Download full text PDF for an open access paper. Returns the cached file path on success.
AI agents call openalex_download_fulltext to retrieve information from OpenAlex 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 downloads existing academic papers that are already openly accessible. While 'download' might suggest a write operation, in this context it is purely reading/retrieving data from remote sources and caching it locally for access. There are no side effects such as data modification, deletion, code execution, or financial transactions.
From the tool's definition Tool description states 'Download full text PDF for an open access paper. Returns the cached file path on success.' The action is retrieval of publicly available open access content with no modification, deletion, or execution of code.
Attacks that exploit this kind of access
Download full text PDF for an open access paper. Returns the cached file path on success. It is categorised as a Read tool in the OpenAlex MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenAlex MCP Server MCP server in PolicyLayer and add a rule for openalex_download_fulltext: 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 OpenAlex MCP Server. Nothing to install.
openalex_download_fulltext 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 openalex_download_fulltext 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 openalex_download_fulltext. 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.
openalex_download_fulltext is provided by the OpenAlex MCP Server MCP server (secretrichgarden/openalex-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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