# xAI Grok Images 接口字段 ## 协议身份 - 插件 ID：`xai-grok-images`。 - Provider ID：`grok-image`。 - 能力：`image`。 - 默认 Base URL：`https://api.x.ai`。 - 鉴权驱动：`bearer`。 - 创建：`POST /v1/images/generations`。 - 生命周期：同步响应。 ## 配置字段 | 字段 | 类型 | 必填 | 含义 | | --- | --- | --- | --- | | `apiKey` | secret | 是 | API Key | ## 统一字段映射 | 统一字段 | 类型 | 必填 | 上游映射 | 说明 | | --- | --- | --- | --- | --- | | `model` | string | 是 | `model` | 图片模型 ID。 | | `prompt` | string | 是 | `prompt` | 图片提示词。 | | `images` | media[] | 否 | `provider image/reference fields` | 参考图或编辑源图，role 由业务层确定。 | | `imageCount` | integer | 否 | `n/sample_count` | 输出数量。 | | `aspectRatio` | string | 否 | `size/aspect_ratio` | 比例或尺寸，语义按协议说明。 | | `resolution` | string | 否 | `resolution/imageSize` | 分辨率档位。 | | `quality` | string | 否 | `quality` | 质量档位。 | | `providerOptions` | object | 否 | `provider-specific fields` | 插件命名空间内的厂商扩展字段。 | ## 上游请求模板逐字段清单 下表由插件请求模板生成，覆盖 body、query、headers 和 multipart 文件声明中的每个字段。 | 上游位置 | 值或转换表达式 | | --- | --- | | `create.method` | `"POST"` | | `create.path` | `"/v1/images/generations"` | | `create.contentType` | `"application/json"` | | `create.body.model` | `{"$ref":"request.model"}` | | `create.body.prompt` | `{"$ref":"request.prompt"}` | | `create.body.image` | `{"$if":{"condition":{"$gt":[{"$len":{"$ref":"request.images"}},0]},"then":{"url":{"$first":{"$map":{"from":{"$filter":{"from":{"$sortByOrder":{"$ref":"request.images"}},"as":"media","where":{"$in":[{"$ref":"media.role"},["edit_source","reference_image",""]]}}},"as":"media","in":{"$ref":"media.value"}}}}},"else":null}}` | | `create.body.n` | `{"$if":{"condition":{"$gt":[{"$ref":"request.imageCount"},0]},"then":{"$ref":"request.imageCount"},"else":1}}` | | `create.body.response_format` | `{"$coalesce":[{"$ref":"request.providerOptions.grok-image.response_format"},"url"]}` | | `create.body.aspect_ratio` | `{"$omitEmpty":{"$switch":{"cases":[{"when":{"$in":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},["","auto"]]},"then":null},{"when":{"$in":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},["1:1","3:4","4:3","9:16","16:9","2:3","3:2","9:19.5","19.5:9","1:2","2:1"]]},"then":{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}}},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$eq":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]}]},"then":"1:1"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$gte":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},1.7]},{"$lte":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},1.8]}]},"then":"16:9"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$gte":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.5555555555555556]},{"$lte":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.5882352941176471]}]},"then":"9:16"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$gt":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},1.2]},{"$lt":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},1.4]}]},"then":"4:3"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$gt":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.7]},{"$lt":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.85]}]},"then":"3:4"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},0]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}},0]}]},{"$gte":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.6]},{"$lt":[{"$divide":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},0]}},{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]},1]}}]},0.72]}]},"then":"2:3"},{"when":{"$and":[{"$and":[{"$eq":[{"$len":{"$split":[{"$lower":{"$trim":{"$ref":"request.aspectRatio"}}},"x"]}},2]},{"$gt":[{"$toFloat":{"$at":[{"$split":[{"$lower":{"$trim":{"$ref":"request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| | `create.body.resolution` | `{"$omitEmpty":{"$switch":{"cases":[{"when":{"$in":[{"$lower":{"$trim":{"$coalesce":[{"$ref":"request.resolution"},{"$ref":"request.quality"}]}}},["1k","low","standard"]]},"then":"1k"},{"when":{"$in":[{"$lower":{"$trim":{"$coalesce":[{"$ref":"request.resolution"},{"$ref":"request.quality"}]}}},["2k","medium","hd","high","4k"]]},"then":"2k"}],"default":null}}}` | | `create.body.user` | `{"$omitEmpty":{"$ref":"request.providerOptions.grok-image.user"}}` | ## Provider 扩展键 - `providerOptions.grok-image.response_format` - `providerOptions.grok-image.user` 动态模型或工作流允许使用文档声明的完整 `parameters/input/extra_body` 对象；该对象是协议本身的开放 schema，不会被宿主裁剪。 ## 响应映射逐字段清单 | 映射位置 | 上游路径或转换表达式 | | --- | --- | | `response.status` | `"succeeded"` | | `response.images` | `{"$map":{"from":{"$ref":"response.data"},"as":"item","in":{"url":{"$omitEmpty":{"$ref":"item.url"}},"dataUrl":{"$if":{"condition":{"$ref":"item.b64_json"},"then":{"$concat":["data:image/png;base64,",{"$ref":"item.b64_json"}]},"else":null}}}}}` | | `response.errorPaths[0]` | `"error.code"` | | `response.messagePaths[0]` | `"error.message"` | ## 响应与错误 插件把上游 task/status/text/media/usage 映射为统一结果。临时媒体 URL 标记为 ephemeral，由宿主立即下载持久化。HTTP 错误、业务 code 和 error object 保持失败语义，不包装成成功。 ## 兼容边界 有参考图时改走 /v1/images/edits；resolution 只接受 1k/2k；像素尺寸会换算为 aspect_ratio。 ## Manifest 完整接口定义 以下 JSON 与插件包内实际 `manifest.json` 逐字段一致，覆盖插件身份、权限、配置、鉴权、参数、校验、创建、Agent、查询、取消、结果下载、响应和 Agent 响应映射。`documentation` 字段的值就是当前完整文档；为避免文档在自身内部无限递归，JSON 中仅用等义占位文本表示正文。 ```json { "apiVersion": "yingce.plugin/v2", "id": "xai-grok-images", "name": "xAI Grok Images", "version": "2.0.0", "author": "xAI / 影策", "description": "xAI Grok Images 独立请求协议插件。", "documentation": "<当前插件的完整 documentation，由 README.md 与 docs/interface.md 拼接而成；为避免 JSON 递归，此处不重复展开正文。>", "permissions": [ "generation.run", "media.read" ], "configuration": { "fields": [ { "name": "apiKey", "type": "secret", "label": "API Key", "required": true } ] }, "contributes": { "providers": [ { "id": "grok-image", "label": "xAI Grok Images", "capabilities": [ "image" ], "scopes": [ "admin.system-channel", "user.custom-channel", "canvas", "creation", "agent" ], "baseUrl": "https://api.x.ai", "requiresPublicMediaUrls": false, "auth": { "type": "bearer", "field": "apiKey" }, "parameters": [ { "name": "model", "type": "string", "required": true, "mapping": "model", "description": "图片模型 ID。" }, { "name": "prompt", "type": "string", "required": true, "mapping": "prompt", "description": "图片提示词。" }, { "name": "images", "type": "media[]", "required": false, "mapping": "provider image/reference fields", "description": "参考图或编辑源图，role 由业务层确定。" }, { "name": "imageCount", "type": "integer", "required": false, "mapping": "n/sample_count", "description": "输出数量。" }, { "name": "aspectRatio", "type": "string", "required": false, "mapping": "size/aspect_ratio", "description": "比例或尺寸，语义按协议说明。" }, { "name": "resolution", "type": "string", "required": false, "mapping": "resolution/imageSize", "description": "分辨率档位。" }, { "name": "quality", "type": "string", "required": false, "mapping": "quality", "description": "质量档位。" }, { "name": "providerOptions", "type": "object", "required": false, "mapping": "provider-specific fields", "description": "插件命名空间内的厂商扩展字段。" } ], "create": { "method": "POST", "path": "/v1/images/generations", "pathTemplate": { "$if": { "condition": { "$gt": [ { "$len": { "$ref": "request.images" } }, 0 ] }, "then": "/v1/images/edits", "else": "/v1/images/generations" } }, "contentType": "application/json", "body": { "model": { "$ref": "request.model" }, "prompt": { "$ref": "request.prompt" }, "image": { "$if": { "condition": { "$gt": [ { "$len": { "$ref": "request.images" } }, 0 ] }, "then": { "url": { "$first": { "$map": { "from": { "$filter": { "from": { "$sortByOrder": { "$ref": "request.images" } }, "as": "media", "where": { "$in": [ { "$ref": "media.role" }, [ "edit_source", "reference_image", "" ] ] } } }, "as": "media", "in": { "$ref": "media.value" } } } } }, "else": null } }, "n": { "$if": { "condition": { "$gt": [ { "$ref": "request.imageCount" }, 0 ] }, "then": { "$ref": "request.imageCount" }, "else": 1 } }, "response_format": { "$coalesce": [ { "$ref": "request.providerOptions.grok-image.response_format" }, "url" ] }, "aspect_ratio": { "$omitEmpty": { "$switch": { "cases": [ { "when": { "$in": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, [ "", "auto" ] ] }, "then": null }, { "when": { "$in": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, [ "1:1", "3:4", "4:3", "9:16", "16:9", "2:3", "3:2", "9:19.5", "19.5:9", "1:2", "2:1" ] ] }, "then": { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } } }, { "when": { "$and": [ { "$and": [ { "$eq": [ { "$len": { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] } }, 2 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, 0 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } }, 0 ] } ] }, { "$eq": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } } ] } ] }, "then": "1:1" }, { "when": { "$and": [ { "$and": [ { "$eq": [ { "$len": { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] } }, 2 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, 0 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } }, 0 ] } ] }, { "$gte": [ { "$divide": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } } ] }, 1.7 ] }, { "$lte": [ { "$divide": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } } ] }, 1.8 ] } ] }, "then": "16:9" }, { "when": { "$and": [ { "$and": [ { "$eq": [ { "$len": { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] } }, 2 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, 0 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } }, 0 ] } ] }, { "$gte": [ { "$divide": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } } ] }, 0.5555555555555556 ] }, { "$lte": [ { "$divide": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 1 ] } } ] }, 0.5882352941176471 ] } ] }, "then": "9:16" }, { "when": { "$and": [ { "$and": [ { "$eq": [ { "$len": { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] } }, 2 ] }, { "$gt": [ { "$toFloat": { "$at": [ { "$split": [ { "$lower": { "$trim": { "$ref": "request.aspectRatio" } } }, "x" ] }, 0 ] } }, 0 ] }, { "$gt": [ { "$toFloat": { "$at": [ { 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