Identify when responses contradict provided context using statement verification
AI agents call rag.detect_hallucination_vs_context to retrieve information from ContextForge MCP Gateway without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a read-only analytical function: it detects and reports inconsistencies between generated responses and source context. No data is created, modified, deleted, or irreversibly changed. No external operations or code execution is triggered.
From the tool's definition Tool description states 'Identify when responses contradict provided context using statement verification' — this is a verification/analysis operation that examines and compares statements against context without modifying data, triggering external…
Attacks that exploit this kind of access
Identify when responses contradict provided context using statement verification. It is categorised as a Read tool in the ContextForge MCP Gateway MCP Server, which means it retrieves data without modifying state.
Register the ContextForge MCP Gateway MCP server in PolicyLayer and add a rule for rag.detect_hallucination_vs_context: 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 ContextForge MCP Gateway. Nothing to install.
rag.detect_hallucination_vs_context 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 rag.detect_hallucination_vs_context 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 rag.detect_hallucination_vs_context. 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.
rag.detect_hallucination_vs_context is provided by the ContextForge MCP Gateway MCP server (jrmatherly/mcp-context-forge). 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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