GrantHealthOmicsRepositoryAccess
AI agents use GrantHealthOmicsRepositoryAccess to create or update resources in AWS ElastiCache MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AWS ElastiCache MCP Server environment.
The name suggests granting access permissions to a HealthOmics repository, which is a Write/policy modification action. Granting access is reversible (permissions can be revoked), so Write is most appropriate. However, the empty description lowers confidence significantly. Severity is high because misconfigured access grants can expose sensitive health/genomics data to unauthorized parties.
From the tool's definition Tool name: GrantHealthOmicsRepositoryAccess; description is empty
Attacks that exploit this kind of access
GrantHealthOmicsRepositoryAccess. It is categorised as a Write tool in the AWS ElastiCache MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the AWS ElastiCache MCP Server MCP server in PolicyLayer and add a rule for GrantHealthOmicsRepositoryAccess: 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 AWS ElastiCache MCP Server. Nothing to install.
GrantHealthOmicsRepositoryAccess is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the GrantHealthOmicsRepositoryAccess 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 GrantHealthOmicsRepositoryAccess. 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.
GrantHealthOmicsRepositoryAccess is provided by the AWS ElastiCache MCP Server MCP server (awslabs.elasticache-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.