get_agent_card

Get the details of one Agent (its A2A Agent Card), including capability description and skill list. Use it to understand a target Agent before calling it.

SERVERA2wave SOURCELilithGames/a2wave

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/a2wave/get-agent-card.md

WHAT IT DOES

What get_agent_card does on A2wave

AI agents call get_agent_card to retrieve information from A2wave without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_agent_card is rated Low

Retrieves agent metadata without side effects; information-only operation for understanding targets.

From the tool's definition Get the details of one Agent, including capability description and skill list.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_agent_card safely

PolicyLayer is an MCP gateway: it sits between your AI agents and A2wave, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_agent_card, this is the rule to start with:

get_agent_card Allowed

get_agent_card 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": {
    "get_agent_card": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect A2wave, apply this rule, and every get_agent_card call is checked against it from then on.

FAQ

Questions about get_agent_card

What does the get_agent_card tool do? +

Get the details of one Agent (its A2A Agent Card), including capability description and skill list. Use it to understand a target Agent before calling it. It is categorised as a Read tool in the A2wave MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_agent_card? +

Register the A2wave MCP server in PolicyLayer and add a rule for get_agent_card: 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 A2wave. Nothing to install.

What risk level is get_agent_card? +

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

Can I rate-limit get_agent_card? +

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

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

get_agent_card is provided by the A2wave MCP server (LilithGames/a2wave). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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