gollem

package module

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Versions in this module

v0

v0.28.0

Jul 19, 2026

Changes in this version

type ContentResponse

+ CacheCreationInputToken int

+ CacheReadInputToken int

type Option

+ func WithPromptCache(enabled bool) Option

type Response

+ CacheCreationInputToken int

+ CacheReadInputToken int

type SessionConfig

+ func (c *SessionConfig) PromptCache() bool

type SessionOption

+ func WithSessionPromptCache(enabled bool) SessionOption

v0.27.0

Jun 30, 2026

Changes in this version

+ var ErrInvalidToolType = errors.New("invalid tool type")

type Parameter

+ func MustToolSchema[In, Out any]() *Parameter

+ func ToolSchema[In, Out any]() (*Parameter, error)

type Tool

+ func MustNewTool[In, Out any](name, description string, run func(ctx context.Context, in In) (Out, error)) Tool

+ func NewTool[In, Out any](name, description string, run func(ctx context.Context, in In) (Out, error)) (Tool, error)

v0.26.1

Jun 27, 2026

v0.26.0

Jun 13, 2026

Changes in this version

+ const DefaultLoopLimit

+ const DefaultMaxPDFSize

+ const HistoryVersion

+ var ErrCyclicReference = goerr.New("cyclic reference detected")

+ var ErrExitConversation = errors.New("exit conversation")

+ var ErrFunctionCallFormat = errors.New("function call format error")

+ var ErrHistoryVersionMismatch = errors.New("history version mismatch")

+ var ErrInvalidHistoryData = errors.New("invalid history data")

+ var ErrInvalidInputSchema = errors.New("invalid input schema")

+ var ErrInvalidParameter = errors.New("invalid parameter")

+ var ErrInvalidTag = goerr.New("invalid struct tag")

+ var ErrInvalidTool = errors.New("invalid tool specification")

+ var ErrLLMTypeMismatch = errors.New("llm type mismatch")

+ var ErrLoopLimitExceeded = errors.New("loop limit exceeded")

+ var ErrPlanAlreadyExecuted = errors.New("plan already executed")

+ var ErrPlanNotInitialized = errors.New("plan not properly initialized")

+ var ErrPlanStepFailed = errors.New("plan step execution failed")

+ var ErrProhibitedContent = errors.New("prohibited content")

+ var ErrSubAgentFactory = errors.New("subagent factory failed")

+ var ErrTagTokenExceeded = goerr.NewTag("token_exceeded")

+ var ErrTokenSizeExceeded = errors.New("token size exceeded")

+ var ErrToolArgsValidation = errors.New("tool arguments validation failed")

+ var ErrToolNameConflict = errors.New("tool name conflict")

+ var ErrUnsupportedType = goerr.New("unsupported type for schema conversion")

+ func IsValidImageMimeType(mimeType ImageMimeType) bool

+ func NewGenerateConfig(opts ...GenerateOption) generateConfig

+ type Agent struct

+ func New(llmClient LLMClient, options ...Option) *Agent

+ func (c *Agent) Clone() *gollemConfig

+ func (g *Agent) Execute(ctx context.Context, input ...Input) (_ *ExecuteResponse, err error)

+ func (x *Agent) Session() Session

+ type ContentBlockHandler func(ctx context.Context, req *ContentRequest) (*ContentResponse, error)

+ func BuildContentBlockChain(middlewares []ContentBlockMiddleware, handler ContentBlockHandler) ContentBlockHandler

+ type ContentBlockMiddleware func(next ContentBlockHandler) ContentBlockHandler

+ type ContentRequest struct

+ History *History

+ Inputs []Input

+ SystemPrompt string

+ type ContentResponse struct

+ Error error

+ FunctionCalls []*FunctionCall

+ InputToken int

+ OutputToken int

+ Texts []string

+ Thoughts []string

+ type ContentStreamHandler func(ctx context.Context, req *ContentRequest) (<-chan *ContentResponse, error)

+ func BuildContentStreamChain(middlewares []ContentStreamMiddleware, handler ContentStreamHandler) ContentStreamHandler

+ type ContentStreamMiddleware func(next ContentStreamHandler) ContentStreamHandler

