How to Use the Viral Loops MCP in Pydantic AI

Q: Can I track participant status using Viral Loops and Pydantic AI?

Yes. You can get specific user details with getparticipant or generate the unique sharing link they need using getreferralurl. The data structure is guaranteed to be correct.

Q: Does Viral Loops support participant updates in Pydantic AI?

It does. If a user's details change, your agent executes updateparticipant. Because of the type-safe framework, you know exactly what fields are being written.

Q: How do I list all campaigns using Viral Loops and Pydantic AI?

Run the listcampaigns tool. This provides a clean, predictable list of every active campaign ID in your account, ready for structured processing.

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Connect Viral Loops MCP to Pydantic AI

Create your Vinkius account to connect Viral Loops to Pydantic AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Viral Loops with Pydantic AI

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Onboard new users using the MCP Server

When a user signs up via your referral form, your agent adds them as a participant. Because of type-safe validation, if the input data is messy, the agent fails loudly before it messes up your database. Checking existing members is simple: `list_participants` gives you a clean list to analyze for leaderboards.

Verify milestone rewards via Pydantic AI

The agent confirms if a participant hit a goal (like 5 referrals) and what the reward is by calling `get_milestones`. Every returned field passes type validation, so you never get hallucinated data. Always confirm the rules first. Use `get_rewards` to pull the official configuration for any campaign before attempting an award.

Manage program details using MCP Server

Need a list of programs? Run `list_campaigns`. This gives you validated IDs, which you then use to retrieve full context with `get_campaign`. If you need performance numbers—the actual metrics—use `get_campaign_stats`. The response is guaranteed to match the expected structure.

Setup guide

Set up Viral Loops MCP in Pydantic AI

Prerequisites

Python 3.10+ installed
pydantic-ai-slim[fastmcp] package
Active Vinkius subscription with a valid endpoint token

1

Install Pydantic AI with FastMCP
Run pip install "pydantic-ai-slim[fastmcp]". The FastMCP toolset replaces the deprecated MCPServerHTTP class with full protocol support.
2

Configure the FastMCPToolset
Pass a JSON-style config dict to FastMCPToolset with your Vinkius URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. Supports Streamable HTTP, SSE, and Stdio transports.
3

Create and run your agent
Pass the toolset to Agent(toolsets=[toolset]) and call agent.run(). Swap openai:gpt-4o for any supported model — Anthropic, Google, Mistral, or Groq.

agent.py

from pydantic_ai import Agent
from pydantic_ai.toolsets.fastmcp import FastMCPToolset

toolset = FastMCPToolset({
    "mcpServers": {
        "viral-loops-mcp": {
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
        }
    }
})

agent = Agent(
    "openai:gpt-4o",
    toolsets=[toolset],
    system_prompt="You have access to Viral Loops tools.",
)

result = await agent.run("List recent Viral Loops transactions")
print(result.output)

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Common questions about Viral Loops MCP in Pydantic AI

The agent uses the MCP Server tools, and Pydantic ensures that every data point returned from those tools is validated against a strict schema. This prevents silent errors.

Yes. You can get specific user details with `get_participant` or generate the unique sharing link they need using `get_referral_url`. The data structure is guaranteed to be correct.

It does. If a user's details change, your agent executes `update_participant`. Because of the type-safe framework, you know exactly what fields are being written.

This MCP Server handles structured user enrollment records, including emails, names, campaign IDs, and performance metrics. The core type is validated against strict models.

Run the `list_campaigns` tool. This provides a clean, predictable list of every active campaign ID in your account, ready for structured processing.

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