How to connect
Same URL, five paste targets. Ready surface · Auth required. Not a safe-to-install badge. Handshake this URL
Paste into Settings → MCP or .cursor/mcp.json.
{
"mcpServers": {
"square": {
"url": "https://square.run.tools"
}
}
}
Settings → Connectors → Add → Custom → Web. Paste the URL. Enable in a new chat.
Claude → Settings → Connectors → Add → Custom → Web
Name: Square
URL: https://square.run.tools
OAuth only if this server requires it.
Save, start a new chat, enable the connector.
Developer mode custom connector. ChatGPT cannot reach localhost.
Settings → Apps & Connectors → Advanced → Developer mode ON
Create custom connector
Name: Square
MCP server URL: https://square.run.tools
Auth: none unless the server requires OAuth
New chat → + → Developer mode → enable the connector
Register the HTTPS URL, then claude mcp list.
claude mcp add --transport http square \
https://square.run.tools
Pass on session/new as mcpServers when the agent advertised HTTP MCP.
[
{
"type": "http",
"name": "square",
"url": "https://square.run.tools"
}
]
Paste into a README or docs site. The widget loads snippets from Influzer — still not a SAFE badge.
Same handshake clock as this listing (overlay / warm / seed; live tools/list only if that is missing). Indigo is live_ok, amber is auth_required, gray is unreachable. Not a SAFE badge. Stdio listings have no badge.
[](https://www.influzer.ai/mcp/probe?url=https%3A%2F%2Fsquare.run.tools)
<div data-influzer-install="square"></div>
<script async src="https://www.influzer.ai/embed/install.js"></script>
https://www.influzer.ai/embed/mcp/square.md
Recipes using this server
No published recipes yet for this server.
Listing quality
Observable facts from our catalog and daily probe — not a safe-to-install badge.
- Surface
- Ready surface
- Live handshake
- Auth required
- Auth gate
- Auth gate
- Tools source
- tools/list (live)
Observable catalog + probe facts — not a safe-to-install badge.
Tools
(26)-
SQUARE_ACCEPT_DISPUTETool to accept a dispute and mark it as lost. Use after reviewing all evidence and deciding to accept liability.
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SQUARE_CANCEL_INVOICETool to cancel an invoice. Use when you need to void an existing invoice; ensure the invoice isn't in DRAFT or a terminal state before cancelling.
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SQUARE_CANCEL_PAYMENTTool to cancel a payment. Use after confirming the payment is in APPROVED status.
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SQUARE_CREATE_CARDTool to create a card on file. Use when you need to securely store a customer's card for future payments. Requires a valid nonce or payment ID.
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SQUARE_CREATE_DISPUTE_EVIDENCE_FILETool to upload a file as dispute evidence. Use when you need to attach supporting documents (PDF, image, etc.) to an existing dispute. Use after creating or retrieving a dispute.
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SQUARE_CREATE_DISPUTE_EVIDENCE_TEXTTool to upload text as evidence for a dispute challenge. Endpoint: POST /v2/disputes/{dispute_id}/evidence-text
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SQUARE_CREATE_INVOICE_ATTACHMENTTool to upload a file and attach it to a Square invoice. Use when you need to add supplementary documents to an invoice in DRAFT, SCHEDULED, UNPAID, or PARTIALLY_PAID state.
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SQUARE_DELETE_DISPUTE_EVIDENCETool to delete specified evidence from a dispute. Use when you need to remove an evidence item that is no longer relevant. Use after verifying dispute_id and evidence_id.
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SQUARE_DELETE_INVOICETool to delete a Square invoice (only DRAFT invoices can be deleted).
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SQUARE_DELETE_INVOICE_ATTACHMENTTool to delete an attachment from a Square invoice. Endpoint: DELETE /v2/invoices/{invoice_id}/attachments/{attachment_id}
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SQUARE_DELETE_WEBHOOK_SUBSCRIPTIONTool to delete a Square webhook subscription by ID.
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SQUARE_GET_DISPUTE_EVIDENCETool to retrieve a specific evidence item associated with a given dispute. Endpoint: GET /v2/disputes/{dispute_id}/evidence/{evidence_id}
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SQUARE_GET_INVOICETool to retrieve an invoice by ID. Use when you already have an invoice ID and need its details.
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SQUARE_LIST_DISPUTE_EVIDENCETool to list evidence items associated with a given dispute. Endpoint: GET /v2/disputes/{dispute_id}/evidence
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SQUARE_LIST_INVOICESTool to list invoices for a Square location.
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SQUARE_LIST_WEBHOOK_EVENT_TYPESTool to list available webhook event types. Use when you need to discover event types before creating or updating a webhook subscription.
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SQUARE_LIST_WEBHOOK_SUBSCRIPTIONSTool to list webhook subscriptions. Use when you need to retrieve a page of webhook subscriptions for your application; supports pagination.
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SQUARE_RETRIEVE_DISPUTETool to retrieve a Square dispute by ID. Endpoint: GET /v2/disputes/{dispute_id}
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SQUARE_RETRIEVE_ORDERTool to retrieve an order by its ID. Use when you have an order ID and need to fetch its details.
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SQUARE_RETRIEVE_PAYMENT_LINKTool to retrieve a payment link by ID. Use when you need to fetch full details of a specific checkout link.
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SQUARE_RETRIEVE_WEBHOOK_SUBSCRIPTIONTool to retrieve a Square webhook subscription by ID.
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SQUARE_SUBMIT_DISPUTE_EVIDENCETool to submit evidence for a dispute. Use when you have compiled all supporting documentation and want to send it to the cardholder's bank before the due date.
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SQUARE_TEST_WEBHOOK_SUBSCRIPTIONTool to test a webhook subscription. Use after creating or updating a subscription to verify its endpoint.
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SQUARE_UPDATE_ORDERTool to update an order. Use when modifying fields on an existing open order; requires the latest version for optimistic concurrency.
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SQUARE_UPDATE_WEBHOOK_SUBSCRIPTIONTool to update a Square webhook subscription. Use when you need to modify subscription settings such as name, enabled state, event types, notification URL, or API version of an existing webhook subscription.
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SQUARE_UPDATE_WEBHOOK_SUBSCRIPTION_SIGNATURE_KEYTool to rotate the signature key for a webhook subscription. Use when you need to replace the current signature key for security purposes.
Tool source: tools/list (live) · last probed 2026-10-17