+ type ContentType string

+ const ContentTypeJSON

+ const ContentTypeText

+ type ExecuteResponse struct

+ Texts []string

+ Thoughts []string

+ UserInputs []Input

+ func NewExecuteResponse(texts ...string) *ExecuteResponse

+ func (r *ExecuteResponse) IsEmpty() bool

+ func (r *ExecuteResponse) String() string

+ type FunctionCall struct

+ Arguments map[string]any

+ ID string

+ Name string

+ type FunctionResponse struct

+ Data map[string]any

+ Error error

+ ID string

+ Name string

+ func (f FunctionResponse) LogValue() slog.Value

+ func (f FunctionResponse) String() string

+ type GenerateOption func(*generateConfig)

+ func WithGenerateResponseSchema(schema *Parameter) GenerateOption

+ func WithMaxTokens(n int) GenerateOption

+ func WithTemperature(t float64) GenerateOption

+ func WithTopP(p float64) GenerateOption

+ type History struct

+ LLType LLMType

+ Messages []Message

+ Version int

+ func (x *History) Clone() *History

+ func (x *History) ToCount() int

+ func (x *History) UnmarshalJSON(data []byte) error

+ type HistoryRepository interface

+ Load func(ctx context.Context, sessionID string) (*History, error)

+ Save func(ctx context.Context, sessionID string, history *History) error

+ type Image struct

+ func NewImage(data []byte, opts ...ImageOption) (Image, error)

+ func NewImageFromReader(r io.Reader, opts ...ImageOption) (Image, error)

+ func (i Image) Base64() string

+ func (i Image) Data() []byte

+ func (i Image) LogValue() slog.Value

+ func (i Image) MimeType() string

+ func (i Image) String() string

+ type ImageContent struct

+ Data []byte

+ Detail string

+ MediaType string

+ URL string

+ type ImageMimeType string

+ const ImageMimeTypeGIF

+ const ImageMimeTypeHEIC

+ const ImageMimeTypeHEIF

+ const ImageMimeTypeJPEG

+ const ImageMimeTypePNG

+ const ImageMimeTypeWebP

+ type ImageOption func(*imageConfig) error

+ func WithMimeType(mimeType ImageMimeType) ImageOption

+ type Input interface

+ LogValue func() slog.Value

+ String func() string

+ type LLMClient interface

+ GenerateEmbedding func(ctx context.Context, dimension int, input []string) ([][]float64, error)

+ NewSession func(ctx context.Context, options ...SessionOption) (Session, error)

+ type LLMType string

+ const LLMTypeClaude

+ const LLMTypeGemini

+ const LLMTypeOpenAI

+ type Message struct

+ Contents []MessageContent

+ Metadata map[string]interface{}

+ Name string

+ Role MessageRole

+ type MessageContent struct

+ Data json.RawMessage

+ Meta json.RawMessage

+ Type MessageContentType

+ func NewImageContent(mediaType string, imageData []byte, url string, detail string) (MessageContent, error)

+ func NewPDFContent(pdfData []byte, url string) (MessageContent, error)

+ func NewTextContent(text string) (MessageContent, error)

+ func NewThinkingContent(text string) (MessageContent, error)

+ func NewToolCallContent(id, name string, args map[string]interface{}) (MessageContent, error)

+ func NewToolResponseContent(toolCallID, name string, response map[string]interface{}, isError bool) (MessageContent, error)

+ func (mc *MessageContent) GetImageContent() (*ImageContent, error)

+ func (mc *MessageContent) GetPDFContent() (*PDFContent, error)

+ func (mc *MessageContent) GetTextContent() (*TextContent, error)

+ func (mc *MessageContent) GetThinkingContent() (*ThinkingContent, error)

+ func (mc *MessageContent) GetToolCallContent() (*ToolCallContent, error)

+ func (mc *MessageContent) GetToolResponseContent() (*ToolResponseContent, error)

+ type MessageContentType string

+ const MessageContentTypeImage

+ const MessageContentTypePDF

+ const MessageContentTypeText

+ const MessageContentTypeThinking

+ const MessageContentTypeToolCall

+ const MessageContentTypeToolResponse

+ type MessageRole string

+ const RoleAssistant

+ const RoleSystem

+ const RoleTool

+ const RoleUser

+ type Option func(*gollemConfig)

