MerchantHQ Card Acquirer Index

UK card-payment acquirer terms and fees from the MerchantHQ Card Acquirer Index. Read-only.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
90%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~166Tokens (tool definitions)
~1.2 KBTypical response size
Minimal attention impact (0.13% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "card-acquirer-index": {
      "url": "https://merchanthq.co.uk/mcp"
    }
  }
}

Remote endpoints

https://merchanthq.co.uk/mcpstreamable-http

What it can do

Tool inventory

Tools (1)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢search_acquirers(query, tier, channel)

Search UK card-payment acquirers and processors in the MerchantHQ Card Acquirer Index. Filter by free-text query, acquirer tier, or sales channel. Returns factual terms (headline rate, settlement timing, contract length, channels) plus regulatory identifiers where verified. Read-only.

Input Schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Free-text match on name, notes and terms."
    },
    "tier": {
      "type": "string",
      "enum": [
        "mainstream",
        "bank",
        "high-risk",
        "online-gateway",
        "alt-payment"
      ],
      "description": "Acquirer category."
    },
    "channel": {
      "type": "string",
      "enum": [
        "in-person",
        "online",
        "omnichannel"
      ],
      "description": "Sales channel the acquirer supports."
    }
  },
  "additionalProperties": false
}

Community

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Evidence

Recent observations

verifiedversion not recorded1 tools