list_credentials
A read tool on the MCP Framework Personal MCP server.
This record as markdown: /tools/inggerman-mcps/list-credentials.md
What list_credentials does on MCP Framework Personal
AI agents call list_credentials to retrieve information from MCP Framework Personal without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_credentials is rated Low
This tool retrieves or queries credential data without side effects, making it a Read operation. The severity is high because credentials are security-sensitive information whose exposure could enable unauthorized access, impersonation, or privilege escalation. Confidence is moderate (0.75) due to the empty description; if this tool actually returned plaintext secrets or tokens, severity could be critical.
From the tool's definition Tool name 'list_credentials' and sibling tools ('audit_credential_usage', 'issue_credential', 'revoke_credential', 'verify_credential') indicate this is a Credential Manager server. 'list_credentials' retrieves credential data with no modification.
Attacks that exploit this kind of access
The rule that runs list_credentials safely
PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Framework Personal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_credentials, this is the rule to start with:
list_credentials is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect MCP Framework Personal, apply this rule, and every list_credentials call is checked against it from then on.
Questions about list_credentials
list_credentials is a read tool on the MCP Framework Personal MCP server. It is categorised as a Read tool in the MCP Framework Personal MCP Server, which means it retrieves data without modifying state.
Register the MCP Framework Personal 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 MCP Framework Personal. 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 MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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