kit

May 15, 2026

Changes in this version

type ExtensionAPI

+ Loaded func() []ExtensionInfo

+ type ExtensionInfo struct

+ CommandCount int

+ HandlerCount int

+ Path string

+ ToolCount int

May 13, 2026

Changes in this version

type AgentConfig

+ AuthHandler MCPAuthHandler

+ CoreTools []Tool

+ DebugLogger DebugLogger

+ DisableCoreTools bool

+ ExtraTools []Tool

+ MCPConfig *Config

+ MCPTaskConfig MCPTaskConfig

+ MaxSteps int

+ ModelConfig *ProviderConfig

+ OnMCPServerLoaded func(serverName string, toolCount int, err error)

+ StreamingEnabled bool

+ SystemPrompt string

+ TokenStoreFactory MCPTokenStoreFactory

+ ToolWrapper func([]Tool) []Tool

+ type DebugLogger interface

+ IsDebugEnabled func() bool

+ LogDebug func(message string)

+ type MCPTaskConfig struct

+ DefaultTTL time.Duration

+ MaxPollInterval time.Duration

+ PerServerMode map[string]MCPTaskMode

+ PollInterval time.Duration

+ Progress MCPTaskProgressHandler

+ Timeout time.Duration

May 8, 2026

Changes in this version

type Kit

+ func (m *Kit) GetSystemPromptSource() string

+ func (m *Kit) HasCustomSystemPrompt() bool

May 4, 2026

Changes in this version

type Kit

+ func (m *Kit) CancelMCPTask(ctx context.Context, serverName, taskID string) (MCPTask, error)

+ func (m *Kit) GetMCPTask(ctx context.Context, serverName, taskID string) (MCPTask, error)

+ func (m *Kit) ListMCPTasks(ctx context.Context, serverName string) ([]MCPTask, error)

+ type MCPTask struct

+ CreatedAt time.Time

+ PollInterval time.Duration

+ Server string

+ Status MCPTaskStatus

+ StatusMessage string

+ TTL time.Duration

+ TaskID string

+ UpdatedAt time.Time

+ type MCPTaskMode string

+ const MCPTaskModeAlways

+ const MCPTaskModeAuto

+ const MCPTaskModeNever

+ type MCPTaskProgress struct

+ Message string

+ Server string

+ Status MCPTaskStatus

+ TaskID string

+ type MCPTaskProgressHandler func(MCPTaskProgress)

+ type MCPTaskStatus string

+ const MCPTaskStatusCancelled

+ const MCPTaskStatusCompleted

+ const MCPTaskStatusFailed

+ const MCPTaskStatusInputRequired

+ const MCPTaskStatusWorking

+ func (s MCPTaskStatus) IsTerminal() bool

type Options

+ MCPTaskMaxPollInterval time.Duration

+ MCPTaskMode map[string]MCPTaskMode

+ MCPTaskPollInterval time.Duration

+ MCPTaskProgress MCPTaskProgressHandler

+ MCPTaskTTL time.Duration

+ MCPTaskTimeout time.Duration

Apr 22, 2026

Changes in this version

+ const LLMToolResultContentTypeError

+ const LLMToolResultContentTypeMedia

+ const LLMToolResultContentTypeText

+ type LLMPrompt = fantasy.Prompt

+ type LLMProviderMetadata = fantasy.ProviderMetadata

+ type LLMProviderOptions = fantasy.ProviderOptions

+ type LLMToolInfo = fantasy.ToolInfo

+ type LLMToolResultContentType = fantasy.ToolResultContentType

+ type LLMToolResultOutputContentMedia = fantasy.ToolResultOutputContentMedia

Apr 22, 2026

Changes in this version

+ type ErrorEvent struct

+ Error error

+ func (e ErrorEvent) EventType() EventType

type EventType

+ const EventError

+ const EventReasoningStart

+ const EventRetry

+ const EventSource

+ const EventStepFinish

+ const EventStepStart

+ const EventStreamFinish

+ const EventTextEnd

+ const EventTextStart

+ const EventWarnings

type Kit

+ func (m *Kit) OnCompaction(handler func(CompactionEvent)) func()

+ func (m *Kit) OnError(handler func(ErrorEvent)) func()

+ func (m *Kit) OnMessageEnd(handler func(MessageEndEvent)) func()

+ func (m *Kit) OnMessageStart(handler func(MessageStartEvent)) func()

+ func (m *Kit) OnMessageUpdate(handler func(MessageUpdateEvent)) func()

+ func (m *Kit) OnPrepareStep(p HookPriority, h func(PrepareStepHook) *PrepareStepResult) func()

+ func (m *Kit) OnReasoningComplete(handler func(ReasoningCompleteEvent)) func()

+ func (m *Kit) OnReasoningDelta(handler func(ReasoningDeltaEvent)) func()

+ func (m *Kit) OnReasoningStart(handler func(ReasoningStartEvent)) func()

+ func (m *Kit) OnRetry(handler func(RetryEvent)) func()

+ func (m *Kit) OnSource(handler func(SourceEvent)) func()

+ func (m *Kit) OnSteerConsumed(handler func(SteerConsumedEvent)) func()

+ func (m *Kit) OnStepFinish(handler func(StepFinishEvent)) func()

+ func (m *Kit) OnStepStart(handler func(StepStartEvent)) func()

+ func (m *Kit) OnStepUsage(handler func(StepUsageEvent)) func()

+ func (m *Kit) OnStreamFinish(handler func(StreamFinishEvent)) func()

