How to Use the Deadline Calculator MCP in Vercel AI SDK
Feed real-time date math directly to your users with Vercel AI SDK and the Deadline Calculator.
Works with every AI agent you already use
…and any MCP-compatible client
Connect Deadline Calculator MCP to Vercel AI SDK
Create your Vinkius account to connect Deadline Calculator to Vercel AI SDK — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.
Key Capabilities
Real-time SLA math in Vercel AI SDK
The `business_deadline_tool` calculates deadlines on the fly by adding business days to a start date. Your agent streams the calculated dates straight to your frontend without any loading spinners, showing the progress line-by-line as the LLM thinks. By hosting this on Vinkius, your Edge Functions stay light. You do not need to bundle heavy timezone libraries or manage regional calendars on your own servers.
Fast calendar date additions
The `calendar_deadline_tool` calculates standard calendar day offsets for your scheduling needs. It bypasses the usual timezone traps that break production apps during daylight saving transitions. Your AI client handles the raw date inputs and spits out clean ISO strings. This keeps your database entries uniform and prevents corrupt scheduling data from reaching your backend.
Regional holiday lookups
The `holiday_registry_tool` fetches regional holiday data to keep your schedules accurate. This ensures your workflow never schedules a critical release or payment on a regional bank holiday. Because Vinkius manages the connection, your app gets instant access to this MCP alongside 4,000 other tools. You write the code once, and your frontend handles the rest.
Set up Deadline Calculator MCP in Vercel AI SDK
Prerequisites
- Node.js 18+ and a TypeScript project
-
ai+@modelcontextprotocol/sdkpackages - Active Vinkius subscription with a valid endpoint token
- 1
Install dependencies
Run
npm install ai @modelcontextprotocol/sdkplus your preferred model provider (e.g.@ai-sdk/openai). - 2
Create the Streamable HTTP transport
Use
StreamableHTTPClientTransportwith your Vinkius endpoint URL. Replace[YOUR_TOKEN_HERE]with your token from cloud.vinkius.com. - 3
Discover and use tools
Call
mcpClient.tools()to auto-discover all Deadline Calculator tools. Pass them directly togenerateText()orstreamText()— no manual schema definitions needed. - 4
Works with any model provider
Swap
openai("gpt-4o")for any AI SDK provider — Anthropic, Google, Mistral. The MCP tools work identically across all supported models.
import { experimental_createMCPClient as createMCPClient } from "ai";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
const transport = new StreamableHTTPClientTransport(
new URL("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
);
const mcpClient = await createMCPClient({ transport });
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "List recent Deadline Calculator transactions",
});
console.log(text);
await mcpClient.close(); Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Deadline Calculator. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Common questions about Deadline Calculator MCP in Vercel AI SDK
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