protocol

package

v0.8.0 Latest Latest Go to latest Published: Sep 24, 2026 License: AGPL-3.0, AGPL-3.0-or-later Imports: 9 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/Beamfall/corvint

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Documentation ¶

Overview ¶

Package protocol implements bounded MCP 2026-07-28 wire types.

Index ¶

Constants
func Decode(raw []byte) (Inbound, *DecodeError)
func DecodeLegacyInitialize(params map[string]any) (RequestMeta, *RPCError)
func DecodeLegacyRequestMeta(params map[string]any) (RequestMeta, *RPCError)
func DecodeRequestMeta(params map[string]any) (RequestMeta, *RPCError)
func ExtractVersionArgument(arguments []string) ([]string, string, bool)
type DecodeError
- func (e *DecodeError) Error() string
type ID
type Inbound
type RPCError
type Request
type RequestMeta

Constants ¶

View Source

const (
	Version        = "2026-07-28"
	JSONRPCVersion = "2.0"

	MaxMessageBytes = 1 << 20
	MaxJSONDepth    = 64
	// Reflectable request scalars are smaller than a frame so every error
	// response remains independently bounded.
	MaxRequestIDBytes       = 128
	MaxProtocolVersionBytes = 64

	CodeParseError                 = -32700
	CodeInvalidRequest             = -32600
	CodeMethodNotFound             = -32601
	CodeInvalidParams              = -32602
	CodeInternalError              = -32603
	CodeUnsupportedProtocolVersion = -32022
)

View Source

const LegacyVersion = "2025-11-25"

Variables ¶

This section is empty.

Functions ¶

func Decode ¶

func Decode(raw []byte) (Inbound, *DecodeError)

Decode accepts one newline-free stdio message body. Syntax, UTF-8, duplicate-key, size, and depth failures intentionally discard any ID.

func DecodeLegacyInitialize ¶

func DecodeLegacyInitialize(params map[string]any) (RequestMeta, *RPCError)

func DecodeLegacyRequestMeta ¶

func DecodeLegacyRequestMeta(params map[string]any) (RequestMeta, *RPCError)

Legacy requests carry optional progress metadata; modern transport metadata must never change the connection's explicitly selected protocol.

func DecodeRequestMeta ¶

func DecodeRequestMeta(params map[string]any) (RequestMeta, *RPCError)

func ExtractVersionArgument ¶

func ExtractVersionArgument(arguments []string) ([]string, string, bool)

ExtractVersionArgument removes the optional, closed protocol selector before the command validates its own required arguments.

Types ¶

type DecodeError ¶

type DecodeError struct {
	Code    int
	Message string
	ID      *ID
}

func (*DecodeError) Error ¶

func (e *DecodeError) Error() string

type ID ¶

type ID struct {
	// contains filtered or unexported fields
}

ID preserves the type and exact integer spelling of a JSON-RPC request ID.

func NewIntegerID ¶

func NewIntegerID(value int64) ID

func NewStringID ¶

func NewStringID(value string) (ID, error)

func ParseIDValue ¶

func ParseIDValue(value any) (ID, bool)

ParseIDValue validates a decoded JSON value as a protocol request ID.

func (ID) Key ¶

func (id ID) Key() string

func (ID) MarshalJSON ¶

func (id ID) MarshalJSON() ([]byte, error)

func (ID) Valid ¶

func (id ID) Valid() bool

type Inbound ¶

type Inbound struct {
	ID           *ID
	Method       string
	Params       map[string]any
	Notification bool
}

type RPCError ¶

type RPCError struct {
	Code    int
	Message string
	Data    any
}

func DecodeCursor ¶

func DecodeCursor(params map[string]any) (string, *RPCError)

DecodeCursor returns the optional cursor on current list requests.

func InvalidParams ¶

func InvalidParams(message string) *RPCError

func MethodNotFound ¶

func MethodNotFound() *RPCError

func NewError ¶

func NewError(code int, message string) *RPCError

type Request ¶

type Request struct {
	ID     ID
	Method string
	Params map[string]any
	Meta   RequestMeta
}

type RequestMeta ¶

type RequestMeta struct {
	ProtocolVersion    string
	ClientCapabilities map[string]any
	ClientInfo         map[string]any
	LogLevel           string
	ProgressToken      any
}

Source Files ¶

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