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Frihet MCP Server

Name: Frihet MCP Server
Author: Frihet-io

by Frihet-io

Overview Schema Related Servers Score Discussions

TypeScript

Hybrid

What is this

An MCP server that connects your AI assistant to Frihet. Create invoices by talking. Query expenses in natural language. Manage your entire business from your IDE.

You:     "Create an invoice for TechStart SL, 40 hours of consulting at 75 EUR/hour, due March 1st"
Claude:  Done. Invoice INV-2026-089 created. Total: 3,000.00 EUR + 21% IVA = 3,630.00 EUR.

66 tools. 8 resources. 7 prompts. Structured output on every tool. Zero boilerplate.

Related MCP server: Finizi B4B MCP Server

Install

One-line (Claude Code, Cursor, Copilot, Codex, Windsurf, Gemini CLI, and more)

npx skills add Frihet-io/frihet-mcp

Claude Code / Claude Desktop

{
  "mcpServers": {
    "frihet": {
      "command": "npx",
      "args": ["-y", "@frihet/mcp-server"],
      "env": {
        "FRIHET_API_KEY": "fri_your_key_here"
      }
    }
  }
}

Tool	Config file
Claude Code	`~/.claude/mcp.json`
Claude Desktop	`~/Library/Application Support/Claude/claude_desktop_config.json`
Cursor	`.cursor/mcp.json` or `~/.cursor/mcp.json`
Windsurf	`~/.windsurf/mcp.json`
Cline	VS Code settings or `.cline/mcp.json`
Codex CLI	`~/.codex/config.toml` (MCP section)

The JSON config is identical for all tools. Only the file path changes.

Remote (no install)

Use the hosted endpoint at mcp.frihet.io -- zero local dependencies, runs on Cloudflare Workers.

With API key:

{
  "mcpServers": {
    "frihet": {
      "type": "streamable-http",
      "url": "https://mcp.frihet.io/mcp",
      "headers": {
        "Authorization": "Bearer fri_your_key_here"
      }
    }
  }
}

With OAuth 2.0 + PKCE (browser-based login, no API key needed):

Clients that support OAuth (Claude Desktop, Smithery, etc.) can connect directly to https://mcp.frihet.io/mcp and authenticate via browser. The server implements the full OAuth 2.1 authorization code flow with PKCE.

Get your API key

Log into app.frihet.io
Go to Settings > API
Click Create API key
Copy the key (starts with fri_) -- it's only shown once

What you can do

Talk to your ERP. These are real prompts, not marketing copy.

Invoicing

"Show me all unpaid invoices"
"Create an invoice for Acme SL with 10h of consulting at 95/hour"
"Mark invoice abc123 as paid"
"How much has ClientName been invoiced this year?"

Expenses

"Log a 59.99 EUR expense for Adobe Creative Cloud, category: software, tax-deductible"
"List all expenses from January"
"What did I spend on travel last quarter?"

Clients

"Add a new client: TechStart SL, NIF B12345678, email admin@techstart.es"
"Show me all my clients"
"Update ClientName's address to Calle Mayor 1, Madrid 28001"

CRM

"Add a contact to Acme SL: Ana Garcia, CTO, ana@acme.es"
"Log a call with TechStart: discussed Q2 proposal, they're interested in upgrade"
"Add a note to ClientName: prefers invoices in English, payment NET 30"
"Show me all activities for Acme SL"

Quotes

"Create a quote for Design Studio: logo design (2000 EUR) + brand guidelines (3500 EUR)"
"Show me all pending quotes"

Webhooks

"Set up a webhook to notify https://my-app.com/hook when invoices are paid"
"List all my active webhooks"

What to expect

This MCP is a structured data interface -- you describe what you want in natural language, and the AI creates, queries, or modifies business records in Frihet. All 66 tools are CRUD operations over the REST API.

Works great:

"Create an invoice for TechStart SL, 40h consulting at 75 EUR/h"   --> creates the invoice
"Show unpaid invoices over 1,000 EUR"                               --> queries and filters
"Log a 120 EUR expense for the Madrid train, category: travel"      --> records the expense
"Update client Acme's email to billing@acme.es"                     --> modifies the record

Does not do:

OCR or PDF scanning -- you cannot upload an invoice image and have it read
File upload or attachment handling
Image processing of any kind

If you need to digitize paper invoices or receipts, extract the data first (e.g., Claude Vision API, a dedicated OCR service, or manual entry), then use the MCP to create the record:

1. Scan/photograph the invoice
2. Use Claude Vision: "Read this invoice image and extract the vendor, items, amounts, and dates"
3. Then: "Create an expense in Frihet for [extracted data]"

Tools (66)

Invoices (6)

Tool	What it does
`list_invoices`	List invoices with pagination
`get_invoice`	Get full invoice details by ID
`create_invoice`	Create a new invoice with line items
`update_invoice`	Update any invoice field
`delete_invoice`	Permanently delete an invoice
`search_invoices`	Find invoices by client name

