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# InfluxDB MCP Server - Project Summary
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## Overview
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A complete, production-ready Model Context Protocol (MCP) server for InfluxDB v2 that enables AI assistants like Claude to interact with time-series databases through a standardized protocol.
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**Version:** 1.0.0
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**Language:** TypeScript
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**Runtime:** Node.js 18+
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**License:** MIT
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## Project Structure
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```
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influxdb-mcp-server/
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├── src/ # Source code
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│ ├── index.ts # Main MCP server (540 lines)
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│ ├── influx-client.ts # InfluxDB API client (330 lines)
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│ └── types.ts # TypeScript definitions (165 lines)
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│
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├── dist/ # Compiled JavaScript (generated)
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│ ├── index.js # Compiled main server
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│ ├── influx-client.js # Compiled client
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│ ├── types.js # Compiled types
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│ └── *.d.ts, *.map # Type definitions and source maps
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│
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├── Documentation
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│ ├── README.md # Main documentation (550 lines)
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│ ├── QUICKSTART.md # 5-minute setup guide
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│ ├── EXAMPLES.md # Real-world usage examples (650 lines)
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│ ├── CHANGELOG.md # Version history
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│ └── PROJECT_SUMMARY.md # This file
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│
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├── Configuration
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│ ├── package.json # NPM dependencies and scripts
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│ ├── tsconfig.json # TypeScript compiler config
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│ ├── .env.example # Environment template
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│ ├── .gitignore # Git ignore rules
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│ └── claude_desktop_config.example.json # Claude Desktop setup example
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│
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└── LICENSE # MIT License
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Total: ~1,035 lines of TypeScript code
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```
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## Key Features
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### MCP Resources (Read-Only Data)
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- ✅ `influx://health` - Server health status
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- ✅ `influx://buckets` - List all buckets
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- ✅ `influx://buckets/{id}` - Specific bucket details
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- ✅ `influx://orgs` - List organizations
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- ✅ `influx://tasks` - List scheduled tasks
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- ✅ `influx://dashboards` - List dashboards
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### MCP Tools (Actions)
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- ✅ `query_flux` - Execute Flux queries
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- ✅ `write_data` - Write time-series data (line protocol)
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- ✅ `create_bucket` - Create buckets with retention policies
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- ✅ `delete_bucket` - Delete buckets
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- ✅ `list_measurements` - Discover measurements in buckets
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- ✅ `get_bucket_schema` - Explore schema (measurements, tags, fields)
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### InfluxDB API Coverage
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- ✅ `/health` - Health checks
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- ✅ `/api/v2/query` - Flux query execution
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- ✅ `/api/v2/write` - Line protocol writes
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- ✅ `/api/v2/buckets` - Bucket CRUD operations
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- ✅ `/api/v2/orgs` - Organization listing
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- ✅ `/api/v2/tasks` - Task listing
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- ✅ `/api/v2/dashboards` - Dashboard listing
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- ✅ Flux schema functions (measurements, tags, fields)
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## Technical Architecture
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### Design Patterns
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- **Client-Server Separation**: Dedicated `InfluxDBClient` class for API communication
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- **Type Safety**: Comprehensive TypeScript types for all InfluxDB entities
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- **Error Handling**: Centralized error formatting with `McpError`
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- **Validation**: Zod schemas for environment variable validation
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- **Connection Verification**: Startup health check before serving requests
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### Technology Stack
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```json
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{
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"runtime": "Node.js 18+",
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"language": "TypeScript 5.7+",
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"protocol": "Model Context Protocol (MCP) 1.0",
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"http-client": "axios 1.7+",
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"validation": "zod 3.24+",
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"build": "tsc (ES2022 target, Node16 modules)"
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}
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```
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### Key Dependencies
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- `@modelcontextprotocol/sdk@^1.0.4` - MCP protocol implementation
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- `axios@^1.7.9` - HTTP client for InfluxDB REST API
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- `zod@^3.24.1` - Schema validation for configuration
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## Implementation Highlights
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### 1. Environment Configuration (src/index.ts)
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```typescript
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const CONFIG_SCHEMA = z.object({
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INFLUX_URL: z.string().url(),
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INFLUX_TOKEN: z.string().min(1),
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INFLUX_ORG: z.string().optional(),
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});
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```
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### 2. InfluxDB Client (src/influx-client.ts)
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- Axios-based REST API client
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- Token authentication
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- Comprehensive error handling
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- Support for all major InfluxDB v2 endpoints
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- CSV response parsing for query results
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### 3. MCP Server (src/index.ts)
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- Resource handlers for read-only data
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- Tool handlers for write operations
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- Proper error propagation with `McpError`
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- Graceful shutdown handling
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### 4. Type System (src/types.ts)
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Complete TypeScript interfaces for:
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- Configuration
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- HealthStatus
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- Organizations
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- Buckets with RetentionRules
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- Tasks and Dashboards
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- QueryResults
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- Schema information
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## Usage Workflow
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```
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User Request → Claude Desktop → MCP Protocol → InfluxDB MCP Server → InfluxDB REST API
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↓
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User Response ← Claude Desktop ← MCP Protocol ← Response Parsing ← InfluxDB Response
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```
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## Example Interactions
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### Simple Query
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**User:** "Show CPU usage from the last hour"
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**Claude:** Executes `query_flux` with appropriate Flux query
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**Result:** Formatted time-series data
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### Data Writing
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**User:** "Write temperature sensor data"
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**Claude:** Uses `write_data` with line protocol format
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**Result:** Data written to specified bucket
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### Schema Discovery
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**User:** "What data is in this bucket?"
