World Model MCP Server

by saravananjaichandario.github.SaravananJaichandar/world-model-mcpv0.15.5

Temporal codebase knowledge graph that links test failures to code changes, learns co-edit patterns, predicts regression risk and enforces edit constraints.

23Pythonstdioofficial registry

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Active25d ago

Install World Model MCP server

claude mcp add world-model -e ANTHROPIC_API_KEY='<anthropic-api-key>' -- uvx world-model-mcp

{
  "mcpServers": {
    "world-model": {
      "command": "uvx",
      "args": [
        "world-model-mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<anthropic-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "world-model": {
      "command": "uvx",
      "args": [
        "world-model-mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<anthropic-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "world-model": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "world-model-mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<anthropic-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "world-model": {
      "command": "uvx",
      "args": [
        "world-model-mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<anthropic-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
WORLD_MODEL_DB_PATH	—	—	Database location
ANTHROPIC_API_KEY	—	yes	Optional - enables LLM-powered entity extraction
WORLD_MODEL_EXTRACTION_MODEL	—	—	Model for entity extraction
WORLD_MODEL_REASONING_MODEL	—	—	Model for complex reasoning

Freshness

Active — last maintenance signal 25d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-15 · 25d ago · GitHub
Latest release
2026-08-14 · 57d ago · GitHub · v0.15.8
Package published
no data · npm/PyPI
Registry entry updated
2026-07-24 · 3mo ago · official registry · v0.15.5

FAQ

›How do I install the World Model MCP server in Claude Code?

Run: claude mcp add world-model -e ANTHROPIC_API_KEY='<anthropic-api-key>' -- uvx world-model-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does World Model require an API key?

Yes. It expects ANTHROPIC_API_KEY, of which 1 is a secret.

›Can I use World Model as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is World Model in the official MCP registry?

Yes, as io.github.SaravananJaichandar/world-model-mcp.