AI agents call contributor_impact_analysis to retrieve information from Search Tools MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This appears to be an analysis tool that examines contributor impact within a codebase—a read-only operation that retrieves and ranks information. No description provided, which moderately reduces confidence, but the consistent pattern across sibling tools (all analysis/search operations) and the word 'analysis' strongly suggest a Read category.
From the tool's definition Tool name 'contributor_impact_analysis' and server context showing analysis tools (analyze_config_impact, analyze_error_patterns, coderank_analysis, contextual_keyword_search, discover_side_effects).
Documented attack patterns abuse exactly the kind of access contributor_impact_analysis gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Search Tools MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for contributor_impact_analysis:
{
"version": "1",
"default": "deny",
"tools": {
"contributor_impact_analysis": {}
}
}contributor_impact_analysis is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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contributor_impact_analysis. It is categorised as a Read tool in the Search Tools MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Search Tools MCP Server MCP server in PolicyLayer and add a rule for contributor_impact_analysis: 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 Search Tools MCP Server. Nothing to install.
contributor_impact_analysis 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 contributor_impact_analysis 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 contributor_impact_analysis. 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.
contributor_impact_analysis is provided by the Search Tools MCP Server MCP server (voxmenthe/search-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Search Tools MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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21 Search Tools MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.