/**
* @fileoverview Handles registration and error handling for the git_set_working_dir tool.
* @module src/mcp-server/tools/gitSetWorkingDir/registration
*/
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import {
ErrorHandler,
logger,
RequestContext,
requestContextService,
} from "../../../utils/index.js";
import { McpError } from "../../../types-global/errors.js";
import {
gitSetWorkingDirLogic,
GitSetWorkingDirInput,
GitSetWorkingDirInputSchema,
GitSetWorkingDirOutputSchema,
} from "./logic.js";
export type SetWorkingDirectoryFn = (
sessionId: string | undefined,
path: string,
) => void;
export type GetSessionIdFn = (context: RequestContext) => string | undefined;
const TOOL_NAME = "git_set_working_dir";
const TOOL_DESCRIPTION =
"Sets the default working directory for the current session. Subsequent Git tool calls within this session can use '.' for the `path` parameter, which will resolve to this directory. Optionally validates if the path is a Git repository (`validateGitRepo: true`). Can optionally initialize a Git repository with 'git init' if it's not already one and `initializeIfNotPresent: true` is set. Returns the result as a JSON object. IMPORTANT: The provided path must be absolute.";
/**
* Registers the git_set_working_dir tool with the MCP server instance.
* @param server The MCP server instance.
* @param setWorkingDirectory Function to set the session's working directory.
* @param getSessionId Function to get the session ID from context.
*/
export const registerGitSetWorkingDirTool = async (
server: McpServer,
setWorkingDirectory: SetWorkingDirectoryFn,
getSessionId: GetSessionIdFn,
): Promise<void> => {
const operation = "registerGitSetWorkingDirTool";
const context = requestContextService.createRequestContext({ operation });
server.registerTool(
TOOL_NAME,
{
title: "Git Set Working Directory",
description: TOOL_DESCRIPTION,
inputSchema: GitSetWorkingDirInputSchema.shape,
outputSchema: GitSetWorkingDirOutputSchema.shape,
annotations: {
readOnlyHint: true, // Modifies session state, but not external files
destructiveHint: false,
idempotentHint: true,
openWorldHint: false,
},
},
async (
params: GitSetWorkingDirInput,
callContext: Record<string, unknown>,
) => {
const handlerContext = requestContextService.createRequestContext({
toolName: TOOL_NAME,
parentContext: callContext,
});
try {
const sessionId = getSessionId(handlerContext);
const result = await gitSetWorkingDirLogic(params, {
...handlerContext,
setWorkingDirectory: (path: string) =>
setWorkingDirectory(sessionId, path),
});
return {
structuredContent: result,
content: [
{
type: "text",
text: `Success: ${JSON.stringify(result, null, 2)}`,
},
],
};
} catch (error) {
logger.error(`Error in ${TOOL_NAME} handler`, {
error,
...handlerContext,
});
const mcpError = ErrorHandler.handleError(error, {
operation: `tool:${TOOL_NAME}`,
context: handlerContext,
input: params,
}) as McpError;
return {
isError: true,
content: [{ type: "text", text: `Error: ${mcpError.message}` }],
structuredContent: {
code: mcpError.code,
message: mcpError.message,
details: mcpError.details,
},
};
}
},
);
logger.info(`Tool '${TOOL_NAME}' registered successfully.`, context);
};