+ func (m *Kit) OnTextEnd(handler func(TextEndEvent)) func()

+ func (m *Kit) OnTextStart(handler func(TextStartEvent)) func()

+ func (m *Kit) OnToolCallContent(handler func(ToolCallContentEvent)) func()

+ func (m *Kit) OnToolExecutionEnd(handler func(ToolExecutionEndEvent)) func()

+ func (m *Kit) OnToolExecutionStart(handler func(ToolExecutionStartEvent)) func()

+ func (m *Kit) OnWarnings(handler func(WarningsEvent)) func()

+ type PrepareStepHook struct

+ Messages []LLMMessage

+ StepNumber int

+ type PrepareStepResult struct

+ Messages []LLMMessage

+ type ReasoningStartEvent struct

+ ID string

+ func (e ReasoningStartEvent) EventType() EventType

+ type RetryEvent struct

+ Attempt int

+ Error error

+ func (e RetryEvent) EventType() EventType

+ type SourceEvent struct

+ ID string

+ SourceType string

+ Title string

+ URL string

+ func (e SourceEvent) EventType() EventType

+ type StepFinishEvent struct

+ FinishReason string

+ HasToolCalls bool

+ StepNumber int

+ Usage LLMUsage

+ func (e StepFinishEvent) EventType() EventType

+ type StepStartEvent struct

+ StepNumber int

+ func (e StepStartEvent) EventType() EventType

+ type StreamFinishEvent struct

+ FinishReason string

+ Usage LLMUsage

+ func (e StreamFinishEvent) EventType() EventType

+ type TextEndEvent struct

+ ID string

+ func (e TextEndEvent) EventType() EventType

+ type TextStartEvent struct

+ ID string

+ func (e TextStartEvent) EventType() EventType

+ type WarningsEvent struct

+ Warnings []string

+ func (e WarningsEvent) EventType() EventType

Apr 22, 2026

Changes in this version

+ type LLMToolCall = fantasy.ToolCall

+ type LLMToolResponse = fantasy.ToolResponse

type ToolOutput

+ func ImageResult(content string, data []byte, mediaType string) ToolOutput

+ func MediaResult(content string, data []byte, mediaType string) ToolOutput

Apr 21, 2026

Changes in this version

type EventType

+ const EventToolCallDelta

+ const EventToolCallEnd

+ const EventToolCallStart

type Kit

+ func (m *Kit) OnToolCallDelta(handler func(ToolCallDeltaEvent)) func()

+ func (m *Kit) OnToolCallEnd(handler func(ToolCallEndEvent)) func()

+ func (m *Kit) OnToolCallStart(handler func(ToolCallStartEvent)) func()

+ type ToolCallDeltaEvent struct

+ Delta string

+ ToolCallID string

+ func (e ToolCallDeltaEvent) EventType() EventType

+ type ToolCallEndEvent struct

+ ToolCallID string

+ func (e ToolCallEndEvent) EventType() EventType

+ type ToolCallStartEvent struct

+ ToolCallID string

+ ToolKind string

+ ToolName string

+ func (e ToolCallStartEvent) EventType() EventType

Apr 17, 2026

Changes in this version

type DefaultMCPAuthHandler

+ OnAuthURL func(serverName, authURL string)

Apr 17, 2026

Changes in this version

type Options

+ FrequencyPenalty *float32

+ MaxTokens int

+ PresencePenalty *float32

+ ProviderAPIKey string

+ ProviderURL string

+ TLSSkipVerify bool

+ Temperature *float32

+ ThinkingLevel string

+ TopK *int32

+ TopP *float32

Apr 16, 2026

Changes in this version

+ const FinishReasonContentFilter

+ const FinishReasonError

+ const FinishReasonLength

+ const FinishReasonOther

+ const FinishReasonStop

+ const FinishReasonToolCalls

+ const FinishReasonUnknown

type Kit

+ func (m *Kit) MaxOutputLimit() int

+ func (m *Kit) MaxTokens() int

Apr 15, 2026

Changes in this version

type EventType

+ const EventPasswordPrompt

+ type PasswordPromptEvent struct

+ Prompt string

+ ResponseCh chan<- PasswordPromptResponse

+ func (e PasswordPromptEvent) EventType() EventType

+ type PasswordPromptResponse struct

+ Cancelled bool

+ Password string

Apr 15, 2026

Changes in this version

type Kit

+ func (m *Kit) AddInProcessMCPServer(ctx context.Context, name string, srv *MCPServer) (int, error)

+ type MCPServer = server.MCPServer

type Options

+ InProcessMCPServers map[string]*MCPServer

Apr 15, 2026

Changes in this version

type Kit

+ func (m *Kit) GetMCPPrompt(ctx context.Context, serverName, promptName string, args map[string]string) (*MCPPromptResult, error)

+ func (m *Kit) ListMCPPrompts() []MCPPrompt

+ func (m *Kit) ListMCPResources() []MCPResource

+ func (m *Kit) ReadMCPResource(ctx context.Context, serverName, uri string) (*MCPResourceContent, error)

+ func (m *Kit) SubscribeMCPResource(ctx context.Context, serverName, uri string) error

+ func (m *Kit) UnsubscribeMCPResource(ctx context.Context, serverName, uri string) error

