How do I connect my FreeAgent account?

This server uses OAuth 2.0. Simply click 'Connect' in the Vinkius interface, and you will be redirected to FreeAgent to authorize the integration.

Can I see my actual bank transactions using the agent?

Yes! The 'list_bank_transactions' tool allows you to retrieve the history for any configured bank account in your FreeAgent profile.

How do I filter for overdue invoices?

Use the 'list_invoices' tool and set the 'nested_state' parameter to 'Overdue'. The agent will return a list of all clients with outstanding payments.

Is Profit and Loss data available?

Yes, the 'get_profit_and_loss' tool provides a summary report for any specified date range, helping you track your business health.

FreeAgent MCP Server for LangChain 12 tools — connect in under 2 minutes

Name: FreeAgent
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 12 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect FreeAgent through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

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 langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "freeagent": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using FreeAgent, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

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 FreeAgent MCP Server

Connect your FreeAgent account to any AI agent to automate your accounting and financial oversight through the Model Context Protocol (MCP). FreeAgent is an award-winning accounting software designed for freelancers and small businesses. This MCP server enables you to manage your invoices, track bank transactions, and retrieve real-time Profit and Loss summaries directly through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with FreeAgent through native MCP adapters. Connect 12 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.

Key Features

Invoice Management — List all sales invoices, fetch detailed metadata, and monitor overdue payments instantly.
Contact Oversight — Access your database of customers and suppliers to maintain full context of your business relationships.
Banking Integration — List configured bank accounts and retrieve transaction history for reconciliation and auditing.
Expense & Bill Tracking — Monitor employee out-of-pocket expenses and supplier bills to keep your costs under control.
Project Coordination — Access and list projects managed in FreeAgent to see how they impact your finances.
Financial Reporting — Retrieve high-level Profit and Loss summaries to understand your business performance in real-time.
Organization Metadata — Access company settings and chart of accounts categories for consistent financial reporting.

The FreeAgent MCP Server exposes 12 tools through the Vinkius. Connect it to LangChain 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 FreeAgent to LangChain via MCP

Follow these steps to integrate the FreeAgent MCP Server with LangChain.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 12 tools from FreeAgent via MCP

Why Use LangChain with the FreeAgent MCP Server

LangChain provides unique advantages when paired with FreeAgent through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine FreeAgent 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 FreeAgent queries for multi-turn workflows

FreeAgent + LangChain Use Cases

Practical scenarios where LangChain combined with the FreeAgent MCP Server delivers measurable value.

RAG with live data: combine FreeAgent tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query FreeAgent, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain FreeAgent tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every FreeAgent tool call, measure latency, and optimize your agent's performance

FreeAgent MCP Tools for LangChain (12)

These 12 tools become available when you connect FreeAgent to LangChain via MCP:

get_company_details

Get company metadata

get_contact_details

Get contact metadata

get_invoice_details

Get invoice metadata

get_profit_and_loss

Get P&L summary

list_bank_accounts

List bank accounts

list_bank_transactions

List transactions for an account

list_chart_of_accounts

List accounting categories

list_contacts

List customers and suppliers

list_invoices

List sales invoices

list_out_of_pocket_expenses

List employee expenses

list_projects

List active projects

list_purchase_bills

List purchase invoices (bills)

Example Prompts for FreeAgent in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with FreeAgent immediately.

"Show me my 5 most recent sales invoices and their status."

"List all bank accounts and their current balances."

"Get my Profit and Loss summary for the last month."

Troubleshooting FreeAgent MCP Server with LangChain

Common issues when connecting FreeAgent to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

FreeAgent + LangChain FAQ

Common questions about integrating FreeAgent MCP Server with LangChain.

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.

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.