get_github_pr_diff
AI agents call get_github_pr_diff to retrieve information from DCI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays differences between pull request versions—a read-only operation with no side effects. While the description is empty, the name itself clearly indicates a query/fetch operation. No data is created, modified, deleted, or executed. Low severity because diffing is informational only.
From the tool's definition Tool name 'get_github_pr_diff' indicates retrieval of pull request diff data from GitHub. The 'get_' prefix and 'diff' (a read-only comparison view) suggest data extraction without modification.
Attacks that exploit this kind of access
get_github_pr_diff. It is categorised as a Read tool in the DCI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DCI MCP Server MCP server in PolicyLayer and add a rule for get_github_pr_diff: 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 DCI MCP Server. Nothing to install.
get_github_pr_diff 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 get_github_pr_diff 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 get_github_pr_diff. 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.
get_github_pr_diff is provided by the DCI MCP Server MCP server (redhat-community-ai-tools/dci-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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