MCP server

Registrai Arc data Official

cc.registrai/arc-data

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read-only hourly data on stablecoin apps on Arc: payments, volume, indices, verified builders.

Working at last checkVerified publisher: registrai.ccAbout 1,454 tokens per request once connected11 tools

Website

https://builder.registrai.cc/api/mcp

At a glance

Type: MCP server
Publisher: registrai.cc (verified by the MCP Registry)
Status: Working at last check
Tools: 11
Token cost: About 1,454 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http arc-data https://builder.registrai.cc/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.arc-data]
url = "https://builder.registrai.cc/api/mcp"

Gemini CLI

{"mcpServers":{"arc-data":{"httpUrl":"https://builder.registrai.cc/api/mcp"}}}

Cursor

{"mcpServers":{"arc-data":{"url":"https://builder.registrai.cc/api/mcp"}}}

VS Code

{"servers":{"arc-data":{"type":"http","url":"https://builder.registrai.cc/api/mcp"}}}

Antigravity

agy mcp add arc-data https://builder.registrai.cc/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"arc-data","server_url":"https://builder.registrai.cc/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"arc-data","server_url":"https://builder.registrai.cc/api/mcp"}

Tools

arc_app ~92 tokens
One Arc app by id (e.g. domain:archery.wtf, integration:uniswap; ids come from arc_apps): last 24 h, contracts count, verified status and the last 7 days of hourly rows.
arc_app_history ~184 tokens
One Arc app's hourly points and activity (payments, paying wallets, new payers, USD) in one index, oldest first.
arc_apps ~134 tokens
Every app on Arc in the indices with its last 24 h of stablecoin payments (USDC, EURC) and USD volume, verified status and first-seen hour. Use this when asked which apps use USDC on Arc, or which are most used. Not for token prices, DeFi TVL or chains other than Arc.
arc_apps_week ~111 tokens
Apps on Arc ranked by stablecoin payments received in the last 7 days (USD, payments, new paying wallets) and the hour each was first seen in Registrai's index. Use this when asked which apps on Arc are most used, which accept USDC, or what is new on Arc.
arc_ecosystem ~237 tokens
Every project in the Arc ecosystem directory (apps, wallets, exchanges, banks, infrastructure, partners) with category and status: live on mainnet, deployed or announced. Use this when asked what exists on Arc, which projects are in a category, or whether a company is on Arc. Not for token prices.
arc_entity ~89 tokens
One project in the Arc ecosystem directory by slug (slugs come from arc_ecosystem): summary, status with evidence, links, contracts on Arc and sources.
arc_index_history ~184 tokens
Hourly closes of one Arc index, oldest first (at most 744 hours per call). Use this for charts or changes over a window of up to 31 days.
arc_indices ~95 tokens
Latest hourly close of the Arc Builders, Integrations and Ecosystem indices (ABI, AII, AEI), their 24 h change base and decay parameters. Use this when asked how Arc app activity is trending overall.
arc_new_apps ~145 tokens
Arc apps first seen in an index after a given hour. Use this when asked what is new on Arc.
arc_numbers ~121 tokens
Chain-level Arc numbers: USDC and EURC supply, all stablecoins and TVL (from DefiLlama), estimated 24 h stablecoin volume, apps and projects, index closes and a dated timeline, each with its source and date. Use this when asked how big Arc is, how much USDC is on Arc, or Arc's TVL or volume.
arc_verified ~62 tokens
Arc projects whose builder proof validates against the Arc mainnet builder registry.

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