INDIVIDUAL MCP TOOL
protocol_matrix
Read ARC's neutral Protocol Matrix: for UCP, ACP, PAP, WebMCP, MCP and agent payment protocols, how many checked stores declare, validate, answer and transact, with evidence labels (Measured / Inferred / Not measured).
LIVE ENDPOINT
https://www.arcreport.ai/api/ask
Connect to this endpoint to inspect the live schema for protocol_matrix and invoke it with your own arguments.
Indexed input schema
{}Risk classification
Potential side effects detected · medium confidence · heuristic, not a guarantee.
- A tool name or description suggests a financial action.
Parent server
CONNECT WITH APPROVAL
Client installation
Review this server and its permissions before adding it. Secret placeholders must be set locally.
Codex
~/.codex/config.toml
[mcp_servers.arc-ask-public-index-read]
url = "https://www.arcreport.ai/api/ask"
enabled = true
Claude Code
.mcp.json
{
"mcpServers": {
"arc-ask-public-index-read": {
"type": "http",
"url": "https://www.arcreport.ai/api/ask"
}
}
}
Claude Desktop
Settings → Connectors → Add custom connector
Name: arc-ask-public-index-read
Remote MCP URL: https://www.arcreport.ai/api/ask
Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.
Cursor
.cursor/mcp.json
{
"mcpServers": {
"arc-ask-public-index-read": {
"url": "https://www.arcreport.ai/api/ask"
}
}
}
Visual Studio Code
.vscode/mcp.json
Add to Visual Studio Code{
"servers": {
"arc-ask-public-index-read": {
"type": "http",
"url": "https://www.arcreport.ai/api/ask"
}
}
}
Generic MCP
Client-specific MCP configuration
{
"name": "arc-ask-public-index-read",
"transport": "streamable-http",
"url": "https://www.arcreport.ai/api/ask"
}
MCP Inspector
Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.
Related tools
ask_arc— Read the public ARC Index with no login.can_agent_checkout— Can an AI agent buy from this store or check out on this Shopify store?find_agent_ready_stores— Find stores where an AI agent can complete checkout for running shoes, beauty, clothing, home goods, or another product need.agent_commerce_adoption— Read ARC's agent commerce adoption counts, category and commerce platform rates from saved HTTP checks, including Checkout WebMCP among measured Shopify checkouts, with unknown and not checked separate; buyer approval required.product_data_check— Free latest saved product data and return/shipping policy check from the store's pages and structured data.google_checkout_readiness— Read saved public Google agentic checkout readiness checks for a store.get_agent_facts— Read free ARC agent facts for a store or product with no login.list_category_agent_facts— List free ARC agent facts by category (beauty, footwear, apparel, …) with no login.