VISA Dispute Advisor
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| extensions | {
"io.modelcontextprotocol/ui": {}
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| search_visa_rulesA | Search VISA Dispute Management Guidelines for rules relevant to a dispute. Args: scenario: Free-text description of the dispute (cardholder claim, merchant response, transaction type, etc.). Returns: A ranked list of matching VISA rule candidates, each containing: condition_id – e.g. "13.1" title – section heading snippet – relevant text excerpt score – cosine similarity score (0–1, higher = more relevant) |
| query_warehouseA | Retrieve the dispute history for a merchant from the data warehouse. Args: merchant_id: The merchant identifier (e.g. "MER-001"). Returns: A dict containing: merchant_id – the queried ID merchant_name – registered name (or None) total_cases – total number of dispute cases on record resolutions – breakdown: {merchant_won, merchant_lost, settled, pending} cases – list of individual case records (date, amount, type, res) |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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