+ type MCPPrompt struct

+ Arguments []MCPPromptArgument

+ Description string

+ Name string

+ ServerName string

+ type MCPPromptArgument struct

+ Description string

+ Name string

+ Required bool

+ type MCPPromptMessage struct

+ Content string

+ FileParts []LLMFilePart

+ Role string

+ type MCPPromptResult struct

+ Description string

+ Messages []MCPPromptMessage

+ type MCPResource struct

+ Description string

+ MIMEType string

+ Name string

+ ServerName string

+ URI string

+ type MCPResourceContent struct

+ BlobData []byte

+ IsBlob bool

+ MIMEType string

+ Text string

+ URI string

Apr 14, 2026

Changes in this version

type CLIOptions

+ ProgressReaderFunc func(io.Reader) io.ReadCloser

Apr 10, 2026

Changes in this version

type Options

+ NoContextFiles bool

+ NoExtensions bool

+ NoSkills bool

Apr 9, 2026

Changes in this version

+ var ErrMCPNoToken = transport.ErrNoToken

type Kit

+ func (m *Kit) AddMCPServer(ctx context.Context, name string, cfg MCPServerConfig) (int, error)

+ func (m *Kit) ListMCPServers() []MCPServerStatus

+ func (m *Kit) RemoveMCPServer(name string) error

+ type MCPServerStatus struct

+ Name string

+ ToolCount int

+ type MCPToken = transport.Token

+ type MCPTokenStore = transport.TokenStore

+ type MCPTokenStoreFactory func(serverURL string) (MCPTokenStore, error)

type Options

+ MCPTokenStoreFactory MCPTokenStoreFactory

Apr 7, 2026

Changes in this version

+ func ToolCallIDFromContext(ctx context.Context) string

type Tool

+ func NewParallelTool[TInput any](name, description string, ...) Tool

+ func NewTool[TInput any](name, description string, ...) Tool

+ type ToolOutput struct

+ Content string

+ Data []byte

+ IsError bool

+ MediaType string

+ Metadata any

+ func ErrorResult(content string) ToolOutput

+ func TextResult(content string) ToolOutput

Apr 7, 2026

Changes in this version

+ type BranchEntry struct

+ Children []string

+ Content string

+ ID string

+ Model string

+ ParentID string

+ Provider string

+ RawParts []ContentPart

+ Role string

+ Timestamp time.Time

+ Type EntryType

+ type CompactionEntry struct

+ FirstKeptEntryID string

+ ID string

+ MessagesRemoved int

+ ModifiedFiles []string

+ ReadFiles []string

+ Summary string

+ Timestamp time.Time

+ TokensAfter int

+ TokensBefore int

+ type EntryType string

+ const EntryTypeBranchSummary

+ const EntryTypeCompaction

+ const EntryTypeExtensionData

+ const EntryTypeMessage

+ const EntryTypeModelChange

+ type ExtensionDataEntry struct

+ Data string

+ ExtType string

+ ID string

+ Timestamp time.Time

type Kit

+ func (m *Kit) GetSessionManager() SessionManager

+ func (m *Kit) SetSessionManager(sm SessionManager)

type Options

+ DisableCoreTools bool

+ SessionManager SessionManager

+ SkipConfig bool

+ type SessionManager interface

+ AppendCompaction func(summary string, firstKeptEntryID string, tokensBefore, tokensAfter int, ...) (string, error)

+ AppendExtensionData func(extType, data string) (string, error)

+ AppendMessage func(msg LLMMessage) (entryID string, err error)

+ AppendModelChange func(provider, modelID string) (string, error)

+ Branch func(entryID string) error

+ BuildContext func() (messages []LLMMessage, provider string, modelID string)

+ Close func() error

+ GetChildren func(parentID string) []string

+ GetContextEntryIDs func() []string

+ GetCreatedAt func() time.Time

+ GetCurrentBranch func() []BranchEntry

+ GetEntry func(entryID string) *BranchEntry

+ GetExtensionData func(extType string) []ExtensionDataEntry

+ GetLastCompaction func() *CompactionEntry

+ GetMessages func() []LLMMessage

+ GetSessionID func() string

+ GetSessionName func() string

+ IsPersisted func() bool

+ SetSessionName func(name string) error

+ func NewTreeManagerAdapter(tm *session.TreeManager) SessionManager

Apr 7, 2026

Changes in this version

type Options

+ OnMCPServerLoaded func(serverName string, toolCount int, err error)

Apr 7, 2026

Changes in this version

type Kit

+ func (m *Kit) MCPToolsReady() bool

+ func (m *Kit) ReloadSkills() error

+ func (m *Kit) WaitForMCPTools() error

Apr 4, 2026

Changes in this version

+ type CLIMCPAuthHandler struct

+ NotifyFunc func(serverName, message string)

+ func NewCLIMCPAuthHandler() (*CLIMCPAuthHandler, error)

+ func (h *CLIMCPAuthHandler) Close() error

+ func (h *CLIMCPAuthHandler) HandleAuth(ctx context.Context, serverName string, authURL string) (string, error)

+ func (h *CLIMCPAuthHandler) RedirectURI() string

+ type DefaultMCPAuthHandler struct

+ func NewDefaultMCPAuthHandler() (*DefaultMCPAuthHandler, error)

+ func NewDefaultMCPAuthHandlerWithPort(port int) (*DefaultMCPAuthHandler, error)

+ func (h *DefaultMCPAuthHandler) Close() error

+ func (h *DefaultMCPAuthHandler) HandleAuth(ctx context.Context, serverName string, authURL string) (string, error)

+ func (h *DefaultMCPAuthHandler) Port() int

+ func (h *DefaultMCPAuthHandler) RedirectURI() string

+ type MCPAuthHandler interface

+ HandleAuth func(ctx context.Context, serverName string, authURL string) (callbackURL string, err error)

