claude_json_disable_mcps.rb

claude_disable_mcps.rb

#!/usr/bin/env ruby

# LICENSE: MIT
# ASSITED_BY: CLAUDE CODE

require 'json'
require 'tempfile'

# Read the claude.json file
claude_json_path = File.expand_path('~/.claude.json')

unless File.exist?(claude_json_path)
  warn "Error: #{claude_json_path} not found"
  exit 1
end

# Parse the JSON
config = JSON.parse(File.read(claude_json_path))

# Extract MCP server names
mcp_servers = config['mcpServers']&.keys

unless mcp_servers.is_a? Array
  warn "No MCP servers found"
  exit 0
end

# Get all projects
projects = config['projects']

unless projects.is_a? Hash
  warn "No projects found"
  exit 0
end

warn "MCP servers: #{mcp_servers.join(', ')}"
warn

# Update projects
projects.each do |_project_path, project_config|
  project_config['disabledMcpServers'] = mcp_servers
end

# Generate new content
new_content = JSON.pretty_generate(config)

# Create temp files for diff
Tempfile.create('claude-new') do |updated|
  updated.write(new_content)
  updated.flush

  # Show colored diff
  if system("diff -u --color=always #{claude_json_path} #{updated.path}")
    warn "No changes done"
    exit
  end
end

warn

# Ask to update
print "Update #{claude_json_path}? (y/N) "
response = gets.chomp.downcase

if response == 'y'
  File.write(claude_json_path, new_content)
  warn "✓ Updated"
else
  warn "No changes made"
end