Adfin + MCPHub (mcp.nvim): Complete MCP Integration

Adfin is a MCP server that The only platform you need to get paid - all payments in one place, invoicing and accounting reconciliations with Adfin..

When integrated with MCPHub (mcp.nvim), you can:

• Monitor and manage customer credit status and payment tracking
• Create individual invoices with customizable details
• Upload and process multiple PDF invoices simultaneously

This guide provides step-by-step instructions to set up Adfin in MCPHub (mcp.nvim), including configuration, examples, and troubleshooting.

What You'll Achieve

After completing this setup:

• Adfin will be fully integrated and operational
• You can use Adfin tools directly in MCPHub (mcp.nvim)
• All Adfin capabilities will be available for your workflows
• Access to 5 different tools

Prerequisites

Before starting, ensure you have:

• Adfin account email address
• Adfin account password
• MCPHub (mcp.nvim) installed and configured
• Compatible operating system (Neovim 0.9+, Windows, macOS, Linux)

Installation

Step 1: Install Adfin

Configuration

Step 2: Configure MCPHub (mcp.nvim)

1. Open MCPHub (mcp.nvim) settings
2. Navigate to MCP server configuration
3. Add Adfin server with appropriate settings
4. Save and restart if needed

Examples

Once configured, you can use Adfin in MCPHub (mcp.nvim):

Credit Control Status Check

Review overall credit control status for all customers

Ask MCPHub (mcp.nvim): "Give me a credit control status check for all our customers"

Expected Result: Comprehensive report showing customer payment status, overdue amounts, and credit risks

Create New Invoice

Generate an invoice for a specific customer with custom terms

Ask MCPHub (mcp.nvim): "Create a new invoice for 60 GBP for Abc Def that is due in a week"

Expected Result: Invoice created with customer details, amount, and 7-day payment terms

Bulk Invoice Upload

Process multiple PDF invoices from a directory

Ask MCPHub (mcp.nvim): "Upload all pdf invoices from the invoices folder from my Desktop"

Expected Result: All PDF invoices processed, validated, and uploaded to Adfin system

Payment Reconciliation

Match received payments with outstanding invoices

Ask MCPHub (mcp.nvim): "Reconcile the payment of £1,250 received today with our outstanding invoices"

Expected Result: Payment matched to appropriate invoices with reconciliation details recorded

Testing Your Setup

1. Launch MCPHub (mcp.nvim)
2. Verify Adfin is available in the tools list
3. Test basic Adfin functionality

Troubleshooting

Common Issues

Authentication Failed

Symptoms: Login errors, Invalid credentials messages, 401 Unauthorized

Cause: Incorrect ADFIN_EMAIL or ADFIN_PASSWORD

Solution:

• Verify email and password are correct in Adfin web interface
• Check for typos in environment variables
• Ensure credentials are not expired or locked
• Reset password if necessary through Adfin portal

UV Package Manager Not Found

Symptoms: Command not found errors, uv command fails

Cause: UV package manager not installed or not in PATH

Solution:

• Install uv: curl -LsSf https://astral.sh/uv/install.sh | sh
• Restart terminal to update PATH
• Verify installation: uv --version
• For Windows: use PowerShell installation script

PDF Invoice Processing Fails

Symptoms: Upload errors, PDF parsing failures, Invalid file format

Cause: Corrupted PDFs, unsupported format, or file permissions

Solution:

• Verify PDFs are valid and readable
• Check file permissions allow read access
• Ensure PDFs contain text (not just images)
• Try uploading files individually to isolate issues

Claude Desktop Configuration Error

Symptoms: MCP server not detected, Configuration syntax errors

Cause: Invalid JSON syntax or incorrect configuration structure

Solution:

• Validate JSON syntax in claude_desktop_config.json
• Ensure proper nesting of mcpServers configuration
• Check file is in correct location for Claude Desktop
• Restart Claude Desktop after configuration changes

Plugin Not Loading or Command Not Found

Symptoms: :MCPHub command not recognized, Plugin not appearing in :PlugStatus, No errors but plugin inactive

Cause: Plugin not properly installed or configuration error

Solution:

• Verify plugin is added to plugin manager configuration
• Run plugin manager install command (:PackerInstall, :PlugInstall, or Lazy auto-install)
• Check for errors in :messages after sourcing config
• Ensure dependencies (plenary.nvim, nui.nvim) are installed
• Restart Neovim completely

MCP Server Won't Start

Symptoms: Server status shows "Error", Red indicator on server, Server immediately stops after starting

Cause: Invalid server configuration or missing dependencies

Solution:

• Verify npx is installed and in PATH: npx --version
• Check MCP server package exists: npx -y @modelcontextprotocol/server-filesystem --help
• Review server configuration in setup() - verify command and args
• Check server logs in MCPHub interface for detailed error messages
• Ensure required environment variables are set (e.g., GITHUB_TOKEN)
• Test server manually in terminal: npx -y @modelcontextprotocol/server-filesystem /path

UI Not Displaying Correctly

Symptoms: Blank window, Garbled text, Layout issues, Missing borders

Cause: Terminal or Neovim rendering issues

Solution:

• Verify Neovim version is 0.9 or higher: nvim --version
• Try different border style in ui.border config ("single", "double", "rounded")
• Check terminal supports Unicode and 256 colors
• Update nui.nvim dependency to latest version
• Test with different colorscheme to rule out theme conflicts

Integration with Avante/CodeCompanion Not Working

Symptoms: AI assistant not seeing MCP tools, Tool calls failing, Integration not recognized

Cause: Integration not enabled or incompatible versions

Solution:

• Verify integration is enabled in config: integrations.avante = true
• Ensure Avante.nvim/CodeCompanion.nvim is installed and loaded
• Check versions are compatible - update both plugins to latest
• Restart Neovim after enabling integration
• Check :checkhealth for integration-specific warnings

Marketplace Not Loading

Symptoms: :MCPHubMarketplace shows empty list, Network error in marketplace, Timeout loading servers

Cause: Network connectivity issues or marketplace service unavailable

Solution:

• Verify internet connectivity
• Check firewall allows HTTPS connections
• Try again later if marketplace service is temporarily down
• Review proxy settings if behind corporate firewall
• Check :messages for detailed network error messages

Project-Local Config Not Loading

Symptoms: .mcphub.json ignored, Project servers not appearing, Only global config loaded

Cause: Config file location or format issues

Solution:

• Verify .mcphub.json is in project root (same directory as .git)
• Check JSON syntax is valid using jsonlint or similar tool
• Ensure file name is exactly .mcphub.json (case-sensitive)
• Restart Neovim after creating/modifying project config
• Check file permissions are readable

Adfin not appearing in MCPHub (mcp.nvim)

Symptoms: Server not listed, Tools not available

Cause: Configuration or installation issue

Solution:

• Verify configuration syntax
• Check Adfin installation
• Restart MCPHub (mcp.nvim)
• Check logs for error messages

Next Steps

Now that Adfin is integrated with MCPHub (mcp.nvim):

• Explore all Adfin capabilities through MCPHub (mcp.nvim)
• Check out other MCP servers that work with MCPHub (mcp.nvim)
• Join the MCP community for tips and support
• Consider contributing to Adfin development

Need Help?

• Search for Adfin documentation
• Check the MCPHub (mcp.nvim) MCP guide
• Join the MCP community discussions