+ RedirectURI func() string

type Options

+ MCPAuthHandler MCPAuthHandler

Apr 2, 2026

Changes in this version

type Kit

+ func (m *Kit) InjectSteerWithFiles(message string, files []LLMFilePart)

Apr 2, 2026

Changes in this version

type EventType

+ const EventReasoningComplete

+ type ReasoningCompleteEvent struct

+ func (e ReasoningCompleteEvent) EventType() EventType

Mar 31, 2026

Changes in this version

+ const LLMRoleAssistant

+ const LLMRoleSystem

+ const LLMRoleTool

+ const LLMRoleUser

+ var NewLLMSystemMessage = fantasy.NewSystemMessage

+ var NewLLMUserMessage = fantasy.NewUserMessage

+ type LLMFinishReason = fantasy.FinishReason

+ type LLMMessagePart = fantasy.MessagePart

+ type LLMMessageRole = fantasy.MessageRole

+ type LLMReasoningPart = fantasy.ReasoningPart

+ type LLMTextPart = fantasy.TextPart

+ type LLMToolCallPart = fantasy.ToolCallPart

+ type LLMToolResultOutputContent = fantasy.ToolResultOutputContent

+ type LLMToolResultOutputContentError = fantasy.ToolResultOutputContentError

+ type LLMToolResultOutputContentText = fantasy.ToolResultOutputContentText

+ type LLMToolResultPart = fantasy.ToolResultPart

Mar 29, 2026

Changes in this version

+ func ConvertToLLMMessages(msg *Message) []fantasy.Message

+ func GetLLMProviders() []string

+ type ExtensionAPI interface

+ AppendEntry func(extType, data string) (string, error)

+ Commands func() []extensions.CommandDef

+ EmitBeforeFork func(targetID string, isUserMsg bool, userText string) (cancelled bool, reason string)

+ EmitBeforeSessionSwitch func(switchReason string) (cancelled bool, reason string)

+ EmitCustomEvent func(name, data string)

+ EmitModelChange func(newModel, previousModel, source string)

+ EmitSessionStart func()

+ GetContext func() extensions.Context

+ GetEditor func() *extensions.EditorConfig

+ GetEntries func(extType string) []extensions.ExtensionEntry

+ GetFooter func() *extensions.HeaderFooterConfig

+ GetHeader func() *extensions.HeaderFooterConfig

+ GetMessageRenderer func(name string) *extensions.MessageRendererConfig

+ GetOption func(name string) string

+ GetSessionMessages func() []extensions.SessionMessage

+ GetShortcuts func() map[string]func()

+ GetStatusEntries func() []extensions.StatusBarEntry

+ GetToolInfos func() []extensions.ToolInfo

+ GetToolRenderer func(toolName string) *extensions.ToolRenderConfig

+ GetUIVisibility func() *extensions.UIVisibility

+ GetWidgets func(placement extensions.WidgetPlacement) []extensions.WidgetConfig

+ HasExtensions func() bool

+ Reload func() error

+ RemoveFooter func()

+ RemoveHeader func()

+ RemoveStatus func(key string)

+ RemoveWidget func(id string)

+ ResetEditor func()

+ SetActiveTools func(names []string)

+ SetContext func(ctx extensions.Context)

+ SetEditor func(config extensions.EditorConfig)

+ SetFooter func(config extensions.HeaderFooterConfig)

+ SetHeader func(config extensions.HeaderFooterConfig)

+ SetOption func(name, value string)

+ SetStatus func(entry extensions.StatusBarEntry)

+ SetUIVisibility func(v extensions.UIVisibility)

+ SetWidget func(config extensions.WidgetConfig)

+ UpdateContextModel func(model string)

type Kit

+ func (m *Kit) Extensions() ExtensionAPI

+ type LLMFilePart = fantasy.FilePart

+ type LLMMessage = fantasy.Message

+ type LLMResponse = fantasy.Response

+ type LLMUsage = fantasy.Usage

type Message

+ func ConvertFromLLMMessage(msg fantasy.Message) Message

Mar 28, 2026

Changes in this version

+ func AddProviderToModel(provider, model string) string

+ func CheckModelAvailable(model string) bool

+ func EvaluateModelConditional(currentModel, condition string) bool

+ func ExtractModelFromPath(model string) string

+ func ExtractProviderFromPath(model string) string

+ func GetCurrentModelID(model string) string

+ func GetCurrentProvider(model string) string

+ func GetModelCapabilities(model string) (extensions.ModelCapabilities, string)

+ func IsBareModelID(model string) bool

+ func JoinModel(provider, modelID string) string

+ func MatchModelGlob(model, pattern string) bool

+ func ParseArguments(input string, pattern extensions.ArgumentPattern) extensions.ParseResult

+ func ParseTemplate(name, content string) extensions.PromptTemplate

+ func RemoveProviderFromModel(model string) string

+ func RenderTemplate(tpl extensions.PromptTemplate, vars map[string]string) string

+ func RenderWithModelConditionals(content, currentModel string) string

+ func ResolveModelChain(preferences []string) extensions.ModelResolutionResult

+ func SimpleParseArguments(input string, count int) []string

type Kit

+ func (m *Kit) ClearSkillCache()

+ func (m *Kit) CollapseBranch(fromID, toID, summary string) string

+ func (m *Kit) DiscoverSkillsForExtension() []extensions.Skill

+ func (m *Kit) GetChildren(parentID string) []string

+ func (m *Kit) GetCurrentBranch() []TreeNode

+ func (m *Kit) GetTreeNode(entryID string) *TreeNode

+ func (m *Kit) LoadSkillForExtension(path string) (*extensions.Skill, string)

