growsurf_add_participant

SERVERGrowSurf SOURCE@growsurfteam/growsurf-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/com-growsurf-growsurf/growsurf-add-participant.md

WHAT IT DOES

What growsurf_add_participant does on GrowSurf

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

RISK

Why growsurf_add_participant is rated Medium

An AI agent can call growsurf_add_participant faster than any human can review: one bad instruction and it creates or modifies resources in GrowSurf by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs growsurf_add_participant safely

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

growsurf_add_participant Rate-limited

growsurf_add_participant 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": {
    "growsurf_add_participant": {
      "limits": [
        {
          "counter": "growsurf_add_participant_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 GrowSurf, apply this rule, and every growsurf_add_participant call is checked against it from then on.

FAQ

Questions about growsurf_add_participant

What does the growsurf_add_participant tool do? +

Add or fetch a participant by email. Existing participants are returned unchanged. This is trusted direct enrollment; do not use it for a public application when the program requires affiliate review. For affiliate programs, set. It is categorised as a Write tool in the GrowSurf MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on growsurf_add_participant? +

Register the GrowSurf MCP server in PolicyLayer and add a rule for growsurf_add_participant: 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 GrowSurf. Nothing to install.

What risk level is growsurf_add_participant? +

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

Can I rate-limit growsurf_add_participant? +

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

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

growsurf_add_participant is provided by the GrowSurf MCP server (@growsurfteam/growsurf-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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