get_capability_graph

Return a Capability Graph snapshot (nodes, shared-capability edges, capability index) for agent planning.

SERVER404 Directory SOURCEMM-sheng/404-directory

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/404-directory/get-capability-graph.md

WHAT IT DOES

What get_capability_graph does on 404 Directory

AI agents call get_capability_graph to retrieve information from 404 Directory without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_capability_graph is rated Low

Retrieves and returns read-only graph data for planning; no modifications or side effects.

From the tool's definition Return a Capability Graph snapshot for agent planning.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_capability_graph safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 404 Directory, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_capability_graph, this is the rule to start with:

get_capability_graph Allowed

get_capability_graph is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_capability_graph": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 404 Directory, apply this rule, and every get_capability_graph call is checked against it from then on.

FAQ

Questions about get_capability_graph

What does the get_capability_graph tool do? +

Return a Capability Graph snapshot (nodes, shared-capability edges, capability index) for agent planning. It is categorised as a Read tool in the 404 Directory MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_capability_graph? +

Register the 404 Directory MCP server in PolicyLayer and add a rule for get_capability_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 404 Directory. Nothing to install.

What risk level is get_capability_graph? +

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

Can I rate-limit get_capability_graph? +

Yes. Add a rate_limit block to the get_capability_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 get_capability_graph completely? +

Set action: deny in the PolicyLayer policy for get_capability_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 get_capability_graph? +

get_capability_graph is provided by the 404 Directory MCP server (MM-sheng/404-directory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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