知识图谱存储服务

# Bash installer with interactive configuration
curl -fsSL https://raw.githubusercontent.com/your-username/simple-memory-mcp/main/install.sh | bash

📁 Memory Storage Configuration
Where should memory be stored? [~/.cursor/memory.json]: 

🗂️ Obsidian Integration  
Do you use Obsidian? (y/n) [n]: y

📚 Found Obsidian vaults:
  1. My Knowledge Base (/Users/you/Documents/MyVault)
  2. Work Notes (/Users/you/Desktop/WorkVault)
Choose vault (1-2) or enter custom path [1]: 1

Enable auto-export after entity creation? (y/n) [n]: y
Export format (markdown/dataview/canvas/all) [markdown]: all

npm install

# Optional: Set custom memory file location
export MEMORY_PATH="/path/to/your/memory/directory"

npm start
# or
node index.js

# Install and run MCP Inspector
npx @modelcontextprotocol/inspector

# Configure server in Inspector:
# Command: node
# Args: /path/to/your/simple-memory-mcp/index.js

// Create entities
await client.callTool({
  name: "create_entities",
  arguments: {
    entities: [{
      name: "john-doe",
      entityType: "person",
      observations: ["Software engineer", "Works remotely", "Enjoys hiking"]
    }]
  }
});

// Create relationships
await client.callTool({
  name: "create_relations",
  arguments: {
    relations: [{
      from: "john-doe",
      to: "acme-corp",
      relationType: "works_for"
    }]
  }
});

// Search entities
await client.callTool({
  name: "search_nodes",
  arguments: {
    query: "engineer"
  }
});

interface Entity {
  name: string;           // Unique identifier
  entityType: string;     // Type classification
  observations: string[]; // Array of observation texts
}

interface Relation {
  from: string;          // Source entity name
  to: string;            // Target entity name
  relationType: string;  // Relationship type
}

interface Observation {
  entityName: string;    // Target entity name
  contents: string[];    // New observations to add
}

interface Deletion {
  entityName: string;      // Target entity name
  observations: string[];  // Observations to remove
}

{
  "entities": [
    {
      "name": "entity-name",
      "entityType": "person|organization|concept|etc",
      "observations": ["observation1", "observation2"]
    }
  ]
}

{
  "entities": [
    {
      "name": "alice-johnson",
      "entityType": "person",
      "observations": ["Data scientist", "PhD in Computer Science", "Lives in San Francisco"]
    },
    {
      "name": "tech-startup-xyz",
      "entityType": "organization", 
      "observations": ["AI/ML company", "Founded in 2023", "Series A funding"]
    }
  ]
}

[
  {
    "name": "alice-johnson",
    "entityType": "person",
    "observations": ["Data scientist", "PhD in Computer Science", "Lives in San Francisco"]
  }
]

{
  "relations": [
    {
      "from": "source-entity",
      "to": "target-entity", 
      "relationType": "relationship-type"
    }
  ]
}

{
  "relations": [
    {
      "from": "alice-johnson",
      "to": "tech-startup-xyz",
      "relationType": "works_for"
    }
  ]
}

{
  "query": "search-term"
}

{
  "query": "data scientist"
}

{}

{
  "entities": [
    {
      "name": "alice-johnson",
      "entityType": "person",
      "observations": ["Data scientist", "PhD in Computer Science"]
    }
  ],
  "relations": [
    {
      "from": "alice-johnson",
      "to": "tech-startup-xyz", 
      "relationType": "works_for"
    }
  ]
}

{
  "vaultPath": "/path/to/obsidian/vault",
  "format": "markdown",
  "autoIndex": true
}

{
  "vaultPath": "/Users/username/Documents/MyVault",
  "format": "all",
  "autoIndex": true
}

{
  "success": true,
  "vaultPath": "/Users/username/Documents/MyVault",
  "format": "all",
  "entityCount": 42,
  "relationCount": 18,
  "timestamp": "2024-01-15T10:30:00.000Z"
}

{
  "entities": [
    {
      "name": "entity-name",
      "entityType": "type",
      "observations": ["obs1", "obs2"]
    }
  ],
  "relations": [
    {
      "from": "entity1",
      "to": "entity2",
      "relationType": "relationship"
    }
  ]
}

{
  "mcpServers": {
    "simple-memory": {
      "command": "node",
      "args": ["/path/to/simple-memory-mcp/index.js"],
      "env": {
        "MEMORY_PATH": "/custom/path/to/memory/directory"
      }
    }
  }
}

# Run comprehensive server test
node test-server.js

🧪 Testing Simple Memory MCP Server...
✅ Connected successfully!
✅ Found 9 tools: create_entities, create_relations, ...
✅ All tests passed! Server is working correctly.

import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js";

const transport = new StdioClientTransport({
  command: "node",
  args: ["index.js"]
});

const client = new Client({
  name: "test-client",
  version: "1.0.0"
}, {
  capabilities: {}
});

await client.connect(transport);

import {
  ListToolsRequestSchema,
  CallToolRequestSchema,
  ListPromptsRequestSchema,
  ListResourcesRequestSchema
} from '@modelcontextprotocol/sdk/types.js';

const server = new Server(
  { name: 'simple-memory-mcp', version: '1.1.0' },
  {
    capabilities: {
      tools: {},
      prompts: {},
      resources: {}
    }
  }
);

mkdir -p ~/.cursor
chmod 755 ~/.cursor

console.error("Debug info:", JSON.stringify(data, null, 2));

simple-memory-mcp/
├── index.js              # Main server implementation
├── package.json          # Dependencies and scripts
├── test-server.js        # Comprehensive test suite
├── inspector-config.json # MCP Inspector configuration
├── CLAUDE.md             # AI development protocols
└── README.md             # This documentation

graph TD
    A[MCP Client] --> B[StdioServerTransport]
    B --> C[Simple Memory Server]
    C --> D[Entity Manager]
    C --> E[Relation Manager]
    C --> F[Search Engine]
    D --> G[JSON File Storage]
    E --> G
    F --> G

class DatabaseMemoryServer extends SimpleMemoryServer {
  async saveMemory() {
    // Custom database implementation
  }
  
  async loadMemory() {
    // Custom database loading
  }
}