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# Synced from ai-protocol v2/contracts/gemini-generate.contract.yaml (PT-079-R1)
$schema: "https://raw.githubusercontent.com/ailib-official/ai-protocol/main/schemas/v2/provider-contract.json"
contract_version: "1.0"
provider_id: google
api_style: gemini_generate
api_version: "v1beta"
request_mapping:
message_format: gemini_contents
role_mapping:
system: user
user: user
assistant: model
tool: user
system_message_handling: prepend_to_user
content_block_mapping:
text:
field: text
wrapper: array_of_parts
image:
format: gemini_inline_data
base64_field: inlineData.data
mime_type_field: inlineData.mimeType
document:
format: gemini_inline_data
source_wrapper: gemini_inline_data
base64_field: inlineData.data
mime_type_field: inlineData.mimeType
default_mime_type: application/pdf
ref_resolution: error_before_encode
response_mapping:
content_path: "$.candidates[0].content.parts[?(@.text)].text"
finish_reason_path: "$.candidates[0].finishReason"
usage_path: "$.usageMetadata"
finish_reason_mapping:
STOP: stop
MAX_TOKENS: length
SAFETY: content_filter
RECITATION: content_filter
capability_contracts:
streaming:
protocol: sse
supports_usage_in_stream: true
tools:
definition_format: gemini_declarations
authentication_contract:
method: query_param