+ func WithContentBlockMiddleware(middleware ContentBlockMiddleware) Option

+ func WithContentStreamMiddleware(middleware ContentStreamMiddleware) Option

+ func WithContentType(contentType ContentType) Option

+ func WithDisableArgsValidation() Option

+ func WithHistory(history *History) Option

+ func WithHistoryRepository(repo HistoryRepository, sessionID string) Option

+ func WithLogger(logger *slog.Logger) Option

+ func WithLoopLimit(loopLimit int) Option

+ func WithResponseMode(responseMode ResponseMode) Option

+ func WithResponseSchema(schema *Parameter) Option

+ func WithStrategy(strategy Strategy) Option

+ func WithSubAgents(subagents ...*SubAgent) Option

+ func WithSystemPrompt(systemPrompt string) Option

+ func WithToolMiddleware(middleware ToolMiddleware) Option

+ func WithToolSets(toolSets ...ToolSet) Option

+ func WithTools(tools ...Tool) Option

+ func WithTrace(handler trace.Handler) Option

+ type PDF struct

+ func NewPDF(data []byte, opts ...PDFOption) (PDF, error)

+ func NewPDFFromReader(r io.Reader, opts ...PDFOption) (PDF, error)

+ func (p PDF) Base64() string

+ func (p PDF) Data() []byte

+ func (p PDF) LogValue() slog.Value

+ func (p PDF) MimeType() string

+ func (p PDF) String() string

+ type PDFContent struct

+ Data []byte

+ URL string

+ type PDFOption func(*pdfOption)

+ func WithMaxPDFSize(size int) PDFOption

+ type Parameter struct

+ Default any

+ Description string

+ Enum []string

+ Items *Parameter

+ MaxItems *int

+ MaxLength *int

+ Maximum *float64

+ MinItems *int

+ MinLength *int

+ Minimum *float64

+ Pattern string

+ Properties map[string]*Parameter

+ Required bool

+ Title string

+ Type ParameterType

+ func MustToSchema(v any) *Parameter

+ func ToSchema(v any) (*Parameter, error)

+ func (p *Parameter) Validate() error

+ func (p *Parameter) ValidateValue(name string, value any) error

+ type ParameterType string

+ const TypeArray

+ const TypeBoolean

+ const TypeInteger

+ const TypeNumber

+ const TypeObject

+ const TypeString

+ type PromptTemplate struct

+ func DefaultPromptTemplate() *PromptTemplate

+ func NewPromptTemplate(tmpl string, params map[string]*Parameter) (*PromptTemplate, error)

+ func (p *PromptTemplate) Parameters() map[string]*Parameter

+ func (p *PromptTemplate) Render(args map[string]any) (string, error)

+ type QueryOption func(*queryConfig)

+ func WithQueryHistory(history *History) QueryOption

+ func WithQueryMaxRetry(n int) QueryOption

+ func WithQuerySystemPrompt(prompt string) QueryOption

+ type QueryResponse struct

+ Data *T

+ InputToken int

+ OutputToken int

+ func Query[T any](ctx context.Context, client LLMClient, prompt string, opts ...QueryOption) (*QueryResponse[T], error)

+ func SessionQuery[T any](ctx context.Context, session Session, prompt string, ...) (*QueryResponse[T], error)

+ type Response struct

+ Error error

+ FunctionCalls []*FunctionCall

+ InputToken int

+ OutputToken int

+ Texts []string

+ Thoughts []string

+ func (r *Response) HasData() bool

+ type ResponseMode string

+ const ResponseModeBlocking

+ const ResponseModeStreaming

+ func (x ResponseMode) String() string

+ type Session interface

+ AppendHistory func(*History) error

+ CountToken func(ctx context.Context, input ...Input) (int, error)

+ Generate func(ctx context.Context, input []Input, opts ...GenerateOption) (*Response, error)

+ GenerateContent func(ctx context.Context, input ...Input) (*Response, error)

