Rigour runs on your own machine — the client starts it, so there is no endpoint to ping. 1 397 installs a week from npm. Last commit 19 Oct 2026.
Lets coding agents review their change, find an existing helper, and recall the team's lessons.
What the code does
We read the source, 7 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
const reportPath = path.join(demoDir, config.output.report_path);
/(^|\s)--eval(\s|=|$)/,
const child = spawn(bin, argv, { stdio: ['ignore', 'pipe', 'pipe'], env: options.env, windowsHide: true });
const drop = /^drop\s+table\s+(?:if\s+exists\s+)?([\w.",\s]+?)(?:\s+(?:cascade|restrict))?$/i.exec(statement);
const SECRET_FILE = /(^|\/)(\.env(\..*)?|.*\.(pem|key|p12|pfx)|id_[a-z0-9]+|\.npmrc|\.netrc|credentials(\.json)?)$/i;
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add rigour -- npx -y @rigour-labs/mcp{
"mcpServers": {
"rigour": {
"command": "npx",
"args": [
"-y",
"@rigour-labs/mcp"
]
}
}
}[mcp_servers.rigour]
command = "npx"
args = ["-y", "@rigour-labs/mcp"]{
"mcpServers": {
"rigour": {
"command": "npx",
"args": [
"-y",
"@rigour-labs/mcp"
]
}
}
}{
"servers": {
"rigour": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@rigour-labs/mcp"
]
}
}
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Rigour — questions
Answers built from our own checks of this server.