+ func (m *Kit) LoadSkillsFromDirForExtension(dir string) extensions.SkillLoadResult

+ func (m *Kit) NavigateTo(entryID string) string

+ func (m *Kit) SummarizeBranch(fromID, toID string) string

+ type TreeNode struct

+ Children []string

+ Content string

+ ID string

+ Model string

+ ParentID string

+ Provider string

+ Role string

+ Timestamp string

+ Type string

Mar 26, 2026

Changes in this version

+ func GetOpenAIAPIKey() string

+ func HasOpenAICredentials() bool

+ type OpenAICredentials = auth.OpenAICredentials

Mar 26, 2026

Changes in this version

type EventType

+ const EventSteerConsumed

type Kit

+ func (m *Kit) DrainSteer() []string

+ func (m *Kit) InjectSteer(message string)

+ func (m *Kit) IsGenerating() bool

+ type SteerConsumedEvent struct

+ Count int

+ func (e SteerConsumedEvent) EventType() EventType

Mar 25, 2026

Changes in this version

type EventType

+ const EventStepUsage

+ type StepUsageEvent struct

+ CacheReadTokens uint64

+ CacheWriteTokens uint64

+ InputTokens uint64

+ OutputTokens uint64

+ func (e StepUsageEvent) EventType() EventType

Mar 22, 2026

Changes in this version

type EventType

+ const EventToolOutput

type Kit

+ func (m *Kit) OnToolOutput(handler func(ToolOutputEvent)) func()

+ type ToolOutputEvent struct

+ Chunk string

+ IsStderr bool

+ ToolCallID string

+ ToolName string

+ func (e ToolOutputEvent) EventType() EventType

Mar 22, 2026

Changes in this version

type BeforeCompactResult

+ Summary string

type CompactionEvent

+ ModifiedFiles []string

+ ReadFiles []string

Mar 21, 2026

Changes in this version

type Kit

+ func (m *Kit) SubscribeSubagent(toolCallID string, listener EventListener) func()

Mar 20, 2026

Changes in this version

type TreeManager

+ func OpenTreeSession(path string) (*TreeManager, error)

Mar 20, 2026

Changes in this version

type Kit

+ func (m *Kit) PromptResultWithMessages(ctx context.Context, messages []string) (*TurnResult, error)

Mar 16, 2026

Changes in this version

type ToolResultMetadata

+ SubagentSessionID string

Mar 16, 2026

Changes in this version

+ const ToolKindEdit

+ const ToolKindExecute

+ const ToolKindRead

+ const ToolKindSearch

+ const ToolKindSubagent

type AfterToolResultHook

+ ToolCallID string

type BeforeToolCallHook

+ ToolCallID string

+ type DiffBlock struct

+ NewText string

+ OldText string

+ type FileDiffInfo struct

+ Additions int

+ Deletions int

+ DiffBlocks []DiffBlock

+ IsNew bool

+ Path string

type Kit

+ func (m *Kit) GetStructuredMessages() []StructuredMessage

+ func (m *Kit) Subagent(ctx context.Context, cfg SubagentConfig) (*SubagentResult, error)

+ type StructuredMessage struct

+ ID string

+ Model string

+ ParentID string

+ Parts []ContentPart

+ Provider string

+ Role MessageRole

+ Timestamp string

+ type SubagentConfig struct

+ Model string

+ NoSession bool

+ OnEvent func(Event)

+ Prompt string

+ SystemPrompt string

+ Timeout time.Duration

+ Tools []Tool

+ type SubagentResult struct

+ Elapsed time.Duration

+ Error error

+ Response string

+ SessionID string

+ StopReason string

+ Usage *FantasyUsage

type Tool

+ func SubagentTools(opts ...ToolOption) []Tool

type ToolCallEvent

+ ParsedArgs map[string]any

+ ToolCallID string

+ ToolKind string

type ToolExecutionEndEvent

+ ToolCallID string

+ ToolKind string

type ToolExecutionStartEvent

+ ToolCallID string

+ ToolKind string

type ToolResultEvent

+ Metadata *ToolResultMetadata

+ ParsedArgs map[string]any

+ ToolCallID string

+ ToolKind string

+ type ToolResultMetadata struct

+ FileDiffs []FileDiffInfo

type TurnEndEvent

+ StopReason string

type TurnResult

+ SessionID string

+ StopReason string

Mar 14, 2026

Changes in this version

type ToolExecutionStartEvent

+ ToolArgs string

Mar 8, 2026

Changes in this version

type EventType

+ const EventReasoningDelta

type Kit

+ func (m *Kit) GetThinkingLevel() string

+ func (m *Kit) IsReasoningModel() bool

+ func (m *Kit) PromptResultWithFiles(ctx context.Context, message string, files []fantasy.FilePart) (*TurnResult, error)

+ func (m *Kit) SetThinkingLevel(ctx context.Context, level string) error

+ type ReasoningDeltaEvent struct

+ Delta string

+ func (e ReasoningDeltaEvent) EventType() EventType

Mar 2, 2026

Changes in this version

+ type BeforeCompactHook struct

+ ContextLimit int

+ EstimatedTokens int

+ IsAutomatic bool

+ MessageCount int

+ UsagePercent float64

+ type BeforeCompactResult struct

+ Cancel bool

+ Reason string

+ type ContextPrepareHook struct

+ Messages []fantasy.Message

+ type ContextPrepareResult struct

+ Messages []fantasy.Message

type Kit

+ func (m *Kit) AppendExtensionEntry(extType, data string) (string, error)

