@cyanheads/git-mcp-server
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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,
73 lines • 3.04 kB
JavaScript
/**
* @fileoverview Handles registration and error handling for the git_branch tool.
* @module src/mcp-server/tools/gitBranch/registration
*/
import { ErrorHandler, logger, requestContextService, } from "../../../utils/index.js";
import { GitBranchBaseSchema, gitBranchLogic, GitBranchOutputSchema, } from "./logic.js";
const TOOL_NAME = "git_branch";
const TOOL_DESCRIPTION = "Manages Git branches. Supports listing (local, remote, all), creating, deleting (with force), renaming (with force), and showing the current branch. Returns results as a JSON object.";
/**
* Registers the git_branch tool with the MCP server instance.
* @param server The MCP server instance.
* @param getWorkingDirectory Function to get the session's working directory.
* @param getSessionId Function to get the session ID from context.
*/
export const registerGitBranchTool = async (server, getWorkingDirectory, getSessionId) => {
const operation = "registerGitBranchTool";
const context = requestContextService.createRequestContext({ operation });
server.registerTool(TOOL_NAME, {
title: "Git Branch",
description: TOOL_DESCRIPTION,
inputSchema: GitBranchBaseSchema.shape,
outputSchema: GitBranchOutputSchema.shape,
annotations: {
readOnlyHint: false, // Can be destructive (delete/rename)
destructiveHint: true,
idempotentHint: false,
openWorldHint: false,
},
}, async (params, callContext) => {
const handlerContext = requestContextService.createRequestContext({
toolName: TOOL_NAME,
parentContext: callContext,
});
try {
const sessionId = getSessionId(handlerContext);
const result = await gitBranchLogic(params, {
...handlerContext,
getWorkingDirectory: () => getWorkingDirectory(sessionId),
});
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,
});
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);
};
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