-default-features`
Notable features
  • Cost Governance: per-tool, per-key, and global daily budgets with alert thresholds and live spend dashboard
  • Security Firewall: bidirectional request/response scanning, credential redaction, injection detection, NDJSON audit logging
  • Semantic Search: TF-IDF ranked tool search across names and descriptions with relevance feedback
Full changelog

What's New in v2.6.0

Six new features, 13 dependency upgrades, and 2,461+ tests passing.

New Features

  • Cost Governance (RFC-0075) — Per-tool, per-key, and global daily budgets with configurable alert thresholds (log, notify, block). Live spend dashboard at /ui/api/costs.
  • Security Firewall (RFC-0071) — Bidirectional request/response scanning with credential redaction (AWS keys, GitHub tokens, JWTs), prompt injection detection, shell/SQL/path traversal detection, and NDJSON audit logging.
  • Config Export (RFC-0070) — Export running gateway configuration as sanitized YAML or JSON with secrets masked. Supports Claude Code, Cursor, Windsurf, and Zed client formats.
  • Auto-Discovery (RFC-0074) — Automatically discover MCP servers from npm, pip, and Docker sources with quality scoring and deduplication.
  • Semantic Search (RFC-0072) — TF-IDF ranked tool search across all tool names and descriptions with relevance feedback learning.
  • Tool Profiles (RFC-0073) — Usage analytics per tool: latency histograms, error categorization, usage trends, and success rates with persistent storage.

Dependency Upgrades

reqwest 0.13, rand 0.10, rcgen 0.14, jsonwebtoken 10.3, quick-xml 0.39, x509-parser 0.18, axum-server 0.8, md5 0.8, dialoguer 0.12, clap_complete 4.6

Quality

  • 2,461+ tests (unit + integration + doc tests), 0 failures
  • 19 cross-feature integration tests
  • Performance benchmarks: firewall <1µs, cost enforcer <100ns, semantic search <50µs
  • All features compile-time gated — disable any with --no-default-features

Install

# Homebrew
brew upgrade mcp-gateway

# Cargo
cargo install mcp-gateway

# Binary (macOS ARM64)
curl -L https://github.com/MikkoParkkola/mcp-gateway/releases/download/v2.6.0/mcp-gateway-darwin-arm64 -o mcp-gateway
chmod +x mcp-gateway

Full Changelog: https://github.com/MikkoParkkola/mcp-gateway/compare/v2.5.0...v2.6.0

View release on GitHub
v2.5.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.4.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.2.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.1.0 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub
v2.0.1 Maintenance

Minor fixes and improvements.

Full changelog

Installation

Cargo (Recommended)

cargo install mcp-gateway

Manual Download

Download the appropriate binary for your platform from the assets below.

Supported platforms:

  • mcp-gateway-darwin-arm64 - macOS Apple Silicon (M1/M2/M3)
  • mcp-gateway-darwin-x86_64 - macOS Intel
  • mcp-gateway-linux-x86_64 - Linux x86_64

Verify checksums

sha256sum -c SHA256SUMS.txt

Quick Start

# Create config file
cat > servers.yaml << 'EOF'
server:
  port: 39400
meta_mcp:
  enabled: true
backends: {}
EOF

# Start gateway
mcp-gateway --config servers.yaml

See README for full documentation.

View release on GitHub

Beta — feedback welcome: [email protected]