List user connected services/credentials
AI agents call list_credentials to retrieve information from n8n Autopilot MCP SaaS without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a Read operation—it retrieves and displays credential metadata without side effects. While credentials are sensitive, the tool merely lists them rather than using, exposing, or modifying them. The sensitivity of the data returned is reflected in the 'low' severity rather than escalating the category, as the blast radius of listing credentials (versus using them) is constrained.
From the tool's definition Tool name 'list_credentials' and description 'List user connected services/credentials' indicates retrieval/query of existing credential data with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
List user connected services/credentials. It is categorised as a Read tool in the n8n Autopilot MCP SaaS MCP Server, which means it retrieves data without modifying state.
Register the n8n Autopilot MCP SaaS MCP server in PolicyLayer and add a rule for list_credentials: 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 n8n Autopilot MCP SaaS. Nothing to install.
list_credentials 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 list_credentials 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 list_credentials. 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.
list_credentials is provided by the n8n Autopilot MCP SaaS MCP server (mosaictm1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_credentials is one line of n8n Autopilot MCP SaaS's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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