state-trace

io.github.razroo/state-trace · v0.3.1

Bounded working memory for coding agents — typed nodes, current-vs-stale state, MCP-mountable.

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add state-trace -e STATE_TRACE_STORAGE_PATH=<STATE_TRACE_STORAGE_PATH> -e STATE_TRACE_NAMESPACE=<STATE_TRACE_NAMESPACE> -e STATE_TRACE_CAPACITY_LIMIT=<STATE_TRACE_CAPACITY_LIMIT> -- uvx state-trace==0.3.1

claude_desktop_config.json

{
  "mcpServers": {
    "state-trace": {
      "command": "uvx",
      "args": [
        "state-trace==0.3.1"
      ],
      "env": {
        "STATE_TRACE_STORAGE_PATH": "<STATE_TRACE_STORAGE_PATH>",
        "STATE_TRACE_NAMESPACE": "<STATE_TRACE_NAMESPACE>",
        "STATE_TRACE_CAPACITY_LIMIT": "<STATE_TRACE_CAPACITY_LIMIT>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "state-trace": {
      "command": "uvx",
      "args": [
        "state-trace==0.3.1"
      ],
      "env": {
        "STATE_TRACE_STORAGE_PATH": "<STATE_TRACE_STORAGE_PATH>",
        "STATE_TRACE_NAMESPACE": "<STATE_TRACE_NAMESPACE>",
        "STATE_TRACE_CAPACITY_LIMIT": "<STATE_TRACE_CAPACITY_LIMIT>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "state-trace": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "state-trace==0.3.1"
      ],
      "env": {
        "STATE_TRACE_STORAGE_PATH": "<STATE_TRACE_STORAGE_PATH>",
        "STATE_TRACE_NAMESPACE": "<STATE_TRACE_NAMESPACE>",
        "STATE_TRACE_CAPACITY_LIMIT": "<STATE_TRACE_CAPACITY_LIMIT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`STATE_TRACE_STORAGE_PATH` Optional	Path to the SQLite or JSON file backing the working-memory graph. .db/.sqlite/.sqlite3 = SQLite (recommended); other = JSON. Defaults to ~/.state-trace/memory.db.
`STATE_TRACE_NAMESPACE` Optional	Namespace to scope reads and writes (e.g. the repo slug). Nodes without a namespace remain visible to all namespaces.
`STATE_TRACE_CAPACITY_LIMIT` Optional	Working-memory budget in capacity units. Default 256.

Details

Package	`[email protected]` (PYPI, stdio)
First published	25 Apr 2026
Last updated	25 Apr 2026
Registry name	`io.github.razroo/state-trace`

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Local install

Installed and run on your own machine, so there is no public endpoint to check.

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