crunch-mcp
An open-source Model Context Protocol server for Crunch Accounting that allows AI assistants to interact with Crunch's public API. It supports reading and writing expenses, receipts, invoices, clients, suppliers, and bank accounts, featuring 70 tools across 9 toolsets with a focus on security and least-privilege access.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Ask about expenses, invoices, clients and bank accounts in plain English
- Record receipts and raise invoices when allowed
- List unpaid invoices and check business account balances
- Create expenses with lines, payments and receipts
Source and maintenance
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
ghcr.io/mattoddie/crunch-mcp:0.4.1
{
"transport": "stdio",
"identifier": "ghcr.io/mattoddie/crunch-mcp:0.4.1",
"runtimeHint": "docker",
"registryType": "oci",
"runtimeArguments": [
{
"name": "--volume",
"type": "named",
"default": "crunch-data:/data",
"isRequired": true,
"description": "Docker volume for the saved login. Keep it: Crunch refresh tokens rotate, so the login is lost without it."
}
],
"environmentVariables": [
{
"name": "MCP_TRANSPORT",
"value": "stdio",
"description": "Serve MCP over stdio. The image serves HTTP by default."
},
{
"name": "CRUNCH_CLIENT_ID",
"isRequired": true,
"description": "The client ID Crunch gave you when it approved your API application."
},
{
"name": "CRUNCH_CLIENT_SECRET",
"description": "Only for confidential clients, which Crunch issues a secret. Leave empty for a public client."
},
{
"name": "CRUNCH_REDIRECT_URI",
"description": "Only if your API account has a redirect URI registered with Crunch. Empty means http://127.0.0.1:8976/callback."
},
{
"name": "CRUNCH_REFRESH_TOKEN",
"description": "Optional refresh token to start from instead of logging in. Don't use it anywhere else afterwards."
},
{
"name": "CRUNCH_ALLOW_WRITES",
"format": "boolean",
"default": "false",
"description": "Allow creating and changing records, including issuing invoices. Off means read-only."
},
{
"name": "CRUNCH_ALLOW_DELETES",
"format": "boolean",
"default": "false",
"description": "Also allow deleting records and removing payments. Needs CRUNCH_ALLOW_WRITES."
},
{
"name": "CRUNCH_ALLOW_EMAIL",
"format": "boolean",
"default": "false",
"description": "Also allow emailing invoices and turning on payment reminders. Needs CRUNCH_ALLOW_WRITES."
},
{
"name": "CRUNCH_TOOLSETS",
"description": "Optional comma-separated toolsets to expose fewer tools, e.g. account,reference,expenses. Empty means all."
},
{
"name": "CRUNCH_FILES_DIR",
"description": "Optional folder, inside the container, for receipts to attach and files to save. Mount it too. Empty turns it off."
},
{
"name": "CRUNCH_AUDIT_LOG",
