Find top-cited DOIs in a Wikipedia article with EuropePMC annotations.
AI agents call get_top_cited_papers to retrieve information from Wikicitation without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries existing citation metadata and DOI information from Wikipedia articles and external annotation services (EuropePMC). It retrieves data for analysis purposes with no side effects, no code execution, no data modification, and no destructive operations. The verb 'Find' indicates a search/lookup operation characteristic of Read category tools.
From the tool's definition Tool name 'get_top_cited_papers' and description 'Find top-cited DOIs in a Wikipedia article with EuropePMC annotations' describe a retrieval/query operation that fetches and returns citation data without modifying any state.
Attacks that exploit this kind of access
Find top-cited DOIs in a Wikipedia article with EuropePMC annotations. It is categorised as a Read tool in the Wikicitation MCP Server, which means it retrieves data without modifying state.
Register the Wikicitation MCP server in PolicyLayer and add a rule for get_top_cited_papers: 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 Wikicitation. Nothing to install.
get_top_cited_papers 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_top_cited_papers 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_top_cited_papers. 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_top_cited_papers is provided by the Wikicitation MCP server (jsobel1/wikicitation-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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