Is Protocol Conformance free?

Yes, Protocol Conformance is free to use.

How do I install Protocol Conformance?

Protocol Conformance is a local plugin. Install it using npm package: mcp-protocol-conformance and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What AI apps work with Protocol Conformance?

Protocol Conformance uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Protocol Conformance MCP Server

by Studiomeyer Io

Developer ToolsUse Caution4.2MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.

About

MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.

Security Report

4.2

Use Caution4.2High Risk

mcp-protocol-conformance is a well-structured conformance testing harness with reasonable security practices. The server is read-only with proper input validation via Zod schemas and SSRF protections. However, there are moderate concerns: (1) the HTTP adapter truncates at line 78 preventing full analysis, (2) potential for unbounded memory in mock OAuth when processing large authorization header values, and (3) broad network access for HTTP target testing. These issues are typical for a testing tool and do not indicate malicious intent, but users should be aware of the network and memory exposure. Supply chain analysis found 4 known vulnerabilities in dependencies (1 critical, 2 high severity). Package verification found 1 issue.

7 files analyzed · 11 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

Shell Command Execution

Runs commands on your machine. Be cautious — only use if you trust this plugin.

process_spawn

Check that this permission is expected for this type of plugin.

env_vars

Check that this permission is expected for this type of plugin.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-studiomeyer-protocol-conformance": {
      "args": [
        "-y",
        "mcp-protocol-conformance"
      ],
      "command": "npx"
    }
  }
}

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Protocol Conformance MCP Server

About

Security Report

Findings (11)Action required

Permissions Required

How to Install

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