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Add support for audio content in prompts and tool results (#73)

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Mattt 2025-04-15 05:41:28 -07:00 • committed by GitHub
commit c748bc1549
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1 changed files with 57 additions and 4 deletions
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13
Sources/MCP/Server/Tools.swift
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@ -28,6 +28,8 @@ public struct Tool: Hashable, Codable, Sendable {
case text(String)
/// Image content
case image(data: String, mimeType: String, metadata: [String: String]?)
/// Audio content
case audio(data: String, mimeType: String)
/// Embedded resource content
case resource(uri: String, mimeType: String, text: String?)
@ -36,6 +38,7 @@ public struct Tool: Hashable, Codable, Sendable {
case text
case image
case resource
case audio
case uri
case mimeType
case data
@ -56,6 +59,10 @@ public struct Tool: Hashable, Codable, Sendable {
let metadata = try container.decodeIfPresent(
[String: String].self, forKey: .metadata)
self = .image(data: data, mimeType: mimeType, metadata: metadata)
case "audio":
let data = try container.decode(String.self, forKey: .data)
let mimeType = try container.decode(String.self, forKey: .mimeType)
self = .audio(data: data, mimeType: mimeType)
case "resource":
let uri = try container.decode(String.self, forKey: .uri)
let mimeType = try container.decode(String.self, forKey: .mimeType)
@ -79,6 +86,10 @@ public struct Tool: Hashable, Codable, Sendable {
try container.encode(data, forKey: .data)
try container.encode(mimeType, forKey: .mimeType)
try container.encodeIfPresent(metadata, forKey: .metadata)
case .audio(let data, let mimeType):
try container.encode("audio", forKey: .type)
try container.encode(data, forKey: .data)
try container.encode(mimeType, forKey: .mimeType)
case .resource(let uri, let mimeType, let text):
try container.encode("resource", forKey: .type)
try container.encode(uri, forKey: .uri)
@ -120,7 +131,7 @@ public enum ListTools: Method {
public struct Parameters: NotRequired, Hashable, Codable, Sendable {
public let cursor: String?
public init() {
self.cursor = nil
}