+ func (m *Kit) EmitBeforeFork(targetID string, isUserMsg bool, userText string) (cancelled bool, reason string)

+ func (m *Kit) EmitBeforeSessionSwitch(switchReason string) (cancelled bool, reason string)

+ func (m *Kit) EmitExtensionCustomEvent(name, data string)

+ func (m *Kit) EmitModelChange(newModel, previousModel, source string)

+ func (m *Kit) ExecuteCompletion(ctx context.Context, req extensions.CompleteRequest) (extensions.CompleteResponse, error)

+ func (m *Kit) GetAvailableModels() []extensions.ModelInfoEntry

+ func (m *Kit) GetExtensionEntries(extType string) []extensions.ExtensionEntry

+ func (m *Kit) GetExtensionMessageRenderer(name string) *extensions.MessageRendererConfig

+ func (m *Kit) GetExtensionOption(name string) string

+ func (m *Kit) GetExtensionShortcuts() map[string]func()

+ func (m *Kit) GetExtensionStatusEntries() []extensions.StatusBarEntry

+ func (m *Kit) GetExtensionToolInfos() []extensions.ToolInfo

+ func (m *Kit) GetExtensionUIVisibility() *extensions.UIVisibility

+ func (m *Kit) GetSessionFilePath() string

+ func (m *Kit) GetSessionMessages() []extensions.SessionMessage

+ func (m *Kit) OnBeforeCompact(p HookPriority, h func(BeforeCompactHook) *BeforeCompactResult) func()

+ func (m *Kit) OnContextPrepare(p HookPriority, h func(ContextPrepareHook) *ContextPrepareResult) func()

+ func (m *Kit) ReloadExtensions() error

+ func (m *Kit) RemoveExtensionStatus(key string)

+ func (m *Kit) SetExtensionActiveTools(names []string)

+ func (m *Kit) SetExtensionOption(name, value string)

+ func (m *Kit) SetExtensionStatus(entry extensions.StatusBarEntry)

+ func (m *Kit) SetExtensionUIVisibility(v extensions.UIVisibility)

+ func (m *Kit) SetModel(ctx context.Context, modelString string) error

+ func (m *Kit) UpdateExtensionContextModel(model string)

Feb 28, 2026

Changes in this version

+ type CLIOptions struct

+ MCPConfig *config.Config

+ ShowSpinner bool

+ SpinnerFunc SpinnerFunc

+ UseBufferedLogger bool

type Kit

+ func (m *Kit) EmitSessionStart()

+ func (m *Kit) ExtensionCommands() []extensions.CommandDef

+ func (m *Kit) GetBufferedDebugMessages() []string

+ func (m *Kit) GetExtensionContext() extensions.Context

+ func (m *Kit) GetExtensionEditor() *extensions.EditorConfig

+ func (m *Kit) GetExtensionFooter() *extensions.HeaderFooterConfig

+ func (m *Kit) GetExtensionHeader() *extensions.HeaderFooterConfig

+ func (m *Kit) GetExtensionToolCount() int

+ func (m *Kit) GetExtensionToolRenderer(toolName string) *extensions.ToolRenderConfig

+ func (m *Kit) GetExtensionWidgets(placement extensions.WidgetPlacement) []extensions.WidgetConfig

+ func (m *Kit) GetLoadedServerNames() []string

+ func (m *Kit) GetLoadingMessage() string

+ func (m *Kit) GetMCPToolCount() int

+ func (m *Kit) GetToolNames() []string

+ func (m *Kit) HasExtensions() bool

+ func (m *Kit) RemoveExtensionFooter()

+ func (m *Kit) RemoveExtensionHeader()

+ func (m *Kit) RemoveExtensionWidget(id string)

+ func (m *Kit) ResetExtensionEditor()

+ func (m *Kit) SetExtensionContext(ctx extensions.Context)

+ func (m *Kit) SetExtensionEditor(config extensions.EditorConfig)

+ func (m *Kit) SetExtensionFooter(config extensions.HeaderFooterConfig)

+ func (m *Kit) SetExtensionHeader(config extensions.HeaderFooterConfig)

+ func (m *Kit) SetExtensionWidget(config extensions.WidgetConfig)

type Options

+ CLI *CLIOptions

Feb 27, 2026

Changes in this version

+ const RoleAssistant

+ const RoleSystem

+ const RoleTool

+ const RoleUser

+ var CreateProvider = models.CreateProvider

+ var GetGlobalRegistry = models.GetGlobalRegistry

+ var LoadSystemPrompt = config.LoadSystemPrompt

+ var ParseModelString = models.ParseModelString

+ var WithWorkDir = core.WithWorkDir

+ func BuildProviderConfig() (*models.ProviderConfig, string, error)

+ func CheckProviderReady(provider string) error

+ func ConvertToFantasyMessages(msg *Message) []fantasy.Message

+ func DeleteSession(path string) error

+ func FormatSkillsForPrompt(s []*Skill) string

+ func GetAnthropicAPIKey() string

+ func GetFantasyProviders() []string

+ func GetModelsForProvider(provider string) (map[string]ModelInfo, error)

+ func GetSupportedProviders() []string

+ func HasAnthropicCredentials() bool

+ func InitConfig(configFile string, debug bool) error

+ func InitTreeSession(opts *Options) (*session.TreeManager, error)

+ func LoadConfigWithEnvSubstitution(configPath string) error

+ func RefreshModelRegistry()

