search_uniprot

THE RISK

Low Risk

Why search_uniprot needs a policy

This tool performs database lookups and retrieves read-only scientific data. It has no capacity to modify, delete, execute code, or trigger external operations. The returned data (protein sequences, annotations, functions) are reference information used for research analysis. There is no financial impact, data destruction, or code execution involved.

From the tool's definition The tool 'search_uniprot' retrieves protein data from a database with descriptions including 'Find proteins by name, gene, organism, or accession' and 'Returns protein function, sequence, and annotation data.' These are purely query operations with no…

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

POLICY

How to control search_uniprot

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "search_uniprot": {}
  }
}

search_uniprot is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register MedSci Agent — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about search_uniprot

What does the search_uniprot tool do? +

Search the UniProt protein database. Find proteins by name, gene, organism, or accession. Returns protein function, sequence, and annotation data. It is categorised as a Read tool in the MedSci Agent MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on search_uniprot? +

Register the MedSci Agent MCP server in PolicyLayer and add a rule for search_uniprot: 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 MedSci Agent. Nothing to install.

What risk level is search_uniprot? +

search_uniprot is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit search_uniprot? +

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

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

search_uniprot is provided by the MedSci Agent MCP server (omar-a-hassan/medsci-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MedSci Agent tool call.

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

CHECK YOUR STACK →