Seam Runtime MCP Server

by blackhatshifteyio.github.BlackhatShiftey/seam-runtimev1.3.1

SEAM: local-first memory runtime for AI agents, with retrieval and glassbox provenance over MCP.

Pythonstdioofficial registry

context tax

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security

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cold start

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freshness

Slowing3mo ago

Install Seam Runtime MCP server

claude mcp add seam-runtime -e SEAM_PGVECTOR_DSN='<seam-pgvector-dsn>' -- uvx seam-runtime

{
  "mcpServers": {
    "seam-runtime": {
      "command": "uvx",
      "args": [
        "seam-runtime"
      ],
      "env": {
        "SEAM_PGVECTOR_DSN": "<seam-pgvector-dsn>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "seam-runtime": {
      "command": "uvx",
      "args": [
        "seam-runtime"
      ],
      "env": {
        "SEAM_PGVECTOR_DSN": "<seam-pgvector-dsn>"
      }
    }
  }
}

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

{
  "servers": {
    "seam-runtime": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "seam-runtime"
      ],
      "env": {
        "SEAM_PGVECTOR_DSN": "<seam-pgvector-dsn>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "seam-runtime": {
      "command": "uvx",
      "args": [
        "seam-runtime"
      ],
      "env": {
        "SEAM_PGVECTOR_DSN": "<seam-pgvector-dsn>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
SEAM_DB_PATH	—	—	Path to the local SQLite memory database. Defaults to a per-user data directory if unset.
SEAM_PGVECTOR_DSN	—	yes	Optional Postgres/pgvector DSN for the vector adapter. If unset, SEAM runs on the built-in SQLite vector store.

Freshness

Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
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Latest release
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Package published
no data · npm/PyPI
Registry entry updated
2026-07-06 · 3mo ago · official registry · v1.3.1

FAQ

›How do I install the Seam Runtime MCP server in Claude Code?

Run: claude mcp add seam-runtime -e SEAM_PGVECTOR_DSN='<seam-pgvector-dsn>' -- uvx seam-runtime. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Seam Runtime require an API key?

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

›Can I use Seam Runtime as a remote (hosted) MCP server?

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

›Is Seam Runtime in the official MCP registry?

Yes, as io.github.BlackhatShiftey/seam-runtime.