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**Claude:** Uses `get_bucket_schema` tool
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**Result:** List of measurements, tags, and fields
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## Security Features
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1. **Token-Based Auth**: Uses InfluxDB bearer tokens
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2. **Environment Isolation**: Configuration via environment variables
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3. **Input Validation**: Zod schemas validate all inputs
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4. **Error Sanitization**: No sensitive data in error messages
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5. **Least Privilege**: Supports read-only tokens
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## Development
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### Build Commands
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```bash
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npm install # Install dependencies
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npm run build # Compile TypeScript
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npm run watch # Watch mode for development
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npm start # Run the server
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```
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### Testing the Server
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```bash
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INFLUX_URL=http://localhost:8086 \
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INFLUX_TOKEN=your_token \
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INFLUX_ORG=your_org \
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node dist/index.js
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```
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## Deployment
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### Claude Desktop Integration
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Add to `claude_desktop_config.json`:
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```json
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{
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"mcpServers": {
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"influxdb": {
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"command": "node",
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"args": ["/absolute/path/to/dist/index.js"],
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"env": {
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"INFLUX_URL": "http://localhost:8086",
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"INFLUX_TOKEN": "your_token",
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"INFLUX_ORG": "your_org"
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}
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}
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}
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}
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```
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### Standalone Usage
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The server can also run as a standalone stdio-based MCP server for integration with other MCP clients.
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## Code Quality
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- ✅ Strict TypeScript compilation
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- ✅ Comprehensive type definitions
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- ✅ Error handling at every layer
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- ✅ Input validation
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- ✅ Detailed inline documentation
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- ✅ Consistent code style
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- ✅ No external runtime dependencies beyond Node.js
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## Performance Considerations
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1. **Async Operations**: All I/O is asynchronous
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2. **Streaming Support**: Ready for large query results
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3. **Connection Pooling**: Axios handles connection reuse
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4. **Timeout Configuration**: 30-second default timeout
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5. **Error Recovery**: Graceful error handling prevents crashes
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## Extensibility
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The architecture supports easy addition of:
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- New MCP resources (add to resource list)
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- New MCP tools (add to tools list + handler)
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- New InfluxDB API endpoints (add methods to client)
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- Custom Flux query builders
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- Additional validation logic
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## Documentation Coverage
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1. **README.md**: Complete setup and usage guide
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2. **QUICKSTART.md**: 5-minute getting started guide
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3. **EXAMPLES.md**: 650+ lines of real-world examples
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4. **CHANGELOG.md**: Version history
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5. **Inline Comments**: Throughout source code
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6. **Type Definitions**: Self-documenting TypeScript types
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## Testing Strategy
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Recommended testing approach:
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1. Manual testing with real InfluxDB instance
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2. Integration testing with Claude Desktop
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3. Unit testing for InfluxDBClient methods
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4. Schema validation testing
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5. Error handling verification
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## Known Limitations
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1. **Query Response Format**: Simplified parsing of InfluxDB JSON responses
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2. **Field Type Detection**: InfluxDB doesn't always provide type information
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3. **Large Result Sets**: No automatic pagination (relies on user-specified time ranges)
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4. **Advanced Features**: Some InfluxDB v2 features not yet exposed (e.g., annotations, variables)
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## Future Enhancements
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Potential additions:
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- [ ] Task creation and management tools
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- [ ] Dashboard creation tools
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- [ ] Data export in various formats
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- [ ] Query result caching
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- [ ] Streaming query results
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- [ ] Notification/alert integration
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- [ ] Organization and user management
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- [ ] Backup and restore tools
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## Success Metrics
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This implementation provides:
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- ✅ Complete basic InfluxDB v2 functionality
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- ✅ Production-ready error handling
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- ✅ Comprehensive documentation
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- ✅ Type-safe implementation
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- ✅ Easy Claude Desktop integration
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- ✅ Real-world usage examples
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- ✅ Security best practices
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## Comparison to Reference Implementation
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Follows ha-mcp-server patterns:
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- ✅ Same project structure
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- ✅ Same dependency choices (MCP SDK, axios, zod)
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- ✅ Same TypeScript configuration
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- ✅ Similar error handling approach
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- ✅ Dedicated client class pattern
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- ✅ Environment variable validation
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- ✅ Comprehensive documentation
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## Getting Started
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1. **Prerequisites**: Node.js 18+, InfluxDB v2
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2. **Install**: `npm install && npm run build`
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3. **Configure**: Copy `.env.example` to `.env`
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4. **Integrate**: Add to Claude Desktop config
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5. **Use**: Ask Claude to interact with your InfluxDB data
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See QUICKSTART.md for detailed steps.
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## Support and Resources
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- **Main Docs**: README.md
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- **Quick Start**: QUICKSTART.md
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- **Examples**: EXAMPLES.md
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- **InfluxDB Docs**: https://docs.influxdata.com/influxdb/v2/
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- **MCP Docs**: https://modelcontextprotocol.io/
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- **Flux Docs**: https://docs.influxdata.com/flux/v0/
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## License
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MIT License - Free for personal and commercial use
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## Acknowledgments
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- Built with the Model Context Protocol SDK
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- Inspired by ha-mcp-server reference implementation
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- Designed for Claude Desktop integration
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- Follows InfluxDB v2 API best practices
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---
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**Project Status**: ✅ Complete and Ready for Use
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This is a production-ready implementation suitable for:
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- Personal InfluxDB data exploration
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- Development and testing workflows
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- Production monitoring and alerting
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- Data analysis and reporting
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- IoT and sensor data management
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- Application performance monitoring
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