Config Tools MCP Server

mcp-config-tools

MCP server providing configuration file tools for AI agents. Parse, validate, merge, convert, and diff configuration files across all common formats.

Tools

json_config

Read, validate, deep merge, and diff JSON/JSONC configuration files.

• parse — Parse JSONC (JSON with comments and trailing commas)
• validate — Check if content is valid JSON/JSONC
• merge — Deep merge two JSON configs (overlay wins on conflicts)
• diff — Find structural differences between two JSON configs

yaml_config

Read, validate, and convert YAML configuration files.

• parse — Parse YAML content to structured data
• validate — Check if content is valid YAML
• to_json — Convert YAML to JSON
• from_json — Convert JSON to YAML
• validate_schema — Validate against docker-compose, GitHub Actions, or Kubernetes schemas

toml_parser

Parse TOML configuration files (Cargo.toml, pyproject.toml, etc.).

• parse — Parse TOML content to structured data
• extract_section — Extract a specific section by dot-path
• list_deps — List dependencies from Cargo.toml or pyproject.toml
• compare_versions — Compare two semantic version strings

ini_parser

Parse INI and properties configuration files.

• parse — Parse INI content into sections and key-value pairs
• get_sections — List all section names
• get_value — Get a specific key from a section
• to_json — Convert INI to JSON
• from_json — Convert JSON back to INI format

config_diff

Compare two configuration files in any supported format.

• Auto-detects file format (JSON, YAML, TOML, INI)
• Cross-format comparison (e.g., compare a YAML file against a JSON file)
• Shows additions, removals, and changes with full nested paths

Setup

npm install
npm run build

MCP Configuration

{
  "mcpServers": {
    "config-tools": {
      "command": "node",
      "args": ["D:/products/mcp-servers/mcp-config-tools/dist/index.js"]
    }
  }
}

Dependencies

• @modelcontextprotocol/sdk — MCP protocol SDK
• yaml — YAML parser and serializer
• Built-in TOML and INI parsers (zero extra dependencies)