add_sample_to_project · NGS360 MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_sample_to_project does on NGS360 MCP Server

AI agents use add_sample_to_project to create or update resources in NGS360 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NGS360 MCP Server environment.

WHY IT NEEDS A POLICY

Why add_sample_to_project needs a policy

This tool creates a new association between a sample and a project, which is a reversible write operation. It modifies project data by adding a reference to a sample, but does not execute arbitrary code, delete data, move funds, or perform irreversible actions.

From the tool's definition Tool name 'add_sample_to_project' and description 'Add a sample to a project' indicate a create/modify operation that adds data to an existing project structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_sample_to_project Rate-limited

add_sample_to_project 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": {
    "add_sample_to_project": {
      "limits": [
        {
          "counter": "add_sample_to_project_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches NGS360 MCP Server, so you can run agents against it safely.

FAQ

Questions about add_sample_to_project

What does the add_sample_to_project tool do? +

Add a sample to a project. It is categorised as a Write tool in the NGS360 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_sample_to_project? +

Register the NGS360 MCP Server MCP server in PolicyLayer and add a rule for add_sample_to_project: 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 NGS360 MCP Server. Nothing to install.

What risk level is add_sample_to_project? +

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

Can I rate-limit add_sample_to_project? +

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

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

add_sample_to_project is provided by the NGS360 MCP Server MCP server (ngs360/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.