Test suite for validating MCP server implementations against the open MCP protocol specification. Helps developers ensure protocol compliance and
Test suite for validating MCP server implementations against the open MCP protocol specification. Helps developers ensure protocol compliance and interoperability. Exposed over MCP by the mcp protocol validator mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.
A testing suite and reference implementation for the Model Context Protocol (MCP).
The server ships on npm as @modelcontextprotocol/server-brave-search, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.
You will need 8 environment variables: MCP_OAUTH_ENABLED, MCP_OAUTH_INTROSPECTION_URL, MCP_OAUTH_REQUIRED_SCOPES, MCP_OAUTH_REALM, MCP_OAUTH_RESOURCE_INDICATORS, MCP_TLS_CERT_FILE, MCP_TLS_KEY_FILE, MCP_CORS_ORIGINS. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. It is maintained by Janix-ai; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
{
"mcpServers": {
"protocol-validator": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-brave-search"],
"env": {
"MCP_OAUTH_ENABLED": "your-value",
"MCP_OAUTH_INTROSPECTION_URL": "your-value",
"MCP_OAUTH_REQUIRED_SCOPES": "your-value",
"MCP_OAUTH_REALM": "your-value",
"MCP_OAUTH_RESOURCE_INDICATORS": "your-value",
"MCP_TLS_CERT_FILE": "your-value",
"MCP_TLS_KEY_FILE": "your-value",
"MCP_CORS_ORIGINS": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| MCP_OAUTH_ENABLED | Configuration value read at startup. | Optional |
| MCP_OAUTH_INTROSPECTION_URL | Endpoint or connection string the server talks to. | Yes |
| MCP_OAUTH_REQUIRED_SCOPES | Configuration value read at startup. | Optional |
| MCP_OAUTH_REALM | Configuration value read at startup. | Optional |
| MCP_OAUTH_RESOURCE_INDICATORS | Configuration value read at startup. | Optional |
| MCP_TLS_CERT_FILE | Configuration value read at startup. | Optional |
| MCP_TLS_KEY_FILE | Credential the server authenticates with. | Yes |
| MCP_CORS_ORIGINS | Configuration value read at startup. | Optional |
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