rag.evaluate_retrieval_coverage
Measure if key information was retrieved by checking topic coverage
This record as markdown: /tools/jrmatherly-mcp-context-forge/rag.evaluate-retrieval-coverage.md
What rag.evaluate_retrieval_coverage does on ContextForge MCP Gateway
AI agents call rag.evaluate_retrieval_coverage to retrieve information from ContextForge MCP Gateway without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why rag.evaluate_retrieval_coverage is rated Low
This tool performs passive analysis and measurement of retrieved information to assess coverage completeness. It retrieves or analyzes data without side effects—a characteristic Read operation. The low severity reflects that misuse would only yield incorrect measurements or reports, with no irreversible or external impacts.
From the tool's definition Tool name 'evaluate_retrieval_coverage' and description 'Measure if key information was retrieved by checking topic coverage' indicate a query or measurement operation. The verb 'evaluate' and 'measure' suggest data inspection without modification.
Attacks that exploit this kind of access
The rule that runs rag.evaluate_retrieval_coverage safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ContextForge MCP Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For rag.evaluate_retrieval_coverage, this is the rule to start with:
rag.evaluate_retrieval_coverage 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 ContextForge MCP Gateway, apply this rule, and every rag.evaluate_retrieval_coverage call is checked against it from then on.
Questions about rag.evaluate_retrieval_coverage
Measure if key information was retrieved by checking topic coverage. 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.evaluate_retrieval_coverage: 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.evaluate_retrieval_coverage 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.evaluate_retrieval_coverage 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.evaluate_retrieval_coverage. 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.evaluate_retrieval_coverage 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.
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