Class: RailsMarkup::McpConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_markup/mcp_config.rb

Overview

Reads and writes MCP configuration. Supports three scopes:

"local"  → .mcp.json (project-level, Claude Code)
"global" → ~/.claude/settings.json (Claude Code global)
"codex"  → ~/.codex/config.toml (OpenAI Codex CLI global)

Constant Summary collapse

FILE_NAME = 
".mcp.json"
GLOBAL_PATH = 
File.join(Dir.home, ".claude", "settings.json")
CODEX_PATH = 
File.join(Dir.home, ".codex", "config.toml")
SERVER_KEY = 
"rails-markup"
SCOPES = 
%w[local global codex].freeze
ENV_KEYS = 
{
  "prod_url"    => "RAILS_MARKUP_PROD_URL",
  "prod_token"  => "RAILS_MARKUP_PROD_TOKEN",
  "dev_url"     => "RAILS_MARKUP_DEV_URL",
  "mount_path"  => "RAILS_MARKUP_MOUNT_PATH"
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir: Dir.pwd, scope: "local") ⇒ McpConfig

Returns a new instance of McpConfig.



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# File 'lib/rails_markup/mcp_config.rb', line 28

def initialize(dir: Dir.pwd, scope: "local")
  @scope = scope
  @dir = dir
  @path = resolve_path(dir, scope)
end

Instance Attribute Details

#scope ⇒ Object (readonly)

Returns the value of attribute scope.



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# File 'lib/rails_markup/mcp_config.rb', line 26

def scope
  @scope
end

Instance Method Details

#display_env ⇒ Object 



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# File 'lib/rails_markup/mcp_config.rb', line 62

def display_env
  env.each_with_object({}) do |(k, v), hash|
    hash[k] = k.include?("TOKEN") ? mask(v) : v
  end
end

#env ⇒ Object Also known as: raw_env 



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# File 'lib/rails_markup/mcp_config.rb', line 48

def env
  read.dig(servers_key, SERVER_KEY, "env") || {}
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_markup/mcp_config.rb', line 34

def exist?
  File.exist?(@path)
end

#global? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_markup/mcp_config.rb', line 76

def global?
  @scope != "local"
end

#path ⇒ Object 



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# File 'lib/rails_markup/mcp_config.rb', line 38

def path
  @path
end

#read ⇒ Object 



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# File 'lib/rails_markup/mcp_config.rb', line 42

def read
  return {} unless exist?

  toml? ? read_toml : JSON.parse(File.read(@path))
end

#scope_label ⇒ Object 



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# File 'lib/rails_markup/mcp_config.rb', line 68

def scope_label
  case @scope
  when "global" then "~/.claude/settings.json"
  when "codex"  then "~/.codex/config.toml"
  else ".mcp.json"
  end
end

#toml? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_markup/mcp_config.rb', line 80

def toml?
  @scope == "codex"
end

#update_env(new_vars) ⇒ Object 



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# File 'lib/rails_markup/mcp_config.rb', line 54

def update_env(new_vars)
  if toml?
    update_env_toml(new_vars)
  else
    update_env_json(new_vars)
  end
end