create_relation

Create relation(s) between project entities

SERVERProject Guardian MCP SOURCE1999azzar/project-guardian-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/1999azzar-project-guardian-mcp-server/create-relation.md

WHAT IT DOES

What create_relation does on Project Guardian MCP

AI agents use create_relation to create or update resources in Project Guardian MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Project Guardian MCP environment.

RISK

Why create_relation is rated Medium

This tool creates relationships between entities in the project memory system. The action is reversible (relations can be deleted via sibling tool 'delete_relation'), making it a Write operation rather than Destructive.

From the tool's definition Tool name 'create_relation' and description 'Create relation(s) between project entities' indicate reversible creation of data structures within the knowledge graph.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_relation safely

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

create_relation Rate-limited

create_relation stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_relation": {
      "limits": [
        {
          "counter": "create_relation_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Project Guardian MCP, apply this rule, and every create_relation call is checked against it from then on.

FAQ

Questions about create_relation

What does the create_relation tool do? +

Create relation(s) between project entities. It is categorised as a Write tool in the Project Guardian MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_relation? +

Register the Project Guardian MCP server in PolicyLayer and add a rule for create_relation: 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 Project Guardian MCP. Nothing to install.

What risk level is create_relation? +

create_relation is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_relation? +

Yes. Add a rate_limit block to the create_relation 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 create_relation completely? +

Set action: deny in the PolicyLayer policy for create_relation. 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 create_relation? +

create_relation is provided by the Project Guardian MCP server (1999azzar/project-guardian-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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