GrantHealthOmicsRepositoryAccess
AI agents use GrantHealthOmicsRepositoryAccess to create or update resources in CloudWatch Application Signals MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your CloudWatch Application Signals MCP Server environment.
The tool name suggests it grants access permissions to a HealthOmics repository, which is a Write-level operation (modifying access control policies). However, since the description is empty, confidence is lowered. Granting repository access could have significant security implications if misused (e.g., granting overly broad permissions), hence high severity.
From the tool's definition Tool name: GrantHealthOmicsRepositoryAccess — 'Grant' implies giving access/permissions to a HealthOmics repository. Description is empty.
Attacks that exploit this kind of access
GrantHealthOmicsRepositoryAccess. It is categorised as a Write tool in the CloudWatch Application Signals MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the CloudWatch Application Signals 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 CloudWatch Application Signals 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 CloudWatch Application Signals MCP Server MCP server (awslabs.cloudwatch-applicationsignals-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.