protocolcodec

package

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Versions in this module

v1

v1.9.0

Jul 13, 2026

Changes in this version

+ const CoreMethodElicitation

+ const CoreMethodRoots

+ const CoreMethodSampling

+ const ModernMethodCancel

+ const ModernMethodGet

+ const ModernMethodUpdate

+ const ModernTasksExtension

+ var ErrUnsupportedOperation = errors.New("protocolcodec: operation unsupported by protocol version")

+ func EncodeCacheMetadata(version ProtocolVersion, raw json.RawMessage, cache CacheMetadata) (json.RawMessage, error)

+ func EncodeResultType(version ProtocolVersion, raw json.RawMessage) (json.RawMessage, error)

+ func EncodeStructuredPresence(raw json.RawMessage, present, explicitNull bool) (json.RawMessage, error)

+ func ResourceNotFoundCode(version ProtocolVersion) int64

+ func ValidateModernInputRequest(declaredMethod string, raw json.RawMessage) error

+ func ValidateModernInputResponse(method string, raw json.RawMessage) error

+ type CacheMetadata struct

+ Scope string

+ TTLMs int64

type Codec

+ DecodeDetailedTaskResult func(raw json.RawMessage) (DetailedTask, error)

+ DecodeTaskAck func(raw json.RawMessage) error

+ DecodeUpdateTaskParams func(raw json.RawMessage) (UpdateTaskParams, error)

+ EncodeDetailedTaskResult func(t DetailedTask) (json.RawMessage, error)

+ EncodeTaskAck func() (json.RawMessage, error)

+ EncodeUpdateTaskParams func(p UpdateTaskParams) (json.RawMessage, error)

+ type DetailedTask struct

+ Error map[string]any

+ InputRequests map[string]json.RawMessage

+ Result map[string]any

type ProtocolVersion

+ const VersionMCP20260728

+ type UpdateTaskParams struct

+ InputResponses map[string]json.RawMessage

+ TaskID string

v1.8.0

Jun 30, 2026

v1.7.3

Jun 2, 2026

v1.7.2

Jun 2, 2026

v1.7.1

Jun 2, 2026

v1.7.0

Jun 2, 2026

v1.6.1

Jun 1, 2026

v1.6.0

May 30, 2026

Changes in this version

type AppsToolMeta

+ EmitLegacyResourceURI bool

v1.5.0

May 29, 2026

v1.4.0

May 29, 2026

v1.3.0

May 29, 2026

v1.2.0

May 29, 2026

v1.1.0

May 26, 2026

v1.0.0

May 25, 2026

Changes in this version

+ const DefaultVersion

+ const ExtensionApps

+ const ExtensionTasks

+ const MIMETypeApp

+ const VisibilityApp

+ const VisibilityModel

+ var ErrMalformedMeta = errors.New("protocolcodec: malformed extension metadata")

+ var ErrUnknownVersion = errors.New("protocolcodec: no codec registered for protocol version")

+ type AppsCSP struct

+ BaseURIDomains []string

+ ConnectDomains []string

+ FrameDomains []string

+ ResourceDomains []string

+ type AppsExtensionCapability struct

+ MIMETypes []string

+ type AppsPermissions struct

+ Camera bool

+ ClipboardWrite bool

+ Geolocation bool

+ Microphone bool

+ type AppsResourceMeta struct

+ CSP AppsCSP

+ Domain string

+ Permissions AppsPermissions

+ PrefersBorder *bool

+ type AppsToolMeta struct

+ ResourceURI string

+ Visibility []string

+ type Codec interface

+ DecodeAppsExtensionCapability func(raw json.RawMessage) (c AppsExtensionCapability, ok bool, err error)

+ DecodeAppsResourceMeta func(meta Meta) (m AppsResourceMeta, ok bool, err error)

+ DecodeAppsToolMeta func(meta Meta) (m AppsToolMeta, ok bool, err error)