+ GenerateStream func(ctx context.Context, input ...Input) (<-chan *Response, error)

+ History func() (*History, error)

+ Stream func(ctx context.Context, input []Input, opts ...GenerateOption) (<-chan *Response, error)

+ type SessionConfig struct

+ func NewSessionConfig(options ...SessionOption) SessionConfig

+ func (c *SessionConfig) ContentBlockMiddlewares() []ContentBlockMiddleware

+ func (c *SessionConfig) ContentStreamMiddlewares() []ContentStreamMiddleware

+ func (c *SessionConfig) ContentType() ContentType

+ func (c *SessionConfig) History() *History

+ func (c *SessionConfig) ResponseSchema() *Parameter

+ func (c *SessionConfig) SystemPrompt() string

+ func (c *SessionConfig) Tools() []Tool

+ type SessionOption func(cfg *SessionConfig)

+ func WithSessionContentBlockMiddleware(middlewares ...ContentBlockMiddleware) SessionOption

+ func WithSessionContentStreamMiddleware(middlewares ...ContentStreamMiddleware) SessionOption

+ func WithSessionContentType(contentType ContentType) SessionOption

+ func WithSessionHistory(history *History) SessionOption

+ func WithSessionResponseSchema(schema *Parameter) SessionOption

+ func WithSessionSystemPrompt(systemPrompt string) SessionOption

+ func WithSessionTools(tools ...Tool) SessionOption

+ type SessionQueryOption func(*sessionQueryConfig)

+ func WithSessionQueryMaxRetry(n int) SessionQueryOption

+ type Strategy interface

+ Handle func(ctx context.Context, state *StrategyState) ([]Input, *ExecuteResponse, error)

+ Init func(ctx context.Context, inputs []Input) error

+ Tools func(ctx context.Context) ([]Tool, error)

+ type StrategyState struct

+ History *History

+ InitInput []Input

+ Iteration int

+ LastResponse *Response

+ NextInput []Input

+ Session Session

+ SystemPrompt string

+ Tools []Tool

+ type SubAgent struct

+ func NewSubAgent(name, description string, agentFactory func() (*Agent, error), ...) *SubAgent

+ func (s *SubAgent) Run(ctx context.Context, args map[string]any) (_ map[string]any, retErr error)

+ func (s *SubAgent) Spec() ToolSpec

+ type SubAgentHandler func(ctx context.Context, args map[string]any) (SubAgentResult, error)

+ type SubAgentOption func(*SubAgent)

+ func WithPromptTemplate(prompt *PromptTemplate) SubAgentOption

+ func WithSubAgentMiddleware(middleware func(SubAgentHandler) SubAgentHandler) SubAgentOption

+ func WithSubAgentOptions(opts ...Option) SubAgentOption

+ type SubAgentResult struct

+ Data map[string]any

+ Session Session

+ type Text string

+ func (t Text) LogValue() slog.Value

+ func (t Text) String() string

+ type TextContent struct

+ Text string

+ type ThinkingContent struct

+ Text string

+ type Tool interface

+ Run func(ctx context.Context, args map[string]any) (map[string]any, error)

+ Spec func() ToolSpec

+ type ToolCallContent struct

+ Arguments map[string]interface{}

+ ID string

+ Name string

+ type ToolExecRequest struct

+ Tool *FunctionCall

+ ToolSpec *ToolSpec

+ type ToolExecResponse struct

+ Duration int64

+ Error error

+ Result map[string]any

+ type ToolHandler func(ctx context.Context, req *ToolExecRequest) (*ToolExecResponse, error)

+ type ToolMiddleware func(next ToolHandler) ToolHandler

+ type ToolResponseContent struct

+ IsError bool

+ Name string

+ Response map[string]interface{}

+ ToolCallID string

+ type ToolSet interface

+ Run func(ctx context.Context, name string, args map[string]any) (map[string]any, error)

+ Specs func(ctx context.Context) ([]ToolSpec, error)

+ type ToolSpec struct

+ Description string

+ Name string

+ Parameters map[string]*Parameter

+ func (s *ToolSpec) Validate() error

+ func (s *ToolSpec) ValidateArgs(args map[string]any) error

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