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TaxDome API and MCP server

TaxDome has no API for jobs, invoices, client requests or chats. Sign in to TaxDome once in your own Cloud Browser, and your AI agent does the work there for you. The same tools work over MCP for agents and as a REST API for scripts.

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Not affiliated with TaxDome.

TaxDome has no API for this. So we run one for you.

TaxDome's own API, a GitHub MCP server and Cotlet compared
What you need TaxDome's APIGitHub MCP serverCotlet
Jobs, invoices, client requests, chats No No Yes, 14 tools
Acts as you, signed in 24/7 No No Yes, Cloud Browser
Fixed for you when TaxDome changes N/A No Yes, tested every 6h
Runs with your laptop off N/A No Yes, hosted

Checked Oct 14, 2026. Sources: TaxDome: MCP · TaxDome Help: Zapier integration · TaxDome Help: Zapier integration (Basic) actions · TaxDome Help: Creating a bill (invoice)

Your own Cloud Browser, on 24/7. Sign in once. We keep it connected.

  1. 01Sign in to TaxDome in your own Cloud Browser

  2. 02Connect it for your agents

  3. 03Cotlet keeps it signed in and working

How do I connect TaxDome to Claude, ChatGPT or my code?

AI agents connect over MCP, scripts call the REST API. Both reach the same 14 tools with one API key.

For AI agents: MCP

Add Cotlet to your agent once. TaxDome and every other app you connect show up as its tools.

  • Claude
  • ChatGPT
  • OpenClaw
  • Hermes
  • GrokBot
  • Cursor
  • n8n
  • Any MCP client
  1. 1

    Add Cotlet to your agent

    Claude Code
    claude mcp add --transport http cotlet \
  https://cotlet.dev/mcp/v1 \
  --header "Authorization: Bearer $COTLET_API_KEY"
    Cursor
    {
  "mcpServers": {
    "cotlet": {
      "url": "https://cotlet.dev/mcp/v1",
      "headers": {
        "Authorization": "Bearer ${COTLET_API_KEY}"
      }
    }
  }
}
    Codex
    # ~/.codex/config.toml
[mcp_servers.cotlet]
url = "https://cotlet.dev/mcp/v1"
bearer_token_env_var = "COTLET_API_KEY"

    Paste the snippet for your client. The same server and key serve every app you connect, so you do this once.

For scripts: REST API

Every tool is an endpoint under /api/v1/taxdome with its own method and path, such as POST /api/v1/taxdome/accounts/{account_id}/invoices, with the same API key. Our open-source repo has ready scripts to start from.

REST API docs

What can the TaxDome API and MCP server do?

14 tools on your own TaxDome account. Agents call them as operations of the MCP tools taxdome_read and taxdome_write; scripts call each one at its own REST endpoint, with the same inputs and answers.

API reference
TaxDome tools in Cotlet's MCP server and REST API
Tool What it does Access
list_accounts Client accounts, individuals and companies, with their contacts. read
get_account One account with its contacts, open jobs and open requests. read
list_pipelines Pipelines with their stages and job templates. read
list_jobs Jobs in progress or archived, with stage, assignee, priority and due date. read
get_job One job with its tasks, stage, assignee and dates. read
list_tasks Tasks across jobs, with the job, assignee and due date. read
list_invoices Invoices of an account with amount, status and dates. read
list_requests Client requests of an account, open and answered. read
create_account Create a client account of type Individual or Company with its first contact. writeasks first
create_job Create a job for an account in a pipeline, with stage, assignee, priority and due date. write
archive_job Move a job to the Archived tab. write
send_invoice Create an invoice for an account from line items and send it to the client. writeasks first
request_documents Send a client request for documents or information to an account. writeasks first
send_message Send a message to a client in a chat, now or at a set time. writeasks first

Scroll the table for all 14 tools.

Ask in plain words. Your agent does the rest.

All TaxDome use cases

Is it safe to connect TaxDome?

You sign in yourself in your own Cloud Browser, we never save your password, and anything that reaches your readers waits for your OK. The browser profile is encrypted in the EU. Independent scanners grade cotlet.dev A+.

Security overview

How much do the TaxDome API and MCP server cost?

One price for both: a tool call costs the same over MCP or REST. Free 7-day trial with 2,000 credits, no card needed. Then one-time credit packs, no subscription, valid 12 months. Each call uses 10 credits, and your Cloud Browser uses 50 credits a day while TaxDome is enabled for agents, so 20 calls a day come to 250 credits.

See full pricing
Cotlet credit packs: price, credits and calls at 10 credits each
Credits Price, one time Calls at 10 credits Per 1,000 credits
5,000 $29 500 $5.80
15,000 $79 1,500 $5.27
32,000 $149 3,200 $4.66
60,000 $249 6,000 $4.15

Only successful calls use credits; failed calls and timeouts cost nothing. At a balance of 0 calls pause, never a surprise charge. Authenticate with the Authorization: Bearer header.

Questions

Does TaxDome have an API?

TaxDome has no public API that firms can use today (checked 14 Oct 2026). Its Zapier integration only creates, updates and finds contacts, and TaxDome MCP, which would let Claude or ChatGPT work in a firm account, is announced but not open yet and is offered to Professional and Business plan firms first.

How do I get access?

Sign up free, open TaxDome under Integrations in the console and press Request access. Your free trial starts with your account, no card needed.

Is the MCP server different from the API?

No, only the way in. Cotlet builds each integration as a REST API and puts an MCP server on top, so both have the same 14 tools, the same inputs and answers, one API key and one price. AI agents such as Claude, ChatGPT or Cursor use MCP; scripts, cron jobs and HTTP steps in n8n, Make or Zapier use the REST API.

What is the Cloud Browser?

Your own Chrome that Cotlet runs for you in the EU, around the clock. You open it from the console, sign in to TaxDome yourself and press Enable for agents. Your agent's calls go through it, from its IP with its cookies, so TaxDome sees the browser you signed in with. Password saving is off and the profile is stored encrypted with AES-256-GCM.

Can my agent act without asking me?

Not on anything that reaches other people: create_account, send_invoice, request_documents, send_message wait for your OK by default. You can switch that off per tool for scheduled runs.

Can the agent send invoices without my approval?

Only if you switch confirmation off for send_invoice. By default each invoice, request and message waits for your OK, because creating an invoice in TaxDome also sends it to the client.

Should I use a TaxDome MCP server from GitHub instead?

Pick one if you want the code on your own computer and do not mind the upkeep: you install it, sign it in and fix it when TaxDome changes. Pick Cotlet if you want it hosted and kept working for you.

Can I use it in n8n, Make or Zapier?

Yes. Add https://cotlet.dev/mcp/v1 in n8n's MCP Client node, or call the REST endpoints from an HTTP step in Make or Zapier.

Who runs Cotlet?

Cotlet is run by Take Group, a Polish software company working since 2019. Take Group runs about 3,200 websites on its own systems and has its own DevOps team for infrastructure security. We built and used integrations like this inside the company for years before opening them as Cotlet.

Is Cotlet affiliated with TaxDome?

No. Cotlet is independent and not affiliated with TaxDome.

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