MCP Servers

A collection of Model Context Protocol servers, templates, tools and more.

O
Observability MCP Server
by @liuruishan-2022
GitHub Repo(1 stars)

A comprehensive MCP server for observability(Prometheus,Loki,Nacos,RocketMQ,Kafka,Doris,Mysql,K8S,Harbor) and infrastructure management. Built with Rust for high performance and reliability.

Created 1/20/2026
Updated about 10 hours ago
README
View Source
Repository documentation and setup instructions

Observability MCP Server

A comprehensive Model Context Protocol (MCP) server for observability and infrastructure management. Built with Rust for high performance and reliability.

Supported Systems

  • Prometheus - Metrics querying and alerting
  • Loki - Log aggregation and analysis (coming soon)
  • Nacos - Service discovery and configuration management
  • MySQL - Database metrics and inspection
  • Doris - Data warehouse monitoring
  • Kubernetes - Cluster orchestration and monitoring
  • RocketMQ - Message queue metrics (coming soon)
  • Kafka - Stream processing metrics (coming soon)

Features

  • 🚀 High-performance Rust implementation
  • 🔍 Unified MCP interface for all systems
  • 📊 Real-time metrics and logs
  • 🔧 Easy configuration via environment variables
  • 📚 Official documentation integration
  • 🔄 HTTP transport with SSE support

Quick Start

# Build
cargo build --release

# Run
./target/release/observability-mcp-server

Server will start on http://localhost:3013/mcp

Configuration

Set environment variables in .env:

PROMETHEUS_ROOT=http://your-prometheus:9090
LOKI_ROOT=http://your-loki:3100
# ... more configurations

MCP Tools

Prometheus Tools

  • query_instant - Instant query
  • query_range - Range query
  • series_metadata - Series metadata
  • label_values - Label values
  • alertmanagers - Alertmanager endpoints
  • docs_list - List Prometheus documentation
  • docs_read - Read documentation
  • docs_search - Search documentation

Project Structure

observability-mcp-server/
├── src/
│   ├── searcher/          # Query implementations
│   │   ├── prometheus.rs  # Prometheus client
│   │   ├── loki.rs        # Loki client (TODO)
│   │   └── mod.rs
│   ├── mcp/
│   │   └── tools.rs       # MCP tool definitions
│   ├── docs/              # Documentation integration
│   └── main.rs
└── Cargo.toml

Roadmap

  • [x] Prometheus integration
  • [x] Documentation tools
  • [ ] Loki integration
  • [ ] Nacos integration
  • [ ] MySQL integration
  • [ ] Doris integration
  • [ ] Kubernetes integration
  • [ ] RocketMQ integration
  • [ ] Kafka integration

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License

Quick Setup
Installation guide for this server

Installation Command (package not published)

git clone https://github.com/liuruishan-2022/observability-mcp-server
Manual Installation: Please check the README for detailed setup instructions and any additional dependencies required.

Cursor configuration (mcp.json)

{ "mcpServers": { "liuruishan-2022-observability-mcp-server": { "command": "git", "args": [ "clone", "https://github.com/liuruishan-2022/observability-mcp-server" ] } } }