Env Linter

Developer REST API MCP

Lint a dotenv file for duplicate keys, unquoted spaces, export prefixes, secret-looking values (masked), and drift against an optional .env.example. Returns issues and a masked key table. Does not execute the file.

This page documents the MCP tool findutils:env_linter. See the REST reference →

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:env_linter · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "env_linter",
      "arguments": {
        "env": "FOO=1\nFOO=2\n",
        "example": "FOO=\nBAR=\n"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
env	string	yes	Contents of a .env file.
example	string	no	Optional .env.example contents for key drift checks.

Example arguments (verified)

{
  "env": "FOO=1\nFOO=2\n",
  "example": "FOO=\nBAR=\n"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/env-linter/execute — no key, 60 requests/min.

Open the REST reference for Env Linter →

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