Retrieve results from a submitted BLAST job using the Request ID. Get detailed sequence alignments, similarity scores, and annotations. Multiple output formats available including XML, JSON, and tabular.
AI agents call blast_get to retrieve information from Entrez MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
blast_get performs a query operation that retrieves pre-computed BLAST results using a Request ID. It returns data in multiple output formats but does not create, modify, delete, or execute operations. This is purely a read operation with no side effects on the underlying data or external systems.
From the tool's definition Tool description states 'Retrieve results from a submitted BLAST job' and 'Get detailed sequence alignments, similarity scores, and annotations.' The verb 'Retrieve' and 'Get' indicate read-only data retrieval with no modification capabilities.
Attacks that exploit this kind of access
Retrieve results from a submitted BLAST job using the Request ID. Get detailed sequence alignments, similarity scores, and annotations. Multiple output formats available including XML, JSON, and tabular. It is categorised as a Read tool in the Entrez MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Entrez MCP Server MCP server in PolicyLayer and add a rule for blast_get: 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 Entrez MCP Server. Nothing to install.
blast_get 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 blast_get 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 blast_get. 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.
blast_get is provided by the Entrez MCP Server MCP server (leongxj123/entrez-mcp-server). 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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