AI agents call dsql_lint as a supporting operation in AWS DocumentDB MCP Server workflows.
The name suggests a linting/validation operation (static analysis), which would be a Read-like operation with no side effects. However, the empty description significantly lowers confidence. Linting tools generally only analyze and report issues without modifying data, so Other or Read would apply, but given the ambiguity, Other is chosen as it may be a specialized validation tool that doesn't fit neatly into Read.
From the tool's definition Tool name 'dsql_lint' and empty description provide minimal information. 'lint' typically refers to static analysis/validation of code or queries without side effects.
Documented attack patterns abuse exactly the kind of access dsql_lint gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and AWS DocumentDB MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for dsql_lint:
{
"version": "1",
"default": "deny",
"tools": {
"dsql_lint": {
"limits": [
{
"counter": "dsql_lint_rate",
"window": "minute",
"max": 60,
"scope": "grant"
}
]
}
}
}dsql_lint gets a rate cap, and everything else on the server is denied unless you say otherwise.
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dsql_lint. It is categorised as a Other tool in the AWS DocumentDB MCP Server MCP Server, which means it performs auxiliary operations.
Register the AWS DocumentDB MCP Server MCP server in PolicyLayer and add a rule for dsql_lint: 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 DocumentDB MCP Server. Nothing to install.
dsql_lint is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the dsql_lint 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 dsql_lint. 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.
dsql_lint is provided by the AWS DocumentDB MCP Server MCP server (awslabs.documentdb-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from AWS DocumentDB MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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805 AWS DocumentDB MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.