AI agents use discussion_resolve to create or update resources in Lockstep — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Lockstep environment.
This tool modifies the state of a discussion (marking it resolved) and creates new audit records. While it does not delete data or execute arbitrary code, it irreversibly changes the discussion's status and creates persistent records. The 'creates an auditable record' phrase confirms data creation/modification.
From the tool's definition Tool description states it 'Resolve[s] a discussion with a final decision. Creates an auditable record of the decision.' The act of resolving a discussion and creating a record constitutes modification of data (the discussion state and associated audit logs).
Attacks that exploit this kind of access
Resolve a discussion with a final decision. Creates an auditable record of the decision. It is categorised as a Write tool in the Lockstep MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Lockstep MCP server in PolicyLayer and add a rule for discussion_resolve: 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 Lockstep. Nothing to install.
discussion_resolve 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 discussion_resolve 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 discussion_resolve. 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.
discussion_resolve is provided by the Lockstep MCP server (tmmoore286/lockstep-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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