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 HTTP endpoint POST /api/tools/env-linter/execute. See the MCP reference →

Use in the browser View as Markdown

Call it over REST

POST https://api.findutils.com/api/tools/env-linter/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/env-linter/execute \
  -H "Content-Type: application/json" \
  -d '{
    "env": "FOO=1\nFOO=2\n",
    "example": "FOO=\nBAR=\n"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/env-linter

Interactive docs · OpenAPI 3.1 spec · All REST tools

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 an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:env_linter after one connect command.

Connect once

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

Open the MCP reference for Env Linter →

More Developer tools

A2ui Basic Catalog

Returns the authoritative basic-catalog JSON Schema (components, functions, theme) for the requested A2UI version.

A2ui Diff

Computes a structural diff between two A2UI JSONL payloads: surfaces added/removed, components added/removed/changed (by id), data-model pat

A2ui Examples

Returns one or more canonical A2UI JSONL examples matching a pattern (form, list, wizard, modal, chat, dashboard, checkout, typeahead, mcp-c

A2ui Prompt

Generates a drop-in LLM system prompt that teaches the model to output valid A2UI JSONL: includes the basic-catalog component / function lis

A2ui Spec

Returns A2UI protocol documentation for a given spec version and section.

A2ui Validate

Validates a JSONL A2UI payload against the basic catalog (or a custom catalog) and returns any errors, warnings, or info messages with exact

Ai Model Picker

Return the best-matching AI coding models (top 3 by default) for a project, scored on speed, accuracy, cost and context window from four ans

Aspect Ratio

Compute the aspect ratio of width:height.