hippo_document_promote_chunk
Promote a retrieved document chunk into the recall corpus as a
This record as markdown: /tools/verimem/hippo-document-promote-chunk.md
What hippo_document_promote_chunk does on Verimem
AI agents use hippo_document_promote_chunk to create or update resources in Verimem, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Verimem environment.
Why hippo_document_promote_chunk is rated Medium
Modifies memory state by elevating document chunks; reversible operation with moderate blast radius if misapplied to false information.
From the tool's definition promote a retrieved document chunk into the recall corpus
Attacks that exploit this kind of access
The rule that runs hippo_document_promote_chunk safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Verimem, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hippo_document_promote_chunk, this is the rule to start with:
hippo_document_promote_chunk stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Verimem, apply this rule, and every hippo_document_promote_chunk call is checked against it from then on.
Questions about hippo_document_promote_chunk
Promote a retrieved document chunk into the recall corpus as a. It is categorised as a Write tool in the Verimem MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Verimem MCP server in PolicyLayer and add a rule for hippo_document_promote_chunk: 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 Verimem. Nothing to install.
hippo_document_promote_chunk is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the hippo_document_promote_chunk 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 hippo_document_promote_chunk. 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.
hippo_document_promote_chunk is provided by the Verimem MCP server (aureliocpr-ctrl/verimem). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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