agenticow_lineage
agenticow — walk the COW chain of an .rvf memory file: an ordered list of nodes (role working|checkpoint|base, id, label, parent, createdAt, mutations, tombstones). Use when you need branch history — to find checkpoint ids for a targeted rollback, or to debug a promote. Guessing the chain from fi...
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What agenticow_lineage does on Hamza Agent Hub 252
AI agents call agenticow_lineage 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.
Why agenticow_lineage is rated Low
This tool retrieves and traverses immutable historical metadata about memory file lineage to support inspection and debugging workflows. It enables querying the chain-of-writes structure but does not modify state, execute code, or trigger side effects. The use case of 'find checkpoint ids for targeted rollback' describes finding identifiers for potential future operations, not performing them.
From the tool's definition Tool description explicitly states 'walk the COW chain' and 'an ordered list of nodes' — retrieval and querying operations. Terms like 'find checkpoint ids' and 'debug' indicate read-only inspection.
Attacks that exploit this kind of access
The rule that runs agenticow_lineage 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 agenticow_lineage, this is the rule to start with:
agenticow_lineage is read-only, so it stays allowed. 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 agenticow_lineage call is checked against it from then on.
Questions about agenticow_lineage
agenticow — walk the COW chain of an .rvf memory file: an ordered list of nodes (role working|checkpoint|base, id, label, parent, createdAt, mutations, tombstones). Use when you need branch history — to find checkpoint ids for a targeted rollback, or to debug a promote. Guessing the chain from filenames is wrong — lineage is the authoritative structure the store maintains. It is categorised as a Read tool in the Hamza Agent Hub 252 MCP Server, which means it retrieves data without modifying state.
Register the Hamza Agent Hub 252 MCP server in PolicyLayer and add a rule for agenticow_lineage: 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.
agenticow_lineage 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 agenticow_lineage 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 agenticow_lineage. 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.
agenticow_lineage 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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