Create or update a museum by source identifier. If a museum with the given source exists, it is updated. If not, a new one is created. Source is required. Will be rejected if the existing record has do_not_import set.
AI agents use upsert_museum to create or update resources in Confd — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Confd environment.
The upsert_museum tool performs create-or-update operations on museum records, which are characteristic Write category actions. While the tool can modify existing data, the changes are reversible (records can be updated again or deleted separately).
From the tool's definition Tool description states it will "Create or update a museum" and "If a museum with the given source exists, it is updated. If not, a new one is created." These are reversible write operations that modify data.
Attacks that exploit this kind of access
Create or update a museum by source identifier. If a museum with the given source exists, it is updated. If not, a new one is created. Source is required. Will be rejected if the existing record has do_not_import set. It is categorised as a Write tool in the Confd MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Confd MCP server in PolicyLayer and add a rule for upsert_museum: 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 Confd. Nothing to install.
upsert_museum 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 upsert_museum 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 upsert_museum. 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.
upsert_museum is provided by the Confd MCP server (mytours/confd-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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