Intermediate

Data Science Stack

Query databases, analyze data, search research papers, and manage experiments from your AI coding environment.

5 servers15.4K tokens8% of context

Token Budget

15.4K used (7.7%)184.6K remaining

Filesystem MCP5.7K (2.8%)

PostgreSQL MCP4.1K (2.1%)

SQLite MCP3.1K (1.5%)

Exa Search MCP1.5K (0.8%)

Sequential Thinking MCP515 (0.3%)

This stack is lightweight. Plenty of room for your prompts and code context.

Config

Paste in ~/.claude.json

json

{
  "mcpServers": {
    "filesystem-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "/path/to/allowed/directory"
      ]
    },
    "postgres-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postgres",
        "postgresql://localhost/mydb"
      ]
    },
    "sqlite-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "sqlite-mcp"
      ]
    },
    "exa-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "exa-mcp-server"
      ],
      "env": {
        "EXA_API_KEY": "YOUR_EXA_API_KEY"
      }
    },
    "sequential-thinking-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-sequential-thinking"
      ]
    }
  }
}

Included Servers

PostgreSQL MCP

Anthropic

database

Query and interact with PostgreSQL databases, inspect schemas, and run SQL directly from your AI editor.

79.1k40.3k/wk4.1K tokens(2%)Official3d ago

Query production databases directly from your AI assistant. Essential for exploratory data analysis without writing one-off scripts.

SQLite MCP

Community

database

Query and manage SQLite databases. Create tables, run queries, and inspect data directly from your AI editor.

30014/wk3.1K tokens(2%)6mo ago

Spin up lightweight local databases for experiments and intermediate results. Perfect for prototyping data pipelines before scaling to Postgres.

Filesystem MCP

Anthropic

developer-tools

Read, write, search, and manage files on your local filesystem with secure directory-scoped access for your AI editor.

79.1k187.2k/wk5.7K tokens(3%)Official3d ago

Read CSVs, write outputs, and manage Jupyter notebooks. Data science lives and dies by file I/O.

Exa Search MCP

Exa

AI-powered web search and crawling with Exa. Get semantically relevant results, extract content, and find similar pages.

3.8k6.8k/wk1.5K tokens(0.8%)Official5d ago

Find research papers, datasets, and methodology references with semantic search. Speeds up the literature review phase significantly.

Sequential Thinking MCP

Anthropic

ai-tools

Enable structured, step-by-step reasoning for complex problem solving. Helps AI break down problems into logical sequences.

79.1k56.6k/wk515 tokens(0.3%)Official3d ago

Statistical analysis and pipeline design require step-by-step reasoning. Prevents your AI from skipping critical assumptions in complex analyses.