"description": "Optional audit log of every change: stderr, or a file path inside the container. Empty turns it off."
}
]
}Tools
Reported by the attributed source; not independently observed by Koskamo.
Connect from your client
Each snippet configures the same source-provided package; replace placeholders before use.
Cursor
{
"mcpServers": {
"crunch-mcp-0-4-1": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"MCP_TRANSPORT=<YOUR_MCP_TRANSPORT>",
"-e",
"CRUNCH_CLIENT_ID=<YOUR_CRUNCH_CLIENT_ID>",
"-e",
"CRUNCH_CLIENT_SECRET=<YOUR_CRUNCH_CLIENT_SECRET>",
"-e",
"CRUNCH_REDIRECT_URI=<YOUR_CRUNCH_REDIRECT_URI>",
"-e",
"CRUNCH_REFRESH_TOKEN=<YOUR_CRUNCH_REFRESH_TOKEN>",
"-e",
"CRUNCH_ALLOW_WRITES=<YOUR_CRUNCH_ALLOW_WRITES>",
"-e",
"CRUNCH_ALLOW_DELETES=<YOUR_CRUNCH_ALLOW_DELETES>",
"-e",
"CRUNCH_ALLOW_EMAIL=<YOUR_CRUNCH_ALLOW_EMAIL>",
"-e",
"CRUNCH_TOOLSETS=<YOUR_CRUNCH_TOOLSETS>",
"-e",
"CRUNCH_FILES_DIR=<YOUR_CRUNCH_FILES_DIR>",
"-e",
"CRUNCH_AUDIT_LOG=<YOUR_CRUNCH_AUDIT_LOG>",
"ghcr.io/mattoddie/crunch-mcp:0.4.1"
],
"env": {
"MCP_TRANSPORT": "<YOUR_MCP_TRANSPORT>",
"CRUNCH_CLIENT_ID": "<YOUR_CRUNCH_CLIENT_ID>",
"CRUNCH_CLIENT_SECRET": "<YOUR_CRUNCH_CLIENT_SECRET>",
"CRUNCH_REDIRECT_URI": "<YOUR_CRUNCH_REDIRECT_URI>",
"CRUNCH_REFRESH_TOKEN": "<YOUR_CRUNCH_REFRESH_TOKEN>",
"CRUNCH_ALLOW_WRITES": "<YOUR_CRUNCH_ALLOW_WRITES>",
"CRUNCH_ALLOW_DELETES": "<YOUR_CRUNCH_ALLOW_DELETES>",
"CRUNCH_ALLOW_EMAIL": "<YOUR_CRUNCH_ALLOW_EMAIL>",
"CRUNCH_TOOLSETS": "<YOUR_CRUNCH_TOOLSETS>",
"CRUNCH_FILES_DIR": "<YOUR_CRUNCH_FILES_DIR>",
"CRUNCH_AUDIT_LOG": "<YOUR_CRUNCH_AUDIT_LOG>"
}
}
}
}Cline
{
"mcpServers": {
"crunch-mcp-0-4-1": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"MCP_TRANSPORT=<YOUR_MCP_TRANSPORT>",
"-e",
"CRUNCH_CLIENT_ID=<YOUR_CRUNCH_CLIENT_ID>",
"-e",
"CRUNCH_CLIENT_SECRET=<YOUR_CRUNCH_CLIENT_SECRET>",
"-e",
"CRUNCH_REDIRECT_URI=<YOUR_CRUNCH_REDIRECT_URI>",
"-e",
"CRUNCH_REFRESH_TOKEN=<YOUR_CRUNCH_REFRESH_TOKEN>",
"-e",
"CRUNCH_ALLOW_WRITES=<YOUR_CRUNCH_ALLOW_WRITES>",
"-e",
"CRUNCH_ALLOW_DELETES=<YOUR_CRUNCH_ALLOW_DELETES>",
"-e",
"CRUNCH_ALLOW_EMAIL=<YOUR_CRUNCH_ALLOW_EMAIL>",
"-e",
"CRUNCH_TOOLSETS=<YOUR_CRUNCH_TOOLSETS>",
"-e",
"CRUNCH_FILES_DIR=<YOUR_CRUNCH_FILES_DIR>",
"-e",
"CRUNCH_AUDIT_LOG=<YOUR_CRUNCH_AUDIT_LOG>",
"ghcr.io/mattoddie/crunch-mcp:0.4.1"
],
"env": {
"MCP_TRANSPORT": "<YOUR_MCP_TRANSPORT>",
"CRUNCH_CLIENT_ID": "<YOUR_CRUNCH_CLIENT_ID>",
"CRUNCH_CLIENT_SECRET": "<YOUR_CRUNCH_CLIENT_SECRET>",
"CRUNCH_REDIRECT_URI": "<YOUR_CRUNCH_REDIRECT_URI>",
"CRUNCH_REFRESH_TOKEN": "<YOUR_CRUNCH_REFRESH_TOKEN>",
"CRUNCH_ALLOW_WRITES": "<YOUR_CRUNCH_ALLOW_WRITES>",
"CRUNCH_ALLOW_DELETES": "<YOUR_CRUNCH_ALLOW_DELETES>",
"CRUNCH_ALLOW_EMAIL": "<YOUR_CRUNCH_ALLOW_EMAIL>",
"CRUNCH_TOOLSETS": "<YOUR_CRUNCH_TOOLSETS>",
