Module: Legion::Extensions::Llm::Anthropic

Extended by:
Core, AutoRegistration, Logging::Helper
Defined in:
lib/legion/extensions/llm/anthropic.rb,
lib/legion/extensions/llm/anthropic/version.rb,
lib/legion/extensions/llm/anthropic/provider.rb,
lib/legion/extensions/llm/anthropic/translator.rb,
lib/legion/extensions/llm/anthropic/actors/fleet_worker.rb,
lib/legion/extensions/llm/anthropic/runners/fleet_worker.rb,
lib/legion/extensions/llm/anthropic/registry_event_builder.rb,
lib/legion/extensions/llm/anthropic/actors/discovery_refresh.rb,
lib/legion/extensions/llm/anthropic/transport/exchanges/llm_registry.rb,
lib/legion/extensions/llm/anthropic/transport/messages/registry_event.rb

Overview

Anthropic provider extension namespace.

Defined Under Namespace

Modules: Actor, Runners, Transport Classes: Provider, RegistryEventBuilder, Translator

Constant Summary collapse

PROVIDER_FAMILY = 
:anthropic
DEFAULT_MODEL =

Provider’s preferred default when the operator configures none. Used only as a fallback and only when the configured model policy permits it (see resolve_default_model) — a whitelist/blacklist is never overridden.

'claude-sonnet-4-6'
VERSION = 
'0.2.26'

Class Method Summary collapse

Class Method Details

.default_settings ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 25

def self.default_settings
  ::Legion::Extensions::Llm.provider_settings(
    family:   PROVIDER_FAMILY,
    instance: {
      default_model:      DEFAULT_MODEL,
      endpoint:           'https://api.anthropic.com',
      api_version:        '2023-10-16',
      default_max_tokens: 4096,
      tier:               :frontier,
      transport:          :http,
      credentials:        { api_key: 'env://ANTHROPIC_API_KEY' },
      usage:              { inference: true, embedding: false, image: false },
      limits:             { concurrency: 4 },
      prompt_caching:     {},
      fleet:              {
        enabled:             false,
        respond_to_requests: false,
        capabilities:        %i[chat stream_chat]
      }
    }
  )
end

.discover_instances ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 56

def self.discover_instances
  candidates = {}

  env_key = CredentialSources.env('ANTHROPIC_API_KEY')
  if env_key
    candidates[:env] = {
      api_key:                env_key,
      anthropic_api_key:      env_key,
      tier:                   :frontier,
      source:                 CredentialSources.source_tag(:env, 'ANTHROPIC_API_KEY'),
      credential_fingerprint: CredentialSources.credential_fingerprint(env_key)
    }
  end

  claude_key = CredentialSources.claude_config_value(:anthropicApiKey)
  if claude_key
    candidates[:claude] = {
      api_key:                claude_key,
      anthropic_api_key:      claude_key,
      tier:                   :frontier,
      source:                 CredentialSources.source_tag(:file, '~/.claude/settings.json', 'anthropicApiKey'),
      credential_fingerprint: CredentialSources.credential_fingerprint(claude_key)
    }
  end

  settings_config = CredentialSources.setting(:extensions, :llm, :anthropic)
  if settings_config.is_a?(Hash)
    settings_key = settings_config[:api_key] || settings_config['api_key']
    if settings_key
      candidates[:settings] = normalize_instance_config(settings_config).merge(
        api_key:                settings_key,
        anthropic_api_key:      settings_key,
        tier:                   :frontier,
        source:                 CredentialSources.source_tag(:settings, 'extensions.llm.anthropic'),
        credential_fingerprint: CredentialSources.credential_fingerprint(settings_key)
      )
    end

    settings_instances(settings_config).each do |name, config|
      next unless config.is_a?(Hash)

      normalized = normalize_instance_config(config)
      next unless normalized[:anthropic_api_key]

      normalized[:api_key] = normalized[:anthropic_api_key]
      normalized[:source] =
        CredentialSources.source_tag(:settings, "extensions.llm.anthropic.instances.#{name}")
      normalized[:credential_fingerprint] =
        CredentialSources.credential_fingerprint(normalized[:anthropic_api_key])
      candidates[name.to_sym] = normalized.merge(tier: :frontier)
    end
  end

  if defined?(Legion::Identity::Broker)
    broker_cred = Legion::Identity::Broker.credential_for(:anthropic)
    if broker_cred
      candidates[:broker] = {
        api_key:                broker_cred,
        anthropic_api_key:      broker_cred,
        tier:                   :frontier,
        source:                 CredentialSources.source_tag(:broker, 'identity', 'anthropic'),
        credential_fingerprint: CredentialSources.credential_fingerprint(broker_cred)
      }
    end
  end

  CredentialSources.dedup_credentials(candidates).transform_values do |config|
    sanitized = sanitize_instance_config(config)
    sanitized[:capabilities] ||= %i[completion streaming vision tools].freeze
    sanitized[:default_model] = resolve_default_model(sanitized)
    sanitized
  end
end

.normalize_instance_config(config) ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 144

def self.normalize_instance_config(config)
  normalized = config.to_h.transform_keys { |key| key.respond_to?(:to_sym) ? key.to_sym : key }
  normalized[:anthropic_api_key] ||= normalized.delete(:api_key)
  normalized[:anthropic_api_base] ||= normalized.delete(:base_url)
  normalized[:anthropic_api_base] ||= normalized.delete(:api_base)
  normalized[:anthropic_api_base] ||= normalized.delete(:endpoint)
  normalized[:anthropic_version] ||= normalized.delete(:version)
  normalized.compact.except(:instances)
end

.provider_aliases ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 52

def self.provider_aliases
  []
end

.provider_class ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 48

def self.provider_class
  Provider
end

.resolve_default_model(config) ⇒ Object

Resolve a default_model that never violates the configured model policy (whitelist/blacklist stays authoritative over the DEFAULT_MODEL fallback).



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# File 'lib/legion/extensions/llm/anthropic.rb', line 132

def self.resolve_default_model(config)
  provider_class.policy_safe_default_model(
    configured: config[:default_model], fallback: DEFAULT_MODEL,
    **provider_class.model_policy(config, PROVIDER_FAMILY)
  )
end

.sanitize_instance_config(config) ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 154

def self.sanitize_instance_config(config)
  config.except(:api_key)
end

.settings_instances(config) ⇒ Object 



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# File 'lib/legion/extensions/llm/anthropic.rb', line 139

def self.settings_instances(config)
  instances = config[:instances] || config['instances']
  instances.is_a?(Hash) ? instances : {}
end