covid_vaccine

Get COVID-19 vaccine candidate information from disease.sh.

SERVERUnClick SOURCE@unclick/mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/covid-vaccine.md

WHAT IT DOES

What covid_vaccine does on UnClick

AI agents call covid_vaccine to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why covid_vaccine is rated Low

This tool performs a read-only query to fetch publicly available vaccine information. No side effects, no data modification, no code execution, and no financial impact. The low severity reflects minimal blast radius — incorrect vaccine candidate data retrieved would not cause harm through tool misuse alone.

From the tool's definition Tool description states 'Get COVID-19 vaccine candidate information from disease.sh' — a retrieval operation with no modification, deletion, or execution capabilities.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs covid_vaccine safely

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

covid_vaccine Allowed

covid_vaccine is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every covid_vaccine call is checked against it from then on.

FAQ

Questions about covid_vaccine

What does the covid_vaccine tool do? +

Get COVID-19 vaccine candidate information from disease.sh. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on covid_vaccine? +

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

What risk level is covid_vaccine? +

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

Can I rate-limit covid_vaccine? +

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

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

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

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