pkgs/dart_mcp/lib/src/utils/constants.dart

// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// Constants for all keys used in the MCP API.
extension Keys on Never {
  static const accept = 'accept';
  static const action = 'action';
  static const additionalProperties = 'additionalProperties';
  static const allOf = 'allOf';
  static const annotations = 'annotations';
  static const anyOf = 'anyOf';
  static const argument = 'argument';
  static const arguments = 'arguments';
  static const audience = 'audience';
  static const blob = 'blob';
  static const cancel = 'cancel';
  static const capabilities = 'capabilities';
  static const clientInfo = 'clientInfo';
  static const completion = 'completion';
  static const completions = 'completions';
  static const const_ = 'const';
  static const content = 'content';
  static const contents = 'contents';
  static const context = 'context';
  static const costPriority = 'costPriority';
  static const cursor = 'cursor';
  static const data = 'data';
  static const decline = 'decline';
  static const default_ = 'default';
  static const description = 'description';
  static const destructiveHint = 'destructiveHint';
  static const details = 'details';
  static const elicitation = 'elicitation';
  static const elicitationId = 'elicitationId';
  static const embeddedResource = 'embeddedResource';
  static const enum_ = 'enum';
  static const error = 'error';
  static const exclusiveMaximum = 'exclusiveMaximum';
  static const exclusiveMinimum = 'exclusiveMinimum';
  static const experimental = 'experimental';
  static const form = 'form';
  static const format = 'format';
  static const hasMore = 'hasMore';
  static const hints = 'hints';
  static const icons = 'icons';
  static const idempotentHint = 'idempotentHint';
  static const includeContext = 'includeContext';
  static const inputSchema = 'inputSchema';
  static const instructions = 'instructions';
  static const intelligencePriority = 'intelligencePriority';
  static const isError = 'isError';
  static const items = 'items';
  static const lastModified = 'lastModified';
  static const level = 'level';
  static const listChanged = 'listChanged';
  static const logger = 'logger';
  static const logging = 'logging';
  static const maxItems = 'maxItems';
  static const maxLength = 'maxLength';
  static const maxProperties = 'maxProperties';
  static const maxTokens = 'maxTokens';
  static const maximum = 'maximum';
  static const message = 'message';
  static const messages = 'messages';
  static const meta = '_meta';
  static const metadata = 'metadata';
  static const mimeType = 'mimeType';
  static const minItems = 'minItems';
  static const minLength = 'minLength';
  static const minProperties = 'minProperties';
  static const minimum = 'minimum';
  static const mode = 'mode';
  static const model = 'model';
  static const modelPreferences = 'modelPreferences';
  static const multipleOf = 'multipleOf';
  static const name = 'name';
  static const nextCursor = 'nextCursor';
  static const not = 'not';
  static const oneOf = 'oneOf';
  static const openWorldHint = 'openWorldHint';
  static const outputSchema = 'outputSchema';
  static const path = 'path';
  static const pattern = 'pattern';
  static const patternProperties = 'patternProperties';
  static const prefixItems = 'prefixItems';
  static const priority = 'priority';
  static const progress = 'progress';
  static const progressToken = 'progressToken';
  static const prompts = 'prompts';
  static const properties = 'properties';
  static const propertyNames = 'propertyNames';
  static const protocolVersion = 'protocolVersion';
  static const readOnlyHint = 'readOnlyHint';
  static const reason = 'reason';
  static const ref = 'ref';
  static const requestId = 'requestId';
  static const requestedSchema = 'requestedSchema';
  static const required = 'required';
  static const resource = 'resource';
  static const resourceTemplates = 'resourceTemplates';
  static const resources = 'resources';
  static const role = 'role';
  static const roots = 'roots';
  static const sampling = 'sampling';
  static const serverInfo = 'serverInfo';
  static const size = 'size';
  static const sizes = 'sizes';
  static const speedPriority = 'speedPriority';
  static const src = 'src';
  static const stopReason = 'stopReason';
  static const stopSequences = 'stopSequences';
  static const structuredContent = 'structuredContent';
  static const subscribe = 'subscribe';
  static const systemPrompt = 'systemPrompt';
  static const temperature = 'temperature';
  static const text = 'text';
  static const theme = 'theme';
  static const title = 'title';
  static const toolChoice = 'toolChoice';
  static const tools = 'tools';
  static const total = 'total';
  static const type = 'type';
  static const unevaluatedItems = 'unevaluatedItems';
  static const unevaluatedProperties = 'unevaluatedProperties';
  static const uniqueItems = 'uniqueItems';
  static const uri = 'uri';
  static const uriTemplate = 'uriTemplate';
  static const url = 'url';
  static const value = 'value';
  static const values = 'values';
  static const version = 'version';
  static const websiteUrl = 'websiteUrl';
}