mcp

package

v0.0.7 Latest Latest Go to latest Published: Oct 27, 2026 License: MIT Imports: 12 Imported by: 0

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Valid go.mod file
Redistributable license
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Repository

github.com/blechschmidt/cloop

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Documentation ¶

Overview ¶

Package mcp implements a Model Context Protocol (MCP) server over stdio. It exposes cloop functionality as MCP tools so that Claude Desktop, Cursor, and other MCP clients can directly control and query cloop.

Protocol: JSON-RPC 2.0 over newline-delimited stdio. Spec: https://spec.modelcontextprotocol.io

Index ¶

func RunStdio(ctx context.Context, workDir string, prov provider.Provider) error
type RPCError
type Request
type Response
type Server
- func New(workDir string, prov provider.Provider, r io.Reader, w io.Writer) *Server
- func (s *Server) Serve(ctx context.Context) error
type TextContent
type Tool
type ToolResult

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func RunStdio ¶

func RunStdio(ctx context.Context, workDir string, prov provider.Provider) error

RunStdio starts the MCP server reading from os.Stdin and writing to os.Stdout. It blocks until stdin is closed or ctx is cancelled.

Types ¶

type RPCError ¶

type RPCError struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
}

RPCError is a JSON-RPC 2.0 error object.

type Request ¶

type Request struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      json.RawMessage `json:"id,omitempty"` // nil for notifications
	Method  string          `json:"method"`
	Params  json.RawMessage `json:"params,omitempty"`
}

Request is an incoming JSON-RPC 2.0 request or notification.

type Response ¶

type Response struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      json.RawMessage `json:"id"`
	Result  any             `json:"result,omitempty"`
	Error   *RPCError       `json:"error,omitempty"`
}

Response is an outgoing JSON-RPC 2.0 response.

type Server ¶

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

Server is an MCP server that reads JSON-RPC requests from r and writes responses to w, exposing cloop functionality as MCP tools.

func New ¶

func New(workDir string, prov provider.Provider, r io.Reader, w io.Writer) *Server

New creates a new MCP Server. workDir is the cloop project directory (.cloop/state.json must exist). prov is the AI provider used for run_task; may be nil if only state tools are needed.

func (*Server) Serve ¶

func (s *Server) Serve(ctx context.Context) error

Serve reads requests from stdin until EOF or context cancellation.

type TextContent ¶

type TextContent struct {
	Type string `json:"type"`
	Text string `json:"text"`
}

TextContent is a text content block in a tool result.

type Tool ¶

type Tool struct {
	Name        string         `json:"name"`
	Description string         `json:"description"`
	InputSchema map[string]any `json:"inputSchema"`
}

Tool describes an MCP tool (returned by tools/list).

type ToolResult ¶

type ToolResult struct {
	Content []TextContent `json:"content"`
	IsError bool          `json:"isError,omitempty"`
}

ToolResult is the result returned by tools/call.

Source Files ¶

View all Source files

server.go

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