4,000+ servers built on MCP Fusion
Vinkius
LangChainFramework
Why use Friendbuy MCP Server with LangChain?

Bring Referral Marketing
to LangChain

Create your Vinkius account to connect Friendbuy to LangChain and start using all 8 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.

MCP Inspector GDPR Free for Subscribers
Check Api ConnectionCreate Referral CodeGet Referral Code StatusList Referral RewardsList Tracked PurchasesList WebhooksTrack Conversion PurchaseTrack Conversion Signup
ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
Friendbuy

What is the Friendbuy MCP Server?

Connect your Friendbuy account to any AI agent to automate your referral programs and customer loyalty workflows through the Model Context Protocol (MCP). Friendbuy is a high-growth referral marketing platform that powers word-of-mouth campaigns for leading brands. This MCP server enables you to track referral events, log conversions, and retrieve reward distributions directly through natural conversation.

Key Features

  • Referral Rewards Tracking — List all distributed referral rewards and filter them by advocate to understand who your top promoters are.
  • Conversion Logging — Post purchase and signup events programmatically to trigger the referral reward lifecycle.
  • Code Generation & Verification — Create personal referral codes for customers and check their active statuses instantly.
  • Purchase History — Retrieve a list of all tracked purchases that have been attributed to referral campaigns.
  • Webhook Monitoring — List configured webhooks to ensure your internal systems are receiving real-time reward notifications.
  • API Health Checks — Verify your connection to both the Merchant API and Developer API v2 environments seamlessly.

How it works

  1. Subscribe to this server through the Vinkius Marketplace
  2. Enter your Friendbuy Access Key and Secret Key (found in your Developer Settings)
  3. Start managing your referral campaigns from Claude, Cursor, or any MCP client

Who is this for?

  • Growth Marketers — quickly check the status of a specific referral code or list recent rewards without navigating the dashboard.
  • E-commerce Ops — automate the logging of offline or subscription purchases to ensure advocates get rewarded.
  • Customer Support — verify if a specific customer's referral resulted in a successful conversion via simple AI commands.

Built-in capabilities (8)

check_api_connection

Verify API access

create_referral_code

Generate share code

get_referral_code_status

Check code status

list_referral_rewards

List awarded referrals

list_tracked_purchases

List tracked purchases

list_webhooks

List webhook configs

track_conversion_purchase

Log a purchase

track_conversion_signup

Log a signup

Why LangChain?

LangChain's ecosystem of 500+ components combines seamlessly with Friendbuy through native MCP adapters. Connect 8 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

  • The largest ecosystem of integrations, chains, and agents. combine Friendbuy MCP tools with 500+ LangChain components

  • Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

  • LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

  • Memory and conversation persistence let agents maintain context across Friendbuy queries for multi-turn workflows

See it in action

Friendbuy in LangChain

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Enterprise Security

Why run Friendbuy with Vinkius?

The Friendbuy connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 8 tools are ready to work instantly without any complex setup.

You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

Friendbuy
Fully ManagedNo server setup
Plug & PlayNo coding needed
SecurePrivacy protected
PrivateYour data is safe
Cost ControlBudget limits
Control1-click disconnect
Auto-UpdatesMaintenance free
High SpeedOptimized for AI
Reliable99.9% uptime
Your credentials and connection tokens are fully encrypted

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents
Connect securely in under 30 seconds
Complete visibility into every agent action
Optimize spending and track token ROI

Explore our live AI Agents Analytics dashboard to see it all working

This dashboard is included when you connect Friendbuy using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.

Why Vinkius

Friendbuy and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect Friendbuy to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.

4,000+MCP Integrations
<40msResponse time
100%Fully managed
Raw MCP
Vinkius
Ready-to-use MCPsFind and configure each manually4,000+ MCPs ready to use
Connection SetupManual coding & server setup1-click instant connection
Server HostingYou host it yourself (needs 24/7 uptime)100% hosted & managed by Vinkius
Security & PrivacyStored in plaintext config filesBank-grade encrypted vault
Activity VisibilityBlind execution (no logs or tracking)Live dashboard with real-time logs
Cost ControlRunaway AI token spend riskAutomatic budget limits
Revoking AccessMust delete files or code to stop1-click disconnect button
The Vinkius Advantage

How Vinkius secures Friendbuy for LangChain

Every request between LangChain and Friendbuy is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How do I get my API Keys for Friendbuy?

Log in to your Friendbuy account, go to Settings > Developer, and you will find your Access Key and Secret Key.

02

Can I manually log a purchase through the agent?

Yes! Use the 'track_conversion_purchase' tool. Provide the Order ID, amount, and customer email. If you include the 'referralCode', it will trigger the advocate's reward.

03

How do I verify if a referral code is still valid?

Use the 'get_referral_code_status' tool. The agent will check the Developer API and return the active status and associated reward value.

04

Is it possible to list webhooks?

Yes, the 'list_webhooks' tool retrieves all active webhook configurations so you can verify where real-time reward notifications are being sent.

05

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.

06

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.

07

Can I trace MCP tool calls in LangSmith?

Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.

08

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

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