Get the DNA/RNA/protein sequence for a given region or feature
AI agents call get_sequence to retrieve information from Ensembl 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 genomic sequence data without side effects. It performs a read-only query against the Ensembl genomics API. There is no capability to modify data, execute code, delete records, or commit financial transactions. The blast radius of misuse is minimal — an attacker could retrieve publicly available genomic information, which causes no damage or unauthorized state change.
From the tool's definition Tool name is 'get_sequence' and description states 'Get the DNA/RNA/protein sequence for a given region or feature' — purely a retrieval operation with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get the DNA/RNA/protein sequence for a given region or feature. It is categorised as a Read tool in the Ensembl MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Ensembl MCP Server MCP server in PolicyLayer and add a rule for get_sequence: 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 Ensembl MCP Server. Nothing to install.
get_sequence 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_sequence 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_sequence. 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_sequence is provided by the Ensembl MCP Server MCP server (munch-group/ensembl-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
get_sequence is one line of Ensembl MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →