Crunch Accounting (crunch-mcp)

Name: Crunch Accounting (crunch-mcp)
Author: mattoddie

제작자: mattoddie버전 0.4.1i★ –i내 컴퓨터에서 실행

레지스트리 이름io.github.mattoddie/crunch-mcp

설치

개요

제작자가 쓴 설명(영어 원문)

Work with your Crunch Accounting books: expenses, receipts, invoices, clients, suppliers and banking

PopNx MCP의 세 기둥

이 세 가지는 절대 하나의 점수로 합치지 않아요. 의견, 측정, 인기는 서로 다른 것이니까요.

사용자 의견i아직 리뷰가 없어요리뷰는 다음 단계에서 계정 기능과 함께 열려요
우리의 기본 점검i1개 중 1개 통과공개된 정보로 점검했으며, 코드는 아직 스캔하지 않았어요
사용 정도i아직 측정 안 함★ –

할 수 있는 일

이 서버는 아직 쉬운 말로 된 요약을 쓰지 못했어요. 아래는 레지스트리에서 읽어 온 사실이에요.

연결 방식: 내 컴퓨터에서 실행
전송 방식: stdio
카테고리: 회계, 재무 및 세금
입력해야 할 값: CRUNCH_CLIENT_ID, CRUNCH_CLIENT_SECRET, CRUNCH_REFRESH_TOKEN

설치

쓰고 있는 AI 앱을 고른 다음 설정을 복사하세요.

설치하기 전에

기본 점검: 1개 중 1개 통과
내 컴퓨터에서 내 사용자 계정의 권한(파일, 네트워크, 앱)으로 실행돼요.
직접 입력할 값: MCP_TRANSPORT, CRUNCH_CLIENT_ID, CRUNCH_CLIENT_SECRET, CRUNCH_REDIRECT_URI, CRUNCH_REFRESH_TOKEN, CRUNCH_ALLOW_WRITES, CRUNCH_ALLOW_DELETES, CRUNCH_ALLOW_EMAIL, CRUNCH_TOOLSETS, CRUNCH_FILES_DIR, CRUNCH_AUDIT_LOG

비밀로 표시된 값은 내 계정의 열쇠예요. 절대 다른 사람과 공유하거나 채팅에 붙여 넣지 마세요.

필요한 것

DockerDocker 설치

어떤 앱을 쓰세요?

ClaudeClaude CodeCursorVS CodeChatGPT

위에서 앱을 고르세요. 기억해 두었다가 다음부터는 버튼에 “…에 설치”라고 표시해요.

제작자의 .mcpb 파일 다운로드

링크는 제작자의 파일로 바로 연결돼요. 우리가 보관하거나 다시 패키징하지 않아요. 파일을 열면 Claude Desktop이 설치해요.

터미널에서 이 명령어를 실행하세요

claude mcp add crunch --env MCP_TRANSPORT=your-value --env CRUNCH_CLIENT_ID=your-value --env CRUNCH_CLIENT_SECRET=your-value --env CRUNCH_REDIRECT_URI=your-value --env CRUNCH_REFRESH_TOKEN=your-value --env CRUNCH_ALLOW_WRITES=your-value --env CRUNCH_ALLOW_DELETES=your-value --env CRUNCH_ALLOW_EMAIL=your-value --env CRUNCH_TOOLSETS=your-value --env CRUNCH_FILES_DIR=your-value --env CRUNCH_AUDIT_LOG=your-value -- docker run -i --rm -e MCP_TRANSPORT -e CRUNCH_CLIENT_ID -e CRUNCH_CLIENT_SECRET -e CRUNCH_REDIRECT_URI -e CRUNCH_REFRESH_TOKEN -e CRUNCH_ALLOW_WRITES -e CRUNCH_ALLOW_DELETES -e CRUNCH_ALLOW_EMAIL -e CRUNCH_TOOLSETS -e CRUNCH_FILES_DIR -e CRUNCH_AUDIT_LOG ghcr.io/mattoddie/crunch-mcp:0.4.1

실행하기 전에 빈 값을 채워 주세요.

Cursor에서 열기

또는 설정을 직접 복사하기

프로젝트의 .cursor/mcp.json 또는 ~/.cursor/mcp.json에 붙여 넣으세요

{
  "mcpServers": {
    "crunch": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "MCP_TRANSPORT",
        "-e",
        "CRUNCH_CLIENT_ID",
        "-e",
        "CRUNCH_CLIENT_SECRET",
        "-e",
        "CRUNCH_REDIRECT_URI",
        "-e",
        "CRUNCH_REFRESH_TOKEN",
        "-e",
        "CRUNCH_ALLOW_WRITES",
        "-e",
        "CRUNCH_ALLOW_DELETES",
        "-e",
        "CRUNCH_ALLOW_EMAIL",
        "-e",
        "CRUNCH_TOOLSETS",
        "-e",
        "CRUNCH_FILES_DIR",
        "-e",
        "CRUNCH_AUDIT_LOG",
        "ghcr.io/mattoddie/crunch-mcp:0.4.1"
      ],
      "env": {
        "MCP_TRANSPORT": "your-value",
        "CRUNCH_CLIENT_ID": "your-value",
        "CRUNCH_CLIENT_SECRET": "your-value",
        "CRUNCH_REDIRECT_URI": "your-value",
        "CRUNCH_REFRESH_TOKEN": "your-value",
        "CRUNCH_ALLOW_WRITES": "your-value",
        "CRUNCH_ALLOW_DELETES": "your-value",
        "CRUNCH_ALLOW_EMAIL": "your-value",
        "CRUNCH_TOOLSETS": "your-value",
        "CRUNCH_FILES_DIR": "your-value",
        "CRUNCH_AUDIT_LOG": "your-value"
      }
    }
  }
}

브라우저가 앱을 열지 물어본 다음, 앱이 설정을 보여 주고 확인을 요청해요. 키 값은 비워 두니 직접 입력하세요.

VS Code에서 열기

또는 설정을 직접 복사하기

프로젝트의 .vscode/mcp.json에 붙여 넣으세요

{
  "servers": {
    "crunch": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "MCP_TRANSPORT",
        "-e",
        "CRUNCH_CLIENT_ID",
        "-e",
        "CRUNCH_CLIENT_SECRET",
        "-e",
        "CRUNCH_REDIRECT_URI",
        "-e",
        "CRUNCH_REFRESH_TOKEN",
        "-e",
        "CRUNCH_ALLOW_WRITES",
        "-e",
        "CRUNCH_ALLOW_DELETES",
        "-e",
        "CRUNCH_ALLOW_EMAIL",
        "-e",
        "CRUNCH_TOOLSETS",
        "-e",
        "CRUNCH_FILES_DIR",
        "-e",
        "CRUNCH_AUDIT_LOG",
        "ghcr.io/mattoddie/crunch-mcp:0.4.1"
      ],
      "env": {
        "MCP_TRANSPORT": "your-value",
        "CRUNCH_CLIENT_ID": "your-value",
        "CRUNCH_CLIENT_SECRET": "your-value",
        "CRUNCH_REDIRECT_URI": "your-value",
        "CRUNCH_REFRESH_TOKEN": "your-value",
        "CRUNCH_ALLOW_WRITES": "your-value",
        "CRUNCH_ALLOW_DELETES": "your-value",
        "CRUNCH_ALLOW_EMAIL": "your-value",
        "CRUNCH_TOOLSETS": "your-value",
        "CRUNCH_FILES_DIR": "your-value",
        "CRUNCH_AUDIT_LOG": "your-value"
      }
    }
  }
}

브라우저가 앱을 열지 물어본 다음, 앱이 설정을 보여 주고 확인을 요청해요. 키 값은 비워 두니 직접 입력하세요.

이 서버는 내 컴퓨터에서 실행되는데, ChatGPT는 인터넷에 있는 서버에만 연결할 수 있어요. 다른 앱을 고르세요.

선택한 앱은 이 기기의 쿠키에만 저장돼요. 계정은 필요 없어요.

직접 입력할 값

MCP_TRANSPORT env
Serve MCP over stdio. The image serves HTTP by default.
CRUNCH_CLIENT_ID 필수 env
The client ID Crunch gave you when it approved your API application.
CRUNCH_CLIENT_SECRET 비밀 env
Only for confidential clients, which Crunch issues a secret. Leave empty for a public client.
CRUNCH_REDIRECT_URI env
Only if your API account has a redirect URI registered with Crunch. Empty means http://127.0.0.1:8976/callback.
CRUNCH_REFRESH_TOKEN 비밀 env
Optional refresh token to start from instead of logging in. Don't use it anywhere else afterwards.
CRUNCH_ALLOW_WRITES env
Allow creating and changing records, including issuing invoices. Off means read-only.
CRUNCH_ALLOW_DELETES env
Also allow deleting records and removing payments. Needs CRUNCH_ALLOW_WRITES.
CRUNCH_ALLOW_EMAIL env
Also allow emailing invoices and turning on payment reminders. Needs CRUNCH_ALLOW_WRITES.
CRUNCH_TOOLSETS env
Optional comma-separated toolsets to expose fewer tools, e.g. account,reference,expenses. Empty means all.
CRUNCH_FILES_DIR env
Optional folder, inside the container, for receipts to attach and files to save. Mount it too. Empty turns it off.
CRUNCH_AUDIT_LOG env
Optional audit log of every change: stderr, or a file path inside the container. Empty turns it off.

이 설정은 제작자의 레지스트리 정보로 만들었어요. README와 다르면 README를 따르세요.

할 수 있는 일

내 컴퓨터에서 실행돼요. 설치하면 AI 앱에 도구 목록이 나타나요.

기본 점검i

누구나 볼 수 있는 정보를 점검했고, 코드는 읽지 않았어요. 해당하지 않는 항목은 개수에서 뺐어요. · 2026년 11월 7일 점검

✓ 통과
제작자와 저장소 일치
레지스트리 이름이 GitHub 계정 mattoddie 기준으로 확인되었고, 이 계정이 저장소를 소유하고 있어요
… 아직 점검 안 함
계속 관리되고 있음
아직 GitHub에서 이 저장소를 읽어 오지 않았어요
… 아직 점검 안 함
라이선스 있음
아직 GitHub에서 이 저장소를 읽어 오지 않았어요
– 해당 없음
엔드포인트 응답
내 컴퓨터에서 실행되는 서버라 인터넷 엔드포인트가 없어요
– 해당 없음
OAuth로 로그인
내 컴퓨터에서 실행되며, 대신 로컬 설정을 사용해요
… 아직 점검 안 함
도구 설명에 숨겨진 지시 없음
내 컴퓨터에서 실행돼요. 도구 목록은 인터넷 엔드포인트가 있는 서버에서만 읽을 수 있어요

회계, 재무 및 세금 카테고리의 다른 서버와 비교i

이 카테고리의 다른 서버 2902개 중 0%보다 스타가 많아요
이 카테고리의 다른 서버 2902개 중 67%보다 최근에 레지스트리에 공개됐어요
기본 점검 결과가 이 카테고리의 다른 서버 2902개 중 100%와 같거나 더 좋아요

레지스트리에서 이 카테고리의 활성 서버 전체와 비교했어요. 스타는 게시자가 저장소를 소유한 경우에만 세요.

자주 묻는 질문

Crunch Accounting (crunch-mcp), 안전한가요?

해당하는 기본 점검 1개 중 1개를 통과했어요. 코드는 읽지 않았어요. 키나 토큰을 넣기 전에 서버가 어떤 권한을 요구하는지 확인하고, 꼭 필요한 권한만 있는 키를 쓰세요.

어떤 키나 코드가 필요한가요?

입력해야 할 값: CRUNCH_CLIENT_ID, CRUNCH_CLIENT_SECRET, CRUNCH_REFRESH_TOKEN

내 컴퓨터에서 실행되나요, 클라우드에서 실행되나요?

내 컴퓨터에서 실행돼요. AI 앱이 필요할 때 실행하고, 데이터는 제작자의 서버를 거치지 않아요(서버 자체가 온라인 서비스를 호출하는 경우는 제외).

아직 관리되고 있나요?

GitHub 저장소는 마지막으로 – 변경됐고, 최신 버전(0.4.1)은 16일 전 레지스트리에 올라왔어요.

어떤 앱에서 쓸 수 있나요?

Claude Desktop, Claude Code, Cursor, VS Code처럼 MCP를 지원하는 앱에서 쓸 수 있어요. 내 컴퓨터에 Docker, MCPB도 있어야 해요.

대신 쓸 수 있는 건 뭐가 있나요?

같은 카테고리에는: Finance Toolkit, SolidInvoice, Korea Tax Calculator

대안

같은 카테고리에서 다른 제작자가 만든 서버예요. 스타 순으로 정렬했어요.

카드 보는 법:★ GitHub 스타i세 기둥: 리뷰 · 점검 · 사용 정도i업데이트 = 최신 버전을 레지스트리에 공개한 날i

Finance Toolkit

제작자: JerBouma

500+ transparent financial methods calculated from raw statements, not third-party endpoints.

컴퓨터 또는 클라우드★ 5,496MIT어제 업데이트

설치

SolidInvoice

제작자: SolidInvoice

Create and send invoices and quotes, manage clients, and track payments in SolidInvoice.

클라우드에서 실행★ 981MIT8일 전 업데이트

설치

Korea Tax Calculator

제작자: UpstageAI

Korean tax calculation and tax-audit judgment MCP: 96 tools with statutory citations.

내 컴퓨터에서 실행★ 97MIT어제 업데이트

설치

제작자의 README

README 열기

제작자의 저장소에서 쓰인 그대로 가져왔어요. PopNx MCP가 검토하거나 보증한 내용이 아니에요. HTML, 이미지, 스크립트는 제거했어요. 링크를 누르면 이 사이트를 벗어나요.

crunch-mcp

Talk to your books.

An open-source Model Context Protocol server for Crunch Accounting, the UK online accounting service. It lets Claude and other AI assistants read and, if you allow it, update your expenses, receipts, invoices, clients, suppliers and bank accounts, all from one small Docker container.

[crunch-mcp.mattoddie.dev](https://crunch-mcp.mattoddie.dev)

Quick start · Documentation · Tool reference · Contributing

"How's the business looking this month?"

*You have £18,240 across your two bank accounts and £312 on the company credit card. Three sales invoices are unpaid, £7,800 in total. INV-0042 to Example Client Ltd (£2,400) is 12 days overdue; the other two aren't due yet. On the spending side, four September expenses have no receipt attached and one bill from Example Hosting Ltd (£96) is still unpaid. Want me to draft a polite chaser for INV-0042, or list the expenses that are missing receipts?*

Ask about your business in plain English. The assistant picks from 70 tools to look things up and, if you allow it, make changes. Some examples:

🩺 *"Give me a health check of the business."*
🧾 *"Here's a receipt for a train ticket to Leeds. Record it as an expense paid from the business account."*
📬 *"Which invoices are overdue? Draft a chasing email for each customer."*
📊 *"Summarise income and spending for the last quarter, with an estimate of the VAT."*
🔍 *"Which expenses this year have no receipt attached?"*
📝 *"Invoice Example Client Ltd for 5 days of consulting at £450 a day, on 30-day terms."*

Highlights

🐳 Docker-first and tiny. One image (ghcr.io/mattoddie/crunch-mcp) for linux/amd64 and linux/arm64, about 21 MB. It's a single static Go binary on a distroless base, with no shell or package manager, running as a non-root user. It serves Streamable HTTP for a long-running service, or stdio for docker run -i. You can also run the binary on its own.
🛡️ Safe by default. The server is read-only unless you turn on writes. Deleting needs a second switch, and emailing invoices or payment reminders to customers needs a third. The switches also hold inside request bodies and the raw API tool, and the HTTP server requires a bearer token. Tools that aren't allowed aren't registered at all, and destructive tools, such as deletes and issuing an invoice, are labelled so your MCP client asks before running them.
🔑 Least-privilege login. It logs in with Crunch's own OAuth 2.0 flow (with PKCE) and asks only for the scopes your settings need. Tokens never appear in tool output.
🔄 Stays logged in. Crunch rotates refresh tokens, and reusing an old one revokes your login. crunch-mcp saves each new token before using it and never refreshes twice at once, so it keeps working across restarts.
✏️ Careful updates. Changing an expense or invoice fetches the current record and changes only what you asked, so payments and attachments are never dropped by accident.
🔍 Preview and audit. Every tool that changes something takes dry_run: true to show the request it would send, with a field-by-field diff for updates, without changing anything. CRUNCH_AUDIT_LOG records each change in a JSON Lines audit log.
🖥️ One-click Claude Desktop install. Each release has an extension bundle (.mcpb) for macOS, Windows and Linux, with a settings form and no Docker needed.
📎 Receipts and PDFs. Attach receipts and timesheets, download receipts as images the assistant can read, and fetch invoice PDFs.
🎛️ Tunable. Expose only the toolsets you need, which keeps the model's context small and focused. List tools take search, fields and limit to fetch only what's needed.
🧪 Tested. The test suite runs against a mock Crunch API and OAuth server on every build.

Quick start

Using Claude Desktop? Download the extension bundle for your computer from the latest release, open it, enter your Crunch client ID and ask Claude to *"log in to Crunch"*. See Claude Desktop. The steps below set up the Docker server for every other client.

You need Docker, a Crunch account, Crunch API access and an MCP client such as Claude Code.

1. Get API access. Apply for access to Crunch's public API through the application form linked from Crunch's developer documentation. Crunch sends you a client ID, and a client secret if you're set up as a confidential client. There's no sandbox, so a free Crunch account is a good place to try things. Getting started has the details.

2. Set up the server.

mkdir crunch-mcp && cd crunch-mcp

curl -fsSLO https://raw.githubusercontent.com/mattoddie/crunch-mcp/main/compose.yaml curl -fsSL https://raw.githubusercontent.com/mattoddie/crunch-mcp/main/example.env -o .env

Edit .env: set CRUNCH_CLIENT_ID (and CRUNCH_CLIENT_SECRET if you have one)

and a random MCP_AUTH_TOKEN, which the HTTP server requires (e.g. `openssl rand -hex 32`)

3. Log in to Crunch and start the server.

docker compose run --rm -p 127.0.0.1:8976:8976 crunch-mcp login   # open the URL it prints and click Allow

docker compose up -d

If your browser isn't on the Docker host, the page after Allow won't load. That's fine: copy the URL from the address bar and paste it into the terminal.

4. Connect your assistant.

claude mcp add --transport http crunch http://<docker-host>:8080/mcp \

--header "Authorization: Bearer "

Now ask *"How's my business doing?"* in Claude Code.

Using Claude Desktop, VS Code, Cursor or Codex? See Connecting MCP clients. Prefer not to run a service? Use stdio mode with docker run -i or the local binary.

crunch-mcp is listed in the official MCP Registry as io.github.mattoddie/crunch-mcp, so clients that install servers from the registry can set it up for you, with the Docker image in stdio mode or an extension bundle.