Expenses (5)

Tool	What it does
`list_expenses`	List expenses with pagination
`get_expense`	Get expense details
`create_expense`	Record a new expense
`update_expense`	Modify an expense
`delete_expense`	Delete an expense

Clients (5)

Tool	What it does
`list_clients`	List all clients
`get_client`	Get client details
`create_client`	Register a new client
`update_client`	Update client info
`delete_client`	Remove a client

CRM: Contacts (3)

Tool	What it does
`list_client_contacts`	List all contacts for a client
`create_client_contact`	Add a contact person to a client
`delete_client_contact`	Remove a contact from a client

CRM: Activities (2)

Tool	What it does
`list_client_activities`	List CRM activities (calls, emails, meetings, tasks)
`log_client_activity`	Log a call, email, meeting, or task against a client

CRM: Notes (3)

Tool	What it does
`list_client_notes`	List all notes for a client
`create_client_note`	Add a free-form note to a client
`delete_client_note`	Remove a note from a client

Products (5)

Tool	What it does
`list_products`	List products and services
`get_product`	Get product details
`create_product`	Add a product or service
`update_product`	Update pricing or details
`delete_product`	Remove a product

Quotes (5)

Tool	What it does
`list_quotes`	List all quotes
`get_quote`	Get quote details
`create_quote`	Draft a new quote
`update_quote`	Modify a quote
`delete_quote`	Delete a quote

Webhooks (5)

Tool	What it does
`list_webhooks`	List configured webhooks
`get_webhook`	Get webhook details
`create_webhook`	Register a new webhook endpoint
`update_webhook`	Modify events or URL
`delete_webhook`	Remove a webhook

Intelligence (4)

Tool	What it does
`get_business_context`	Full snapshot: profile, plan, recent activity, top clients, current month
`get_monthly_summary`	Monthly P&L: revenue, expenses, profit, tax liability, top clients by revenue
`get_quarterly_taxes`	Quarterly tax prep: Modelo 303/130 fields, collected vs deductible, liability
`duplicate_invoice`	Clone an invoice for recurring billing (copies items/client/tax, starts as draft)

E-Invoicing (4 new in v1.7 pre-release)

Status: beta — CF endpoints rolling out 2026-04-21 to 2026-04-28. Tools call api.frihet.io/v1/einvoice/* directly. If an endpoint is not yet deployed (404), the tool falls back to { _stub: true, _note: "CF endpoint pending deploy", _plannedEndpoint: "..." } so the server remains usable while transport ships.

Tool	What it does
`send_einvoice`	Dispatch an invoice in 11 formats (XRechnung, Factur-X, FatturaPA, PEPPOL, Facturae, UBL, CII) via email / Chorus Pro / SDI / PEPPOL / download
`get_einvoice_status`	Poll Hatchet workflow run status until succeeded/failed — returns ackId, XML URL, PDF/A-3 URL
`validate_einvoice_xml`	Validate raw XML against format schema + schematron rules (KOSIT / Mustang / XSD / Schematron)
`export_datev`	Export accounting data as DATEV EXTF (Buchungsstapel / Debitoren / Kreditoren) in CP1252 encoding

All 66 tools return structured output via outputSchema -- typed JSON, not raw text. List tools return paginated results ({ data, total, limit, offset }).

Resources (8)

Context the AI can read to make smarter decisions.

Static (reference data, no API calls):

Resource	URI	What it provides
API Schema	`frihet://api/schema`	OpenAPI summary: endpoints, auth, rate limits, pagination, error codes
Tax Rates	`frihet://tax/rates`	Tax rates by Spanish fiscal zone: IVA, IGIC, IPSI, EU reverse charge, IRPF
Tax Calendar	`frihet://tax/calendar`	Quarterly filing deadlines: Modelo 303, 130, 390, 420, VeriFactu timeline
Expense Categories	`frihet://config/expense-categories`	8 categories with deductibility rules, IVA treatment, amortization
Invoice Statuses	`frihet://config/invoice-statuses`	Status flow (draft > sent > paid/overdue > cancelled), transition rules, webhook events

Dynamic (live data from your account):

Resource	URI	What it provides
Business Profile	`frihet://business-profile`	Your business info, plan, defaults, recent activity, top clients
Monthly Snapshot	`frihet://monthly-snapshot`	Current month P&L, revenue, expenses, tax liability
Overdue Invoices	`frihet://overdue-invoices`	All invoices past due date (up to 100)

Prompts (7)

Pre-built workflows the AI can execute as guided multi-step operations.

