High Risk →

generate_backbone

Generate de novo protein backbones using RFdiffusion.

How to control generate_backbone ↓

What generate_backbone does on Protein Design

AI agents invoke generate_backbone to trigger actions in Protein Design. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

High Risk

Why generate_backbone needs a policy

This tool runs RFdiffusion, a computational protein design algorithm, to generate novel protein backbone structures. It executes an external computational process whose outputs depend on the input arguments. It does not simply read existing data, but actively runs a generative model to produce new structures.

From the tool's definition Generate de novo protein backbones using RFdiffusion

Documented attack patterns abuse exactly the kind of access generate_backbone gives an agent:

How to control generate_backbone

PolicyLayer is an MCP gateway — it sits between your AI agents and Protein Design, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_backbone:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_backbone": {
      "limits": [
        {
          "counter": "generate_backbone_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

generate_backbone stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Protein Design — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

Go deeper

Questions about generate_backbone

What does the generate_backbone tool do? +

Generate de novo protein backbones using RFdiffusion. It is categorised as a Execute tool in the Protein Design MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on generate_backbone? +

Register the Protein Design MCP server in PolicyLayer and add a rule for generate_backbone: 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 Protein Design. Nothing to install.

What risk level is generate_backbone? +

generate_backbone is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit generate_backbone? +

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

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

generate_backbone is provided by the Protein Design MCP server (jasonkim8652/protein-design-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Protein Design tool call.

Start from Protein Design, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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19 Protein Design tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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