# io.github.shieldly-io/mcp (npm · @shieldly/mcp)

AI-Powered AWS security analysis: scan IAM policies and CloudFormation for risks and escalation.

- Trust score: 72/100 (medium)
- Change this week: −8
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@shieldly/mcp`: 72/100 (this document), [markdown](https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp.md), [page](https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp)

## Channel facts

- Registry: `npm`
- Package: `@shieldly/mcp`
- Version: `1.0.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - No production dependencies, so there is no dependency health to assess.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 23 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 71/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 192 tokens (~96/item across 2 items; 2 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add shieldly-io-mcp -- npx -y @shieldly/mcp
```

### Codex

```bash
codex mcp add shieldly-io-mcp -- npx -y @shieldly/mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "shieldly-io-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@shieldly/mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add shieldly-io-mcp --command npx --arg -y --arg @shieldly/mcp
```

### Hermes

```yaml
mcp_servers:
  shieldly-io-mcp:
    command: "npx"
    args: ["-y", "@shieldly/mcp"]
```

### Other

```json
{
  "mcpServers": {
    "shieldly-io-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@shieldly/mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 72, +4)

- [functional improvement] Stability: unverified → 0.23

### 2026-07-31 (score 68, −12)

- [security regression] Malware scan: pass → unverified
- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-27 (score 80, +33)

- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: fail
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: good

### 2026-07-26 (score 47)

First indexed and scored.

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

## MCP tools (2)

### `analyze_iam_policy` (~121 tokens)

Analyze AWS IAM Policy

AI-Powered security analysis of an AWS IAM policy (identity policy or cross-account trust+identity pair). Flags privilege-escalation paths, wildcards, and other over-permissive access. Runs in demo mode (rate-limited, no signup) if SHIELDLY_API_KEY is not set.

Input parameters:

- `policy` (string, required): The IAM policy JSON as a string. For cross_account, a JSON object with identityPolicy and trustPolicy.
- `policyType` (string): identity (default) for a normal IAM/resource policy, or cross_account.

### `analyze_cloudformation_template` (~71 tokens)

Analyze CloudFormation Template

AI-Powered security analysis of a CloudFormation template — extracts IAM roles/policies and flags over-permissive access. Runs in demo mode (rate-limited, no signup) if SHIELDLY_API_KEY is not set.

Input parameters:

- `template` (string, required): The CloudFormation template JSON as a string.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp#diagnostics

## Score history

- 2026-08-03: 72
- 2026-08-02: 68
- 2026-08-01: 68
- 2026-07-31: 68
- 2026-07-29: 80
- 2026-07-28: 80
- 2026-07-27: 80
- 2026-07-26: 47

## Links

- npm package: https://www.npmjs.com/package/@shieldly/mcp
- Socket report: https://socket.dev/npm/package/@shieldly/mcp
- Repository: https://github.com/shieldly-io/mcp
- Website: https://www.shieldly.io/
- Changelog RSS feed: https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/shieldly-io-mcp/shieldly-mcp