Turning on changes

Out of the box the assistant can look but not touch. To let it make changes, add these to .env:

CRUNCH_ALLOW_WRITES=true    # create and update expenses, invoices, clients, suppliers, payments, attachments…

CRUNCH_ALLOW_DELETES=true # also allow deleting records and removing payments (needs writes) CRUNCH_ALLOW_EMAIL=true # also allow emailing invoices and payment reminders to customers (needs writes) CRUNCH_TOOLSETS=account,reference,expenses,invoices,clients,suppliers # optional: expose fewer tools CRUNCH_AUDIT_LOG=stderr # optional: log every change (or an absolute file path; see docs/configuration.md)

The login needs matching scopes, so log in again after turning on writes or deletes:

docker compose stop

docker compose run --rm -p 127.0.0.1:8976:8976 crunch-mcp login docker compose up -d

Ask for a dry run first when it matters: *"Record that receipt, but show me a dry run first."*

Read Security before turning on writes for your real books.

What it can do

Toolset	What's covered
`account`	Login status and the OAuth login flow, the logged-in user, company details (VAT number and scheme, addresses) and a one-call business overview
`reference`	The values Crunch expects: expense types, VAT types, payment methods, countries, open accounting periods, directors and employees
`banking`	Bank accounts and credit cards: balances, details, payments recorded against them, opening balances, default accounts, archiving
`clients`	Clients (the customers you invoice): list, look up, create, update and delete
`suppliers`	Suppliers: list, look up, create, update, archive and delete
`expenses`	Expenses: list and filter, totals, create with lines, payments and receipts, update, record and remove payments, attach and download receipts, delete
`recurring`	Recurring expenses that Crunch creates on a schedule: list, create, pause or change, delete
`invoices`	Sales invoices: list and filter, totals, create drafts, update, issue, email to the customer, record and remove payments, attachments, PDF download, delete
`raw`	An escape hatch that calls any Crunch public API endpoint

See the [tool reference](docs/tools.md) for every tool and argument. Ready-made prompts like business_health_check, record_receipt and chase_overdue_invoices chain the tools together for common jobs.

Documentation

The docs are also published at [crunch-mcp.mattoddie.dev/docs](https://crunch-mcp.mattoddie.dev/docs/), with search.


🚀 Getting started	Step-by-step setup, from API access to first question
🔌 Connecting MCP clients	Claude Code, Claude Desktop, VS Code, Cursor, Codex, stdio mode
⚙️ Configuration	Every environment variable, how login and tokens work, Docker secrets, toolsets
🐳 Deployment	Compose, image tags, upgrades, TLS reverse proxy, hardening, running without Docker
💬 Using crunch-mcp	Example conversations, prompts, how changes, receipts and PDFs work
🧰 Tool reference	Every tool and prompt, generated from the code
🛡️ Security	Threat model, least privilege, token storage, safe write setups
📡 Compatibility	The Crunch API, its limits, and known gaps
🩹 Troubleshooting	Common errors and how to fix them
🛠️ Development	Architecture, adding a tool, testing

Contributing

Contributions are very welcome, whether that's bug reports, docs or new tools. Read the contributing guide to get started, and please follow the code of conduct. To report a vulnerability, see the security policy. Please don't open a public issue for one.

License

*crunch-mcp is an independent community project. It is not affiliated with, endorsed by or sponsored by Crunch (E-Crunch Ltd). "Crunch" is a trademark of E-Crunch Ltd.*

Crunch Accounting (crunch-mcp)

개요

PopNx MCP의 세 기둥

할 수 있는 일

설치

설치하기 전에

직접 입력할 값

할 수 있는 일

기본 점검i

제작자와 저장소 일치

계속 관리되고 있음

라이선스 있음

엔드포인트 응답

OAuth로 로그인

도구 설명에 숨겨진 지시 없음

회계, 재무 및 세금 카테고리의 다른 서버와 비교i

자주 묻는 질문

대안

Finance Toolkit

SolidInvoice

Korea Tax Calculator

제작자의 README

crunch-mcp

Highlights

Quick start

Edit .env: set CRUNCH_CLIENT_ID (and CRUNCH_CLIENT_SECRET if you have one)

and a random MCP_AUTH_TOKEN, which the HTTP server requires (e.g. openssl rand -hex 32)

Turning on changes

What it can do

Documentation

Contributing

License

and a random MCP_AUTH_TOKEN, which the HTTP server requires (e.g. `openssl rand -hex 32`)