"CRUNCH_FILES_DIR": "<YOUR_CRUNCH_FILES_DIR>",
"CRUNCH_AUDIT_LOG": "<YOUR_CRUNCH_AUDIT_LOG>"
}
}
}
}VS Code
{
"servers": {
"crunch-mcp-0-4-1": {
"type": "stdio",
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"MCP_TRANSPORT=<YOUR_MCP_TRANSPORT>",
"-e",
"CRUNCH_CLIENT_ID=<YOUR_CRUNCH_CLIENT_ID>",
"-e",
"CRUNCH_CLIENT_SECRET=<YOUR_CRUNCH_CLIENT_SECRET>",
"-e",
"CRUNCH_REDIRECT_URI=<YOUR_CRUNCH_REDIRECT_URI>",
"-e",
"CRUNCH_REFRESH_TOKEN=<YOUR_CRUNCH_REFRESH_TOKEN>",
"-e",
"CRUNCH_ALLOW_WRITES=<YOUR_CRUNCH_ALLOW_WRITES>",
"-e",
"CRUNCH_ALLOW_DELETES=<YOUR_CRUNCH_ALLOW_DELETES>",
"-e",
"CRUNCH_ALLOW_EMAIL=<YOUR_CRUNCH_ALLOW_EMAIL>",
"-e",
"CRUNCH_TOOLSETS=<YOUR_CRUNCH_TOOLSETS>",
"-e",
"CRUNCH_FILES_DIR=<YOUR_CRUNCH_FILES_DIR>",
"-e",
"CRUNCH_AUDIT_LOG=<YOUR_CRUNCH_AUDIT_LOG>",
"ghcr.io/mattoddie/crunch-mcp:0.4.1"
],
"env": {
"MCP_TRANSPORT": "<YOUR_MCP_TRANSPORT>",
"CRUNCH_CLIENT_ID": "<YOUR_CRUNCH_CLIENT_ID>",
"CRUNCH_CLIENT_SECRET": "<YOUR_CRUNCH_CLIENT_SECRET>",
"CRUNCH_REDIRECT_URI": "<YOUR_CRUNCH_REDIRECT_URI>",
"CRUNCH_REFRESH_TOKEN": "<YOUR_CRUNCH_REFRESH_TOKEN>",
"CRUNCH_ALLOW_WRITES": "<YOUR_CRUNCH_ALLOW_WRITES>",
"CRUNCH_ALLOW_DELETES": "<YOUR_CRUNCH_ALLOW_DELETES>",
"CRUNCH_ALLOW_EMAIL": "<YOUR_CRUNCH_ALLOW_EMAIL>",
"CRUNCH_TOOLSETS": "<YOUR_CRUNCH_TOOLSETS>",
"CRUNCH_FILES_DIR": "<YOUR_CRUNCH_FILES_DIR>",
"CRUNCH_AUDIT_LOG": "<YOUR_CRUNCH_AUDIT_LOG>"
}
}
}
}Claude Desktop
{
"mcpServers": {
"crunch-mcp-0-4-1": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"MCP_TRANSPORT=<YOUR_MCP_TRANSPORT>",
"-e",
"CRUNCH_CLIENT_ID=<YOUR_CRUNCH_CLIENT_ID>",
"-e",
"CRUNCH_CLIENT_SECRET=<YOUR_CRUNCH_CLIENT_SECRET>",
"-e",
"CRUNCH_REDIRECT_URI=<YOUR_CRUNCH_REDIRECT_URI>",
"-e",
"CRUNCH_REFRESH_TOKEN=<YOUR_CRUNCH_REFRESH_TOKEN>",
"-e",
"CRUNCH_ALLOW_WRITES=<YOUR_CRUNCH_ALLOW_WRITES>",
"-e",
"CRUNCH_ALLOW_DELETES=<YOUR_CRUNCH_ALLOW_DELETES>",
"-e",
"CRUNCH_ALLOW_EMAIL=<YOUR_CRUNCH_ALLOW_EMAIL>",
"-e",
"CRUNCH_TOOLSETS=<YOUR_CRUNCH_TOOLSETS>",
"-e",
"CRUNCH_FILES_DIR=<YOUR_CRUNCH_FILES_DIR>",
"-e",
"CRUNCH_AUDIT_LOG=<YOUR_CRUNCH_AUDIT_LOG>",
"ghcr.io/mattoddie/crunch-mcp:0.4.1"
],
"env": {
"MCP_TRANSPORT": "<YOUR_MCP_TRANSPORT>",
"CRUNCH_CLIENT_ID": "<YOUR_CRUNCH_CLIENT_ID>",
"CRUNCH_CLIENT_SECRET": "<YOUR_CRUNCH_CLIENT_SECRET>",
"CRUNCH_REDIRECT_URI": "<YOUR_CRUNCH_REDIRECT_URI>",
"CRUNCH_REFRESH_TOKEN": "<YOUR_CRUNCH_REFRESH_TOKEN>",
"CRUNCH_ALLOW_WRITES": "<YOUR_CRUNCH_ALLOW_WRITES>",
"CRUNCH_ALLOW_DELETES": "<YOUR_CRUNCH_ALLOW_DELETES>",
"CRUNCH_ALLOW_EMAIL": "<YOUR_CRUNCH_ALLOW_EMAIL>",
"CRUNCH_TOOLSETS": "<YOUR_CRUNCH_TOOLSETS>",
"CRUNCH_FILES_DIR": "<YOUR_CRUNCH_FILES_DIR>",
"CRUNCH_AUDIT_LOG": "<YOUR_CRUNCH_AUDIT_LOG>"
}
}
}
}Let your agent find its tools
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