Low Risk

export_graph

Export the dependency graph in formats external tools understand. Supports GraphML (Gephi/yEd/NetworkX), Cypher (Neo4j import script), and Obsidian (markdown vault with [[wikilinks]]). Use to crunch the graph in tools that already exist — Cypher queries, betweenness-centrality in NetworkX, vault ...

How to control export_graph ↓

AI agents call export_graph to retrieve information from Trace without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

The tool explicitly states it is read-only and simply exports/serializes the already-built dependency graph into various formats (GraphML, Cypher, Obsidian markdown). It does not modify, delete, or execute anything; it only retrieves and transforms existing graph data for consumption by external tools.

From the tool's definition Read-only. Returns JSON: { format, content, node_count, edge_count }. Export the dependency graph in formats external tools understand.

Documented attack patterns abuse exactly the kind of access export_graph gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Trace, and nothing reaches the server without passing your rules. This is the rule we recommend for export_graph:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "export_graph": {}
  }
}

export_graph is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Trace — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the export_graph tool do? +

Export the dependency graph in formats external tools understand. Supports GraphML (Gephi/yEd/NetworkX), Cypher (Neo4j import script), and Obsidian (markdown vault with [[wikilinks]]). Use to crunch the graph in tools that already exist — Cypher queries, betweenness-centrality in NetworkX, vault navigation. For interactive HTML use visualize_graph; for Mermaid/DOT diagrams use get_dependency_diagram. Read-only. Returns JSON: { format, content, node_count, edge_count }. It is categorised as a Read tool in the Trace MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on export_graph? +

Register the Trace MCP server in PolicyLayer and add a rule for export_graph: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Trace. Nothing to install.

What risk level is export_graph? +

export_graph is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit export_graph? +

Yes. Add a rate_limit block to the export_graph rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block export_graph completely? +

Set action: deny in the PolicyLayer policy for export_graph. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides export_graph? +

export_graph is provided by the Trace MCP server (nikolai-vysotskyi/trace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Trace tool call.

Deterministic rules across all 178 Trace tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

178 Trace tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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