x_federation_roster

SERVERHamza Agent Hub 252 SOURCEhamzachallenge3-dev/hamza-agent-hub-252

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/hamza-agent-hub-252/x-federation-roster.md

WHAT IT DOES

What x_federation_roster does on Hamza Agent Hub 252

AI agents call x_federation_roster to retrieve information from Hamza Agent Hub 252 without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why x_federation_roster is rated Low

Queries federation roster state without modification or side effects; informational only.

From the tool's definition List nodes currently announcing themselves on the open swarm, de-duplicates by pubkey, lastSeen

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs x_federation_roster safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hamza Agent Hub 252, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For x_federation_roster, this is the rule to start with:

x_federation_roster Allowed

x_federation_roster 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": {
    "x_federation_roster": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Hamza Agent Hub 252, apply this rule, and every x_federation_roster call is checked against it from then on.

FAQ

Questions about x_federation_roster

What does the x_federation_roster tool do? +

List nodes currently announcing themselves on the open swarm (recent PeerHello events) via the ruv://swarm/roster resource. Use when you need to know who is online across the federation before assigning work. Grepping sync output by hand is wrong because the roster resource already de-duplicates by pubkey and carries lastSeen. It is categorised as a Read tool in the Hamza Agent Hub 252 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on x_federation_roster? +

Register the Hamza Agent Hub 252 MCP server in PolicyLayer and add a rule for x_federation_roster: 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 Hamza Agent Hub 252. Nothing to install.

What risk level is x_federation_roster? +

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

Can I rate-limit x_federation_roster? +

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

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

x_federation_roster is provided by the Hamza Agent Hub 252 MCP server (hamzachallenge3-dev/hamza-agent-hub-252). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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