updateIntegrationsWithId
Updates the available integrations.
This record as markdown: /tools/io-fusionauth-mcp-api/updateintegrationswithid.md
What updateIntegrationsWithId does on Fusionauth
AI agents use updateIntegrationsWithId to create or update resources in Fusionauth, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Fusionauth environment.
Why updateIntegrationsWithId is rated Medium
The tool modifies integration settings, which is a reversible write operation. Severity is high because integration configurations often control critical security and authentication flows, and misconfiguration could impact multiple systems or users. However, it is not destructive (no deletion), not execute (no arbitrary code), and not financial.
From the tool's definition Tool name contains 'update' and description states 'Updates the available integrations.' This is a modify operation on integration configuration.
Attacks that exploit this kind of access
The rule that runs updateIntegrationsWithId safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Fusionauth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For updateIntegrationsWithId, this is the rule to start with:
updateIntegrationsWithId 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 Fusionauth, apply this rule, and every updateIntegrationsWithId call is checked against it from then on.
Questions about updateIntegrationsWithId
Updates the available integrations. It is categorised as a Write tool in the Fusionauth MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Fusionauth MCP server in PolicyLayer and add a rule for updateIntegrationsWithId: 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 Fusionauth. Nothing to install.
updateIntegrationsWithId 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 updateIntegrationsWithId 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 updateIntegrationsWithId. 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.
updateIntegrationsWithId is provided by the Fusionauth MCP server (@fusionauth/mcp-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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