+ DecodeCreateTaskResult func(raw json.RawMessage) (CreateTaskResult, error)

+ DecodeCreateTaskResultMeta func(meta Meta) (m CreateTaskResultMeta, ok bool, err error)

+ DecodeGetTaskResult func(raw json.RawMessage) (Task, error)

+ DecodeListTasksParams func(raw json.RawMessage) (ListTasksParams, error)

+ DecodeListTasksResult func(raw json.RawMessage) (ListTasksResult, error)

+ DecodeRelatedTaskMeta func(meta Meta) (taskID string, ok bool, err error)

+ DecodeSupplyInputParams func(raw json.RawMessage) (SupplyInputParams, error)

+ DecodeTask func(raw json.RawMessage) (Task, error)

+ DecodeTaskIDParams func(raw json.RawMessage) (TaskID, error)

+ DecodeTaskMeta func(raw json.RawMessage) (m TaskMeta, ok bool, err error)

+ DecodeTasksServerCapability func(raw json.RawMessage) (c TasksServerCapability, ok bool, err error)

+ EncodeAppsExtensionCapability func(c AppsExtensionCapability) (json.RawMessage, error)

+ EncodeAppsResourceMeta func(base Meta, m AppsResourceMeta) (Meta, error)

+ EncodeAppsToolMeta func(base Meta, m AppsToolMeta) (Meta, error)

+ EncodeCreateTaskResult func(r CreateTaskResult) (json.RawMessage, error)

+ EncodeCreateTaskResultMeta func(base Meta, m CreateTaskResultMeta) (Meta, error)

+ EncodeGetTaskResult func(t Task) (json.RawMessage, error)

+ EncodeListTasksParams func(p ListTasksParams) (json.RawMessage, error)

+ EncodeListTasksResult func(r ListTasksResult) (json.RawMessage, error)

+ EncodeRelatedTaskMeta func(base Meta, taskID string) (Meta, error)

+ EncodeTask func(t Task) (json.RawMessage, error)

+ EncodeTaskIDParams func(p TaskID) (json.RawMessage, error)

+ EncodeTaskMeta func(m TaskMeta) (json.RawMessage, error)

+ EncodeTasksServerCapability func(c TasksServerCapability) (json.RawMessage, error)

+ Version func() ProtocolVersion

+ func CodecFor(version ProtocolVersion) Codec

+ func CodecForStrict(version ProtocolVersion) (Codec, error)

+ type CreateTaskResult struct

+ Meta Meta

+ Task Task

+ type CreateTaskResultMeta struct

+ ModelImmediateResponse string

+ type ListTasksParams struct

+ Cursor string

+ type ListTasksResult struct

+ NextCursor string

+ Tasks []Task

+ type Meta map[string]any

+ type ProtocolVersion string

+ const VersionApps20260126

+ const VersionMCP20251125

+ func KnownVersions() []ProtocolVersion

+ type SupplyInputParams struct

+ Data json.RawMessage

+ Declined bool

+ TaskID string

+ type Task struct

+ CreatedAt time.Time

+ ID string

+ LastUpdatedAt time.Time

+ PollInterval *int64

+ Status TaskStatus

+ StatusMessage string

+ TTL *int64

+ type TaskID struct

+ ID string

+ type TaskMeta struct

+ TTL *int64

+ type TaskStatus string

+ const TaskCancelled

+ const TaskCompleted

+ const TaskFailed

+ const TaskInputRequired

+ const TaskWorking

+ func (s TaskStatus) CanTransitionTo(to TaskStatus) bool

+ func (s TaskStatus) IsTerminal() bool

+ func (s TaskStatus) Valid() bool

+ type TasksServerCapability struct

+ Cancel bool

+ List bool

+ ToolsCall bool

+ type ToolTaskSupport string

+ const TaskSupportForbidden

+ const TaskSupportOptional

+ const TaskSupportRequired

+ func (t ToolTaskSupport) Valid() bool

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