Back to MCP Trust Indexm8ven
C
Limited view
73/100
13 days ago

QR Reader MCP Server

Enables AI assistants to decode QR codes from images, with tools for scanning full images and enhancing blurry or reflective regions before decoding, plus quality diagnostics to guide retry strategies.

→ Shalim-C/qr-reader-mcp-server· listed on glama

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Limited view: static analysis for Python is partially covered.

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Who stands behind it

Shalim-C

Source: Glama

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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configLOG_LEVEL"": "info",
configREAD_ONLY_MODE"": "false"
configMAX_IMAGE_SIZE10485760 图片大小上限（字节，默认 10 MB）
configMAX_INPUT_PIXELS4096 图片长边超过此值自动缩放
configQR_BLUR_THRESHOLD50.0 Laplacian 方差归一化阈值（模糊贡献 = 阈值 ÷ 实际方差）
configQR_CONTRAST_PERFECT0.50 对比度归一化锚点（实际对比度越接近此值越健康）
configQR_MODULATION_PERFECT0.70 ISO 15415 调制比归一化锚点
configQR_GLARE_MAX0.30 反光归一化上界（超过视为严重反光）
configQR_NOISE_MAX50.0 噪声归一化上界
configQR_ANGLE_MAX30.0 畸变角度归一化上界（度）
configQR_LEG_RATIO_MIN0.60 畸变腿比归一化下界
configMAX_OUTPUT_PIXELS16384 增强管线单步输出长边上限（upscale 超限即拒绝，防链式放大 OOM）
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

4/4 tools missing one or more hints — call_tool (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); decode_qrcode_full (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); enhance_and_decode (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +1 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tests exist

No test files found

Add tests that exercise each declared tool.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/shalim-c-qr-reader-mcp-server-1q4b38)](https://m8ven.ai/mcp/shalim-c-qr-reader-mcp-server-1q4b38)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: d097741bb48b93cbd1cc5c45265c6bfc0f8af7c6
code hash: f1f9c2c334cc6fa09adf52908ccd3f501e3a36dd935783d5ccc4c364e1e836f2
verified: 8/8/2026, 8:10:34 AM
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