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aws-security-mcp

by jowhee327
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

scan_security_hub_findings

Scan Security Hub findings across AWS or Huawei Cloud regions to identify security risks, read-only, without modifying any resources.

Instructions

Run Security Hub Findings security scanner only. Read-only. Does not modify any AWS resources.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
regionNoAWS region to scan (default: server region)
providerNoCloud provider to scan (default: aws). With huaweicloud, `region` is a Huawei Cloud region ID (e.g. cn-north-4); omit it or pass "all" to scan every region project of the account. Huawei Cloud Phase 1 is single-account (org_mode falls back to the current account with a warning).

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.9.0
    • addedInput schema / properties / provider
      Added value: +{
+  "description": "Cloud provider to scan (default: aws). With huaweicloud, `region` is a Huawei Cloud region ID (e.g. cn-north-4); omit it or pass \"all\" to scan every region project of the account. Huawei Cloud Phase 1 is single-account (org_mode falls back to the current account with a warning).",
+  "enum": [
+    "aws",
+    "huaweicloud"
+  ],
+  "type": "string"
+}
  2. First observedv0.7.6

TDQS

A3.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden and explicitly states 'Read-only. Does not modify any AWS resources.' This clearly discloses the most important behavioral trait (safety). It does not cover other behaviors like output format or permissions, but the read-only guarantee is strong.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with no filler. The purpose is front-loaded and the safety note is a valuable second sentence. Every word earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers purpose and safety, but with no output schema and many siblings like save_results and generate_report, it leaves unclear what the scan produces or whether results are returned or saved. For a tool with optional parameters and no annotations, this is a moderate gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameters are described in the schema, including the Huawei Cloud provider behavior. The description adds no parameter-level detail beyond the schema, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific action ('Run Security Hub Findings security scanner only') with a clear resource and scope. The word 'only' distinguishes it from broader scanners like scan_all and other findings scanners like scan_guardduty_findings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is given on when to use this tool versus alternatives. The sibling list includes many overlapping scanners (GuardDuty, Inspector, Trusted Advisor), and the description does not mention how this scanner differs or when to choose it over scan_all or scan_group.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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