depmap_get_expression
A read tool on the Origene MCP server.
This record as markdown: /tools/gentel-lab-origenemcp/depmap-get-expression.md
What depmap_get_expression does on OrigeneMCP
AI agents call depmap_get_expression to retrieve information from OrigeneMCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why depmap_get_expression is rated Low
The tool appears to retrieve gene expression data from the DepMap database. As a 'get' operation on a biomedical database, it is a read-only retrieval with no side effects. Even if misused by an AI agent, it cannot modify, delete, or execute code—only retrieve data. Severity is low due to limited blast radius of information disclosure in a research context.
From the tool's definition Tool name 'depmap_get_expression' follows the pattern of read-only query tools on this server (e.g., depmap_get_dependency, depmap_get_mutation, ensembl_get_genes_by_band). The 'get' verb indicates retrieval rather than modification.
Attacks that exploit this kind of access
The rule that runs depmap_get_expression safely
PolicyLayer is an MCP gateway: it sits between your AI agents and OrigeneMCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For depmap_get_expression, this is the rule to start with:
depmap_get_expression is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect OrigeneMCP, apply this rule, and every depmap_get_expression call is checked against it from then on.
Questions about depmap_get_expression
depmap_get_expression is a read tool on the Origene MCP server. It is categorised as a Read tool in the OrigeneMCP MCP Server, which means it retrieves data without modifying state.
Register the Origene MCP server in PolicyLayer and add a rule for depmap_get_expression: 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 OrigeneMCP. Nothing to install.
depmap_get_expression 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 depmap_get_expression 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 depmap_get_expression. 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.
depmap_get_expression is provided by the Origene MCP server (gentel-lab/origenemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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