set_instance_mcp_grant

Grant or revoke ONE remote MCP tool on ONE endpoint for an instance.

SERVERProAgentStore SOURCEhttps://mcp.proagentstore.online/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/io-github-proagentstore-platform/set-instance-mcp-grant.md

WHAT IT DOES

What set_instance_mcp_grant does on ProAgentStore

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

RISK

Why set_instance_mcp_grant is rated Medium

Modifies instance permissions and access controls reversibly; high blast radius if misused to grant unauthorized privileges.

From the tool's definition Grant or revoke MCP tool on endpoint for instance.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_instance_mcp_grant safely

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

set_instance_mcp_grant Rate-limited

set_instance_mcp_grant 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": {
    "set_instance_mcp_grant": {
      "limits": [
        {
          "counter": "set_instance_mcp_grant_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 ProAgentStore, apply this rule, and every set_instance_mcp_grant call is checked against it from then on.

FAQ

Questions about set_instance_mcp_grant

What does the set_instance_mcp_grant tool do? +

Grant or revoke ONE remote MCP tool on ONE endpoint for an instance. It is categorised as a Write tool in the ProAgentStore MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_instance_mcp_grant? +

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

What risk level is set_instance_mcp_grant? +

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

Can I rate-limit set_instance_mcp_grant? +

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

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

set_instance_mcp_grant is provided by the ProAgentStore MCP server (https://mcp.proagentstore.online/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on ProAgentStore, and thousands of servers like it.

This server

All 243 ProAgentStore tools →

Across the catalogue

emit_assumption_set on 0sec →set-prioity on Kanban MCP Server → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →