Search historic process instances (covers running + completed via history API). Returns \
AI agents call list_process_instances to retrieve information from CIB Seven MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool searches and returns process instance data without altering, creating, or destroying any information. It is purely a read operation that queries historical records through the CIB Seven REST API. The blast radius of misuse is low: an agent could query process data it shouldn't see, but cannot modify business processes, execute code, or cause irreversible damage. No sensitive operations are triggered.
From the tool's definition list_process_instances – 'Search historic process instances' – retrieves historical data about process instances via a query interface with no modification, creation, or deletion capabilities.
Attacks that exploit this kind of access
Search historic process instances (covers running + completed via history API). Returns \. It is categorised as a Read tool in the CIB Seven MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CIB Seven MCP Server MCP server in PolicyLayer and add a rule for list_process_instances: 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 CIB Seven MCP Server. Nothing to install.
list_process_instances 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_process_instances 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_process_instances. 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_process_instances is provided by the CIB Seven MCP Server MCP server (krixerx/cib7-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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