AI agents call get_credential to retrieve information from Automagik Tools without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves sensitive authentication material (credentials). While it is a Read operation (no data is created, modified, or deleted), the sensitivity of the data accessed (credentials) elevates severity to high. An agent misusing this tool could expose API keys, tokens, or other secrets, potentially compromising downstream systems and services.
From the tool's definition Tool name 'get_credential' and description 'Retrieve credentials for a specific tool' indicate data retrieval with no modification.
Documented attack patterns abuse exactly the kind of access get_credential gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Automagik Tools, and nothing reaches the server without passing your rules. This is the rule we recommend for get_credential:
{
"version": "1",
"default": "deny",
"tools": {
"get_credential": {}
}
}get_credential is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Retrieve credentials for a specific tool. It is categorised as a Read tool in the Automagik Tools MCP Server, which means it retrieves data without modifying state.
Register the Automagik Tools MCP server in PolicyLayer and add a rule for get_credential: 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 Automagik Tools. Nothing to install.
get_credential 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 get_credential 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 get_credential. 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.
get_credential is provided by the Automagik Tools MCP server (namastexlabs/automagik-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Automagik Tools, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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122 Automagik Tools tools catalogued and risk-classified — across an index of 43,000+ MCP servers.