+ func SuggestModels(provider, invalidModel string) []string

+ func ValidateEnvironment(provider string, apiKey string) error

+ type AfterToolResultHook struct

+ IsError bool

+ Result string

+ ToolArgs string

+ ToolName string

+ type AfterToolResultResult struct

+ IsError *bool

+ Result *string

+ type AfterTurnHook struct

+ Error error

+ Response string

+ type AfterTurnResult struct

+ type AgentConfig = agent.AgentConfig

+ type AgentSetupOptions struct

+ CoreTools []fantasy.AgentTool

+ ExtraTools []fantasy.AgentTool

+ MCPConfig *config.Config

+ Quiet bool

+ ShowSpinner bool

+ SpinnerFunc agent.SpinnerFunc

+ ToolWrapper func([]fantasy.AgentTool) []fantasy.AgentTool

+ UseBufferedLogger bool

+ type AgentSetupResult struct

+ Agent *agent.Agent

+ BufferedLogger *tools.BufferedDebugLogger

+ ExtRunner *extensions.Runner

+ func SetupAgent(ctx context.Context, opts AgentSetupOptions) (*AgentSetupResult, error)

+ type AnthropicCredentials = auth.AnthropicCredentials

+ type BeforeToolCallHook struct

+ ToolArgs string

+ ToolName string

+ type BeforeToolCallResult struct

+ Block bool

+ Reason string

+ type BeforeTurnHook struct

+ Prompt string

+ type BeforeTurnResult struct

+ InjectText *string

+ Prompt *string

+ SystemPrompt *string

+ type CompactionEvent struct

+ CompactedTokens int

+ MessagesRemoved int

+ OriginalTokens int

+ Summary string

+ func (e CompactionEvent) EventType() EventType

+ type CompactionOptions = compaction.CompactionOptions

+ type CompactionResult = compaction.CompactionResult

+ type Config = config.Config

+ type ContentPart = message.ContentPart

+ type ContextFile struct

+ Content string

+ Path string

+ type ContextStats struct

+ ContextLimit int

+ EstimatedTokens int

+ MessageCount int

+ UsagePercent float64

+ type CredentialManager = auth.CredentialManager

+ func NewCredentialManager() (*CredentialManager, error)

+ type CredentialStore = auth.CredentialStore

+ type Event interface

+ EventType func() EventType

+ type EventListener func(event Event)

+ type EventType string

+ const EventCompaction

+ const EventMessageEnd

+ const EventMessageStart

+ const EventMessageUpdate

+ const EventResponse

+ const EventToolCall

+ const EventToolCallContent

+ const EventToolExecutionEnd

+ const EventToolExecutionStart

+ const EventToolResult

+ const EventTurnEnd

+ const EventTurnStart

+ type FantasyMessage = fantasy.Message

+ type FantasyResponse = fantasy.Response

+ type FantasyUsage = fantasy.Usage

+ type Finish = message.Finish

+ type GenerateResult = agent.GenerateWithLoopResult

+ type HookPriority int

+ const HookPriorityHigh

+ const HookPriorityLow

+ const HookPriorityNormal

+ type Kit struct

+ func New(ctx context.Context, opts *Options) (*Kit, error)

+ func (m *Kit) Branch(entryID string) error

+ func (m *Kit) ClearSession()

+ func (m *Kit) Close() error

+ func (m *Kit) Compact(ctx context.Context, opts *CompactionOptions, customInstructions string) (*CompactionResult, error)

+ func (m *Kit) EstimateContextTokens() int

+ func (m *Kit) FollowUp(ctx context.Context, text string) (string, error)

+ func (m *Kit) GetAgent() *agent.Agent

+ func (m *Kit) GetBufferedLogger() *tools.BufferedDebugLogger

+ func (m *Kit) GetContextFiles() []*ContextFile

+ func (m *Kit) GetContextStats() ContextStats

+ func (m *Kit) GetExtRunner() *extensions.Runner

+ func (m *Kit) GetModelInfo() *ModelInfo

+ func (m *Kit) GetModelString() string

+ func (m *Kit) GetSessionID() string

+ func (m *Kit) GetSessionPath() string

+ func (m *Kit) GetSkills() []*Skill

+ func (m *Kit) GetTools() []Tool

+ func (m *Kit) GetTreeSession() *TreeManager

+ func (m *Kit) OnAfterToolResult(p HookPriority, h func(AfterToolResultHook) *AfterToolResultResult) func()

+ func (m *Kit) OnAfterTurn(p HookPriority, h func(AfterTurnHook)) func()

+ func (m *Kit) OnBeforeToolCall(p HookPriority, h func(BeforeToolCallHook) *BeforeToolCallResult) func()

+ func (m *Kit) OnBeforeTurn(p HookPriority, h func(BeforeTurnHook) *BeforeTurnResult) func()

+ func (m *Kit) OnResponse(handler func(ResponseEvent)) func()

+ func (m *Kit) OnStreaming(handler func(MessageUpdateEvent)) func()

+ func (m *Kit) OnToolCall(handler func(ToolCallEvent)) func()

+ func (m *Kit) OnToolResult(handler func(ToolResultEvent)) func()

+ func (m *Kit) OnTurnEnd(handler func(TurnEndEvent)) func()

+ func (m *Kit) OnTurnStart(handler func(TurnStartEvent)) func()

+ func (m *Kit) Prompt(ctx context.Context, message string) (string, error)

+ func (m *Kit) PromptResult(ctx context.Context, message string) (*TurnResult, error)

