Railway MCP Server

Instructions

Implementation Reference

• src/tools/deploy-template.ts:40-154 (handler)

  Main execution logic for the deploy-template tool. Searches templates using fuzzy search, lists if multiple, selects by index, links to current project/env, and deploys via Railway GraphQL API.
  handler: async ({ workspacePath, searchQuery, templateIndex, teamId, }: DeployTemplateOptions) => { try { // Search and list templates const { templates, filteredCount, totalCount } = await searchAndListTemplates({ searchQuery }); if (templates.length === 0) { return createToolResponse( `🔍 No templates found matching "${searchQuery}".\n\n` + `**Total templates available:** ${totalCount}\n\n` + `**Suggestions:**\n` + `• Try a different search term\n` + `• Use broader keywords\n` + `• Check your internet connection`, ); } // If multiple templates found and no index specified, show the list if (templates.length > 1 && templateIndex === undefined) { const templateList = templates .map((template: Template, index: number) => { const verifiedBadge = template.isVerified ? "verified" : "unverified"; return ( `${index + 1}. **${template.name}** - (${verifiedBadge})\n` + ` ID: \`${template.id}\`\n` + ` Description: ${template.description || "No description available"}\n` + ` Category: ${template.category}\n` + ` Active Projects: ${template.activeProjects} | Health: ${template.health} | Payout: ${template.totalPayout}` ); }) .join("\n\n"); return createToolResponse( `🔍 Multiple templates found matching "${searchQuery}":\n\n` + `**Showing ${filteredCount} of ${totalCount} templates:**\n\n` + templateList + `\n\n**Please specify which template to deploy by providing:**\n` + `• templateIndex: [1-${templates.length}]`, ); } // Get the template to deploy let templateToDeploy: Template; if (templates.length === 1) { templateToDeploy = templates[0]; } else if (templateIndex !== undefined) { if (templateIndex < 1 || templateIndex > templates.length) { return createToolResponse( `❌ Invalid template index: ${templateIndex}\n\n` + `**Valid range:** 1-${templates.length}\n\n` + `Please provide a valid template index.`, ); } templateToDeploy = templates[templateIndex - 1]; } else { // This shouldn't happen, but just in case return createToolResponse( "❌ Unexpected error: Multiple templates found but no index specified.", ); } // Get current project and environment IDs from Railway context const projectResult = await getLinkedProjectInfo({ workspacePath }); if (!projectResult.success || !projectResult.project) { return createToolResponse( "❌ No Railway project is linked to this workspace.\n\n" + "**Next Steps:**\n" + "• Run `railway link` to connect to a project\n" + "• Or use the `create-project-and-link` tool to create a new project", ); } const currentProjectId = projectResult.project.id; const currentEnvironmentId = await getCurrentEnvironmentId({ workspacePath, }); // Deploy the template const result = await deployTemplate({ environmentId: currentEnvironmentId, projectId: currentProjectId, serializedConfig: templateToDeploy.serializedConfig, templateId: templateToDeploy.id, teamId, }); return createToolResponse( `✅ Successfully deployed Railway template:\n\n` + `**Template:** ${templateToDeploy.name}\n` + `**Template ID:** ${templateToDeploy.id}\n` + `**Project:** ${projectResult.project.name} (${currentProjectId})\n` + `**Environment:** ${currentEnvironmentId}\n` + `**Workflow ID:** ${result.workflowId}\n\n` + `The template has been deployed successfully to the current Railway project and environment.`, ); } catch (error: unknown) { const errorMessage = error instanceof Error ? error.message : "Unknown error occurred"; return createToolResponse( "❌ Failed to search/deploy Railway template\n\n" + `**Error:** ${errorMessage}\n\n` + "**Next Steps:**\n" + "• Check your internet connection\n" + "• Verify that Railway's API is accessible\n" + "• Make sure you're authenticated with Railway (`railway login`)", ); } },
• src/tools/deploy-template.ts:23-39 (schema)

