MCP Hangar Documentation
Parallel MCP Execution — 50x faster tool calls for your AI agents.
🚀 One-Liner Install: curl -sSL https://mcp-hangar.io/install.sh | bash && mcp-hangar init -y && mcp-hangar serve
What is MCP Hangar?
MCP Hangar is a production-grade control plane for Model Context Protocol (MCP) providers. It enables:
- ⚡ Parallel Execution — Batch multiple tool calls, execute simultaneously
- 🔄 Hot-Reload Config — Live configuration changes without restart
- 🛡️ Circuit Breakers — Fault isolation, automatic failover
- 📊 Observability — OpenTelemetry traces, Prometheus metrics, Langfuse
What's New in v0.6.6
- Cookbook — Step-by-step production recipes (Gateway, Health, Circuit Breaker, Failover)
- Hot-Reload — File watching, SIGHUP, or
hangar_reload_configMCP tool - Smart Init — Runtime detection, smoke tests, config merging
- One-Liner — Zero-interaction install and setup
Getting Started
| Guide | Description |
|---|---|
| Installation | Install via pip, curl, or from source |
| Quick Start | Your first parallel MCP call |
| CLI Reference | All available commands |
Core Guides
| Guide | Description |
|---|---|
| Batch Invocations | Parallel execution deep dive |
| Hot-Reload | Live configuration reloading |
| Observability | Metrics, traces, logging |
| Authentication | Secure your providers |
| Containers | Docker and OCI providers |
| Kubernetes | K8s operator and CRDs |
Performance
| Scenario | Time | Success Rate |
|---|---|---|
| 15 tools, 2 providers | 380ms | 100% |
| Thundering herd (50 concurrent) | 1.3s | 100% |
| Cold start + batch | <500ms | 100% |