List sessions filtered by user-friendly labels (convenience wrapper, auto-prefixes labels).
AI agents call acp_list_sessions_by_label to retrieve information from Ambient Code Platform MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries session information based on label filters. It performs a read-only operation that returns data without modifying, deleting, or executing anything. The 'convenience wrapper' nature further confirms it is a pure retrieval utility. Severity is low because listing sessions has minimal blast radius—an agent could see which sessions exist, but cannot modify or delete them.
From the tool's definition Tool name is 'acp_list_sessions_by_label' with description 'List sessions filtered by user-friendly labels (convenience wrapper, auto-prefixes labels)'. The verb 'list' and phrase 'filtered by' indicate data retrieval with no side effects.
Attacks that exploit this kind of access
List sessions filtered by user-friendly labels (convenience wrapper, auto-prefixes labels). It is categorised as a Read tool in the Ambient Code Platform MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Ambient Code Platform MCP Server MCP server in PolicyLayer and add a rule for acp_list_sessions_by_label: 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 Ambient Code Platform MCP Server. Nothing to install.
acp_list_sessions_by_label is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the acp_list_sessions_by_label 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 acp_list_sessions_by_label. 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.
acp_list_sessions_by_label is provided by the Ambient Code Platform MCP Server MCP server (jeremyeder/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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