  Zod input schema defining parameters for the deploy-template tool: workspacePath, searchQuery, optional templateIndex and teamId.
  inputSchema: { workspacePath: z .string() .describe("The path to the workspace to deploy the template to"), searchQuery: z .string() .describe( "Search query to filter templates by name, description, or category", ), templateIndex: z .number() .optional() .describe( "Index of the template to deploy (required if multiple templates found)", ), teamId: z.string().optional().describe("The ID of the team (optional)"), },
• src/tools/index.ts:5-5 (registration)

  Export of the deployTemplateTool for inclusion in the tools index, likely used for MCP tool registration.
  export { deployTemplateTool } from "./deploy-template";
• src/api/deploy-template.ts:137-194 (helper)

  Helper function that performs the actual GraphQL mutation to deploy a template to a Railway project/environment.
  export const deployTemplate = async ({ environmentId, projectId, serializedConfig, templateId, teamId, }: { environmentId: string; projectId: string; serializedConfig: SerializedTemplateConfig; templateId: string; teamId?: string; }): Promise<TemplateDeployResponse> => { const query = ` mutation deployTemplate($environmentId: String, $projectId: String, $templateId: String!, $teamId: String, $serializedConfig: SerializedTemplateConfig!) { templateDeployV2(input: { environmentId: $environmentId, projectId: $projectId, templateId: $templateId, teamId: $teamId, serializedConfig: $serializedConfig }) { projectId workflowId } } `; try { const token = getRailwayAuthToken(); const client = new GraphQLClient( "https://backboard.railway.com/graphql/v2", { headers: { Authorization: `Bearer ${token}`, "x-source": "railway-mcp-server", }, }, ); const data = await client.request<{ templateDeployV2: TemplateDeployResponse; }>(query, { environmentId, projectId, templateId, teamId, serializedConfig, }); return data.templateDeployV2; } catch (error: unknown) { if (error instanceof Error) { throw new Error(`Failed to deploy template: ${error.message}`); } throw new Error("Failed to deploy template: Unknown error"); } };
• src/api/deploy-template.ts:30-135 (helper)

  Helper function to query Railway GraphQL for templates, sort them, and perform fuzzy search filtering.
  export const searchAndListTemplates = async ({ searchQuery, }: { searchQuery?: string; }): Promise<{ templates: Template[]; filteredCount: number; totalCount: number; }> => { const query = ` query { templates { edges { node { id name description category serializedConfig activeProjects health totalPayout isVerified } } } } `; try { const client = new GraphQLClient( "https://backboard.railway.com/graphql/v2", { headers: { "x-source": "railway-mcp-server", }, }, ); const data = await client.request<{ templates: { edges: Array<{ node: Template; }>; }; }>(query); const templates = data.templates.edges.map( (edge) => edge.node, ) as Template[]; const totalCount = templates.length; // Sort templates based on the specified criteria (verified templates first, then by totalPayout, then by activeProjects, then by health) const sortedTemplates = templates.sort((a: Template, b: Template) => { if (a.isVerified && !b.isVerified) return -1; if (!a.isVerified && b.isVerified) return 1; if (a.totalPayout !== b.totalPayout) { return (b.totalPayout || 0) - (a.totalPayout || 0); } if (a.activeProjects !== b.activeProjects) { return (b.activeProjects || 0) - (a.activeProjects || 0); } if (a.health !== b.health) { return (b.health || 0) - (a.health || 0); } // If all criteria are equal, maintain original order return 0; }); // If no search query provided, return all sorted templates if (!searchQuery || searchQuery.trim() === "") { return { templates: sortedTemplates, filteredCount: totalCount, totalCount, }; } // Configure Fuse.js for fuzzy search const fuse = new Fuse(sortedTemplates, { keys: ["name", "description", "category"], threshold: 0.3, // Lower threshold = more strict matching includeScore: true, includeMatches: true, }); // Perform fuzzy search const searchResults = fuse.search(searchQuery.trim()); const filteredTemplates = searchResults.map((result) => result.item); return { templates: filteredTemplates, filteredCount: filteredTemplates.length, totalCount, }; } catch (error: unknown) { if (error instanceof Error) { throw new Error(`Failed to search Railway templates: ${error.message}`); } throw new Error("Failed to search Railway templates: Unknown error"); } };