Can I change the destination of a link without changing the short URL?

Yes! Use the `edit_link_destination` tool with the Link ID. Your agent will update the target URL in Capsulink, and the existing short link will immediately point to the new destination.

How do I check how many clicks a link received today?

Simply ask the agent to `get_link_daily_stats` and provide the Link ID. It will retrieve the click breakdown by day from your Capsulink account.

Does the integration allow using a custom back-half for my links?

Yes. When using the `shorten_url` action, you can provide the `short_url` parameter (e.g., 'summer-promo'). If available, Capsulink will create the link with that specific back-half.

Capsulink MCP Server for Pydantic AI 9 tools — connect in under 2 minutes

Name: Capsulink
Availability: InStock
Author: Vinkius

ai.pydantic.dev/mcp

Built by Vinkius GDPR 9 Tools SDK

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Capsulink through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to Capsulink "
            "(9 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in Capsulink?"
    )
    print(result.data)

asyncio.run(main())

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Capsulink MCP Server

Connect your Capsulink account to any AI agent and orchestrate your link shortening, click tracking, and digital marketing workflows through natural conversation.

Pydantic AI validates every Capsulink tool response against typed schemas, catching data inconsistencies at build time. Connect 9 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.

What you can do

Link Oversight — List all your shortened links and retrieve detailed metadata, including destination URLs and creation dates.
Performance Tracking — Retrieve total and daily click statistics for specific links to monitor engagement.
Dynamic Redirection — Change the destination URL of an existing link instantly without changing the short back-half.
Link Organization — Access and list your link folders to maintain a structured marketing assets library.
Operational Control — Delete shortened links permanently directly from your workspace.
Quick Shortening — Create new short links with custom back-halves and titles using natural language.

The Capsulink MCP Server exposes 9 tools through the Vinkius. Connect it to Pydantic AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Capsulink to Pydantic AI via MCP

Follow these steps to integrate the Capsulink MCP Server with Pydantic AI.

Install Pydantic AI

Run pip install pydantic-ai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 9 tools from Capsulink with type-safe schemas

Why Use Pydantic AI with the Capsulink MCP Server

Pydantic AI provides unique advantages when paired with Capsulink through the Model Context Protocol.

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Capsulink integration code

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

Dependency injection system cleanly separates your Capsulink connection logic from agent behavior for testable, maintainable code

Capsulink + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the Capsulink MCP Server delivers measurable value.

Type-safe data pipelines: query Capsulink with guaranteed response schemas, feeding validated data into downstream processing

API orchestration: chain multiple Capsulink tool calls with Pydantic validation at each step to ensure data integrity end-to-end

Production monitoring: build validated alert agents that query Capsulink and output structured, schema-compliant notifications

Testing and QA: use Pydantic AI's dependency injection to mock Capsulink responses and write comprehensive agent tests

Capsulink MCP Tools for Pydantic AI (9)

These 9 tools become available when you connect Capsulink to Pydantic AI via MCP:

delete_link

Delete a shortened link permanently

edit_link_destination

Change the destination URL of an existing shortened link

get_account_info

Retrieve core account information

get_link_daily_stats

Retrieve daily click breakdown for a specific link

get_link_details

Get basic details of a specific shortened link

get_link_stats

Retrieve total click statistics for a specific link

list_link_folders

List all folders used to organize links

list_links

List all shortened links in your account

shorten_url

Shorten a long URL using Capsulink

Example Prompts for Capsulink in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with Capsulink immediately.

"Shorten https://vinkius.com/blog/new-feature with title 'Blog Feature'."

"Show click stats for link with ID cap_123."

"Change the destination of link cap_123 to https://vinkius.com/pricing."

Troubleshooting Capsulink MCP Server with Pydantic AI

Common issues when connecting Capsulink to Pydantic AI through the Vinkius, and how to resolve them.

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Capsulink + Pydantic AI FAQ

Common questions about integrating Capsulink MCP Server with Pydantic AI.

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer. your Capsulink MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.