transkribus_page_replace
Replace a page image in a document.
This record as markdown: /tools/io-github-lazyants-transkribus/transkribus-page-replace.md
What transkribus_page_replace does on Transkribus
AI agents use transkribus_page_replace to create or update resources in Transkribus, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Transkribus environment.
Why transkribus_page_replace is rated Medium
This tool modifies document content by replacing page images. While reversible (the old image can be restored or replaced again), it alters data in a potentially consequential way within a document management system. It does not create permanent deletions (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read).
From the tool's definition The tool 'transkribus_page_replace' explicitly replaces a page image in a document, as stated in the description 'Replace a page image in a document.' This is a modification operation that changes existing content reversibly.
Attacks that exploit this kind of access
The rule that runs transkribus_page_replace safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Transkribus, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For transkribus_page_replace, this is the rule to start with:
transkribus_page_replace 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 Transkribus, apply this rule, and every transkribus_page_replace call is checked against it from then on.
Questions about transkribus_page_replace
Replace a page image in a document. It is categorised as a Write tool in the Transkribus MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Transkribus MCP server in PolicyLayer and add a rule for transkribus_page_replace: 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 Transkribus. Nothing to install.
transkribus_page_replace 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 transkribus_page_replace 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 transkribus_page_replace. 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.
transkribus_page_replace is provided by the Transkribus MCP server (@lazyants/transkribus-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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