Module: Legion::MCP::Resources::ExtensionInfo

Extended by:
Logging::Helper
Defined in:
lib/legion/mcp/resources/extension_info.rb

Class Method Summary collapse

Class Method Details

.read(uri) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/legion/mcp/resources/extension_info.rb', line 29

def read(uri)
  log.info('Starting legion.mcp.resources.extension_info.read')
  name = uri.sub('legion://extensions/', '')
  return [] if name.empty?

  unless data_connected?
    return [{ uri: uri, mimeType: 'application/json',
              text: Legion::JSON.dump({ error: 'legion-data is not connected' }) }]
  end

  ext = Legion::Data::Model::Extension.where(name: name).first
  unless ext
    return [{ uri: uri, mimeType: 'application/json',
              text: Legion::JSON.dump({ error: "Extension '#{name}' not found" }) }]
  end

  runners = Legion::Data::Model::Runner.where(extension_id: ext.values[:id]).all
  result = ext.values.merge(
    runners: runners.map do |r|
      functions = Legion::Data::Model::Function.where(runner_id: r.values[:id]).all
      r.values.merge(functions: functions.map(&:values))
    end
  )

  [{ uri: uri, mimeType: 'application/json', text: Legion::JSON.dump(result) }]
rescue StandardError => e
  handle_exception(e, level: :warn, operation: 'legion.mcp.resources.extension_info.read')
  log.warn("ExtensionInfo#read failed: #{e.message}")
  [{ uri: uri, mimeType: 'application/json',
     text: Legion::JSON.dump({ error: "Failed to read extension: #{e.message}" }) }]
end

.register_read_handler(_server) ⇒ Object 



25
26
27
 
# File 'lib/legion/mcp/resources/extension_info.rb', line 25

def register_read_handler(_server)
  # Read handler is registered by RunnerCatalog to handle both resource types
end

.resource_templates ⇒ Object 



14
15
16
17
18
19
20
21
22
23
 
# File 'lib/legion/mcp/resources/extension_info.rb', line 14

def resource_templates
  [
    ::MCP::ResourceTemplate.new(
      uri_template: 'legion://extensions/{name}',
      name:         'extension-info',
      description:  'Detailed info about a Legion extension including runners, actors, and functions.',
      mime_type:    'application/json'
    )
  ]
end

.static_resources ⇒ Object 



10
11
12
 
# File 'lib/legion/mcp/resources/extension_info.rb', line 10

def static_resources
  []
end