Silentfail MCP Server

@decksaga

代码仓库

基本信息

分类

开发工具

传输方式

stdio

作者

decksaga

提交者

Santiago Gutierrez

关于 Silentfail MCP Server

Diagnose MCP servers — health checks, tool testing, token cost audits, conflict detection, and security scanning with 50+ prompt injection patterns. Works as CLI or MCP server inside Claude Desktop.

#mcp #diagnostics #security#token-audit#claude #prompt-injection #cli

Silentfail MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "silentfail": {
      "command": "npx",
      "args": [
        "-y",
        "silentfail@latest",
        "--mcp"
      ]
    }
  }
}

Silentfail MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。

概览

What is SilentFail?

SilentFail is a diagnostic and security tool for MCP servers. It discovers all connected MCP servers across supported clients, tests their health, calculates token costs, and scans for security issues like prompt injection and data exfiltration.

How to use SilentFail?

Clone the repository, install dependencies, and build. Add SilentFail as an MCP server to Claude Desktop, or run the CLI directly with commands such as silentfail for a health check, silentfail --test for a full scan, or silentfail --dashboard for the web UI.

Key features of SilentFail

Discovers MCP configs from all major clients.
Spawns servers and measures startup time.
Tests each tool with smart inferred parameters.
Calculates exact token cost per server and tool.
Detects tool name conflicts across servers.
Scans for security threats like prompt injection.

Use cases of SilentFail

Diagnose which MCP servers are failing silently.
Audit token consumption across all connected servers.
Perform security scanning for prompt injection or data exfiltration.
Validate server health in CI/CD pipelines.
Optimize tool selection by comparing token costs.

常见问题

Does SilentFail scan itself?

No, when running as an MCP server, SilentFail automatically excludes itself from the scan to avoid recursion.

Is it safe to run tool tests?

Yes. SilentFail only calls tools with read-only, minimal test inputs (stock tickers, currency codes) and never sends destructive operations.

Can I use it in CI?

Yes, use `silentfail --test --json` for machine-readable

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