@cyanheads/git-mcp-server/dist/mcp-server/tools/gitShow/registration.js

An MCP (Model Context Protocol) server enabling LLMs and AI agents to interact with Git repositories. Provides tools for comprehensive Git operations including clone, commit, branch, diff, log, status, push, pull, merge, rebase, worktree, tag management,

import { BaseErrorCode } from "../../../types-global/errors.js"; // Direct import for types-global
import { ErrorHandler, logger, requestContextService, } from "../../../utils/index.js"; // logger (./utils/internal/logger.js), ErrorHandler (./utils/internal/errorHandler.js), requestContextService (./utils/internal/requestContext.js)
// Import the schema and types
import { GitShowInputSchema, gitShowLogic, } from "./logic.js";
let _getWorkingDirectory;
let _getSessionId;
/**
 * Initializes the state accessors needed by the git_show tool registration.
 * @param getWdFn - Function to get the working directory for a session.
 * @param getSidFn - Function to get the session ID from context.
 */
export function initializeGitShowStateAccessors(getWdFn, getSidFn) {
    _getWorkingDirectory = getWdFn;
    _getSessionId = getSidFn;
    logger.info("State accessors initialized for git_show tool registration.");
}
const TOOL_NAME = "git_show";
const TOOL_DESCRIPTION = "Shows information about Git objects (commits, tags, blobs, trees) based on a reference. Can optionally show the content of a specific file at that reference. Returns the raw output.";
/**
 * Registers the git_show tool with the MCP server.
 *
 * @param {McpServer} server - The McpServer instance to register the tool with.
 * @returns {Promise<void>}
 * @throws {Error} If registration fails or state accessors are not initialized.
 */
export const registerGitShowTool = async (server) => {
    if (!_getWorkingDirectory || !_getSessionId) {
        throw new Error("State accessors for git_show must be initialized before registration.");
    }
    const operation = "registerGitShowTool";
    const context = requestContextService.createRequestContext({ operation });
    await ErrorHandler.tryCatch(async () => {
        // Register the tool using the schema's shape (no refinements here)
        server.tool(TOOL_NAME, TOOL_DESCRIPTION, GitShowInputSchema.shape, // Use the shape directly
        // Let TypeScript infer handler argument types.
        async (validatedArgs, callContext) => {
            // Cast validatedArgs to the specific input type for use within the handler
            const toolInput = validatedArgs;
            const toolOperation = `tool:${TOOL_NAME}`;
            const requestContext = requestContextService.createRequestContext({
                operation: toolOperation,
                parentContext: callContext,
            });
            const sessionId = _getSessionId(requestContext);
            const getWorkingDirectoryForSession = () => {
                return _getWorkingDirectory(sessionId);
            };
            const logicContext = {
                ...requestContext,
                sessionId: sessionId,
                getWorkingDirectory: getWorkingDirectoryForSession,
            };
            logger.info(`Executing tool: ${TOOL_NAME}`, logicContext);
            return await ErrorHandler.tryCatch(async () => {
                // Call the core logic function which returns a GitShowResult object
                const showResult = await gitShowLogic(toolInput, logicContext);
                // Format the result within TextContent
                const resultContent = {
                    type: "text",
                    // Return raw content on success, or error message on failure
                    text: showResult.success
                        ? showResult.content
                        : `Error: ${showResult.message}${showResult.error ? `\nDetails: ${showResult.error}` : ""}`,
                    // Use plain text content type, unless we decide to return JSON later
                    contentType: "text/plain",
                };
                // Log based on the success flag in the result
                if (showResult.success) {
                    logger.info(`Tool ${TOOL_NAME} executed successfully`, logicContext);
                }
                else {
                    // Log specific failure message from the result
                    logger.warning(`Tool ${TOOL_NAME} failed: ${showResult.message}`, { ...logicContext, errorDetails: showResult.error });
                }
                // Return the result, whether success or structured failure
                return { content: [resultContent] };
            }, {
                operation: toolOperation,
                context: logicContext,
                input: validatedArgs, // Log the raw validated args
                errorCode: BaseErrorCode.INTERNAL_ERROR, // Default if unexpected error occurs in logic/wrapper
            });
        });
        logger.info(`Tool registered: ${TOOL_NAME}`, context);
    }, { operation, context, critical: true }); // Mark registration as critical
};