Prompt	What it does	Arguments
`monthly-close`	Close the month: review unpaid invoices, categorize expenses, check tax obligations, generate summary	`month?` (YYYY-MM)
`onboard-client`	Set up a new client with correct tax rates by location, optionally create a welcome quote	`clientName`, `country?`, `region?`
`quarterly-tax-prep`	Prepare quarterly tax filing: calculate IVA/IGIC, identify deductibles, preview Modelo 303/130/420	`quarter?`, `fiscalZone?`
`overdue-followup`	Find overdue invoices, draft follow-up messages, suggest payment reminders	--
`new-client-invoice`	Create a client + first invoice in one workflow with tax rate lookup	`clientName`, `country?`
`expense-report`	Generate expense report grouped by category with deductible totals	`month?` (YYYY-MM)
`expense-batch`	Process expenses in bulk: categorize, apply tax rates, flag missing receipts	`fiscalZone?`

How it works

graph LR
    AI["Your AI assistant"]
    MCP["frihet-mcp"]
    API["api.frihet.io"]
    DB["Frihet ERP"]

    AI -- "create_invoice()" --> MCP
    MCP -- "POST /v1/invoices" --> API
    API --> DB
    DB -- "201 + invoice data" --> API
    API -- "structured JSON" --> MCP
    MCP -- "typed response + suggestions" --> AI

    style AI fill:#09090b,stroke:#4ade80,color:#fafafa
    style MCP fill:#09090b,stroke:#fafafa,color:#fafafa
    style API fill:#09090b,stroke:#3f3f46,color:#a1a1aa
    style DB fill:#09090b,stroke:#3f3f46,color:#a1a1aa

The server translates tool calls into REST API requests. It handles authentication, rate limiting (automatic retry with backoff on 429), pagination, and error mapping.

Two transports:

stdio (local) -- npx @frihet/mcp-server with FRIHET_API_KEY
Streamable HTTP (remote) -- https://mcp.frihet.io/mcp with Bearer token or OAuth 2.0+PKCE

Environment variables

Variable	Required	Default
`FRIHET_API_KEY`	Yes (stdio)	--
`FRIHET_API_URL`	No	`https://api.frihet.io/v1`

API limits

Limit	Value
Requests per minute	100 per API key
Results per page	100 max (50 default)
Request body	1 MB max
Webhook payload	100 KB max
Webhooks per account	20 max

Rate limiting is handled automatically with exponential backoff.

Claude Code Skill

Beyond raw MCP tools, this repo includes a Claude Code skill that adds business context: Spanish tax rules, workflow recipes, financial reports, and natural language commands.

Install the skill

git clone https://github.com/Frihet-io/frihet-mcp.git
ln -s "$(pwd)/frihet-mcp/skill" ~/.claude/skills/frihet

Or with the universal installer:

npx skills add Frihet-io/frihet-mcp

Commands

Command	What it does
`/frihet status`	Account overview, recent activity, pending payments
`/frihet invoice`	Create, list, search invoices
`/frihet expense`	Log and query expenses
`/frihet clients`	Manage client database
`/frihet quote`	Create and manage quotes
`/frihet report`	Financial summaries (P&L, quarterly, overdue)
`/frihet webhooks`	Configure automation triggers
`/frihet setup`	Guided setup and connection test

The skill knows about IVA rates, IRPF retention, Modelo 303 prep, expense deductibility rules, and VeriFactu compliance.

Full documentation: docs.frihet.io/desarrolladores/skill-claude-code

Development

git clone https://github.com/Frihet-io/frihet-mcp.git
cd frihet-mcp
npm install
npm run build

Run locally:

FRIHET_API_KEY=fri_xxx node dist/index.js

Test with the MCP Inspector:

npx @modelcontextprotocol/inspector node dist/index.js

Contributing

Contributions are welcome. Please open an issue first to discuss what you'd like to change.

git clone https://github.com/Frihet-io/frihet-mcp.git
cd frihet-mcp
npm install
npm run build   # must pass before submitting

Current limitations

No OCR or file upload -- the MCP works with structured data, not images or PDFs. Planned for a future release.
Single company -- one API key maps to one Frihet workspace. Multi-company support is not yet available.
Frihet account required -- you need an active account at app.frihet.io and an API key (starts with fri_).

Ecosystem

Package	What it is
`@frihet/mcp-server`	This MCP server (66 tools, 8 resources, 7 prompts)
`@frihet/sdk`	TypeScript SDK (`frihet.invoices.create()`)
`frihet`	CLI (`frihet invoices list --status overdue`)
`n8n-nodes-frihet`	n8n community node for workflow automation
REST API	OpenAPI 3.1 at `api.frihet.io/v1`
Remote MCP	Hosted endpoint on Cloudflare Workers (zero install)
Webhooks	Real-time events with HMAC-SHA256

License

MIT. See LICENSE.

Built by Frihet.

Install Server

license - permissive license

quality

maintenance

How are these scores calculated?

Maintenance

–Maintainers

4dResponse time

2wRelease cycle

12Releases (12mo)

Commit activity

Issues opened vs closed

Resources

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