federation_bbs_serve
agentbbs Phase 2 — start the read-only pull endpoint peers fetch from (GET /agentbbs/v1/rooms/:roomId/envelopes). Binds 127.0.0.1 unless bindHost is given explicitly, so room contents are never exposed on a routable interface by accident. There is no route that mutates state. Use when this host n...
This record as markdown: /tools/hamza-agent-hub-252/federation-bbs-serve.md
What federation_bbs_serve does on Hamza Agent Hub 252
AI agents invoke federation_bbs_serve to trigger actions in Hamza Agent Hub 252. 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.
Why federation_bbs_serve is rated High
Starts a network service binding to an interface, triggering external operations with argument-dependent effects on reachability.
From the tool's definition start the read-only pull endpoint peers fetch from; binds 127.0.0.1 unless bindHost given explicitly
Attacks that exploit this kind of access
The rule that runs federation_bbs_serve 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 federation_bbs_serve, this is the rule to start with:
federation_bbs_serve 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Hamza Agent Hub 252, apply this rule, and every federation_bbs_serve call is checked against it from then on.
Questions about federation_bbs_serve
agentbbs Phase 2 — start the read-only pull endpoint peers fetch from (GET /agentbbs/v1/rooms/:roomId/envelopes). Binds 127.0.0.1 unless bindHost is given explicitly, so room contents are never exposed on a routable interface by accident. There is no route that mutates state. Use when this host needs to be reachable by peers that pull from it. Exposing the .agentbbs directory over a static file server is wrong because that would serve node-identity.json, which contains the private key. It is categorised as a Execute tool in the Hamza Agent Hub 252 MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Hamza Agent Hub 252 MCP server in PolicyLayer and add a rule for federation_bbs_serve: 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.
federation_bbs_serve is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the federation_bbs_serve 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.
Set action: deny in the PolicyLayer policy for federation_bbs_serve. 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.
federation_bbs_serve 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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