+ func (m *Kit) PromptWithCallbacks(ctx context.Context, message string, onToolCall func(name, args string), ...) (string, error)

+ func (m *Kit) PromptWithOptions(ctx context.Context, msg string, opts PromptOptions) (string, error)

+ func (m *Kit) SetSessionName(name string) error

+ func (m *Kit) SetTreeSession(ts *TreeManager)

+ func (m *Kit) ShouldCompact() bool

+ func (m *Kit) Steer(ctx context.Context, instruction string) (string, error)

+ func (m *Kit) Subscribe(listener EventListener) func()

+ type MCPServerConfig = config.MCPServerConfig

+ type Message = message.Message

+ func ConvertFromFantasyMessage(msg fantasy.Message) Message

+ type MessageEndEvent struct

+ Content string

+ func (e MessageEndEvent) EventType() EventType

+ type MessageEntry = session.MessageEntry

+ type MessageRole = message.MessageRole

+ type MessageStartEvent struct

+ func (e MessageStartEvent) EventType() EventType

+ type MessageUpdateEvent struct

+ Chunk string

+ func (e MessageUpdateEvent) EventType() EventType

+ type ModelCost = models.Cost

+ type ModelInfo = models.ModelInfo

+ func LookupModel(provider, modelID string) *ModelInfo

+ type ModelLimit = models.Limit

+ type ModelsRegistry = models.ModelsRegistry

+ type Options struct

+ AutoCompact bool

+ CompactionOptions *CompactionOptions

+ ConfigFile string

+ Continue bool

+ Debug bool

+ ExtraTools []Tool

+ MCPConfig *config.Config

+ MaxSteps int

+ Model string

+ NoSession bool

+ Quiet bool

+ SessionDir string

+ SessionPath string

+ ShowSpinner bool

+ Skills []string

+ SkillsDir string

+ SpinnerFunc SpinnerFunc

+ Streaming bool

+ SystemPrompt string

+ Tools []Tool

+ UseBufferedLogger bool

+ type PromptBuilder = skills.PromptBuilder

+ func NewPromptBuilder(basePrompt string) *PromptBuilder

+ type PromptOptions struct

+ SystemMessage string

+ type PromptTemplate = skills.PromptTemplate

+ func LoadPromptTemplate(path string) (*PromptTemplate, error)

+ func NewPromptTemplate(name, content string) *PromptTemplate

+ type ProviderConfig = models.ProviderConfig

+ type ProviderInfo = models.ProviderInfo

+ func GetProviderInfo(provider string) *ProviderInfo

+ type ProviderResult = models.ProviderResult

+ type ReasoningContent = message.ReasoningContent

+ type ResponseEvent struct

+ Content string

+ func (e ResponseEvent) EventType() EventType

+ type ResponseHandler = agent.ResponseHandler

+ type SessionHeader = session.SessionHeader

+ type SessionInfo = session.SessionInfo

+ func ListAllSessions() ([]SessionInfo, error)

+ func ListSessions(dir string) ([]SessionInfo, error)

+ type Skill = skills.Skill

+ func LoadSkill(path string) (*Skill, error)

+ func LoadSkills(cwd string) ([]*Skill, error)

+ func LoadSkillsFromDir(dir string) ([]*Skill, error)

+ type SpinnerFunc = agent.SpinnerFunc

+ type StreamingResponseHandler = agent.StreamingResponseHandler

+ type TextContent = message.TextContent

+ type Tool = fantasy.AgentTool

+ func AllTools(opts ...ToolOption) []Tool

+ func CodingTools(opts ...ToolOption) []Tool

+ func NewBashTool(opts ...ToolOption) Tool

+ func NewEditTool(opts ...ToolOption) Tool

+ func NewFindTool(opts ...ToolOption) Tool

+ func NewGrepTool(opts ...ToolOption) Tool

+ func NewLsTool(opts ...ToolOption) Tool

+ func NewReadTool(opts ...ToolOption) Tool

+ func NewWriteTool(opts ...ToolOption) Tool

+ func ReadOnlyTools(opts ...ToolOption) []Tool

+ type ToolCall = message.ToolCall

+ type ToolCallContentEvent struct

+ Content string

+ func (e ToolCallContentEvent) EventType() EventType

+ type ToolCallContentHandler = agent.ToolCallContentHandler

+ type ToolCallEvent struct

+ ToolArgs string

+ ToolName string

+ func (e ToolCallEvent) EventType() EventType

+ type ToolCallHandler = agent.ToolCallHandler

+ type ToolExecutionEndEvent struct

+ ToolName string

+ func (e ToolExecutionEndEvent) EventType() EventType

+ type ToolExecutionHandler = agent.ToolExecutionHandler

+ type ToolExecutionStartEvent struct

+ ToolName string

+ func (e ToolExecutionStartEvent) EventType() EventType

+ type ToolOption = core.ToolOption

+ type ToolResult = message.ToolResult

+ type ToolResultEvent struct

+ IsError bool

+ Result string

+ ToolArgs string

+ ToolName string

+ func (e ToolResultEvent) EventType() EventType

+ type ToolResultHandler = agent.ToolResultHandler

+ type TreeManager = session.TreeManager

+ type TurnEndEvent struct

+ Error error

+ Response string

+ func (e TurnEndEvent) EventType() EventType

+ type TurnResult struct

+ FinalUsage *FantasyUsage

+ Messages []FantasyMessage

+ Response string

+ TotalUsage *FantasyUsage

+ type TurnStartEvent struct

+ Prompt string

+ func (e TurnStartEvent) EventType() EventType