Registrai Arc data
Read-only hourly data on stablecoin apps on Arc: payments, volume, indices, verified builders.
Connect it
Settings → Connectors → Add custom connector
URL: https://builder.registrai.cc/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://builder.registrai.cc/api/mcp{
"mcpServers": {
"arc-data": {
"url": "https://builder.registrai.cc/api/mcp"
}
}
}claude mcp add --transport http arc-data https://builder.registrai.cc/api/mcp{
"servers": {
"arc-data": {
"type": "http",
"url": "https://builder.registrai.cc/api/mcp"
}
}
}13 tools, verified live
arc_indicesread-onlyLatest hourly close of the Arc Builders, Integrations and Ecosystem indices (ABI, AII, AEI), their 24 h change base and decay parameters.
arc_index_historyread-onlyHourly closes of one Arc index, oldest first (at most 744 hours per call).
arc_appsread-onlyEvery stablecoin app on Arc in the indices with its last 24 h of stablecoin payments and USD volume, verified status and first-seen hour.
arc_appread-onlyOne Arc app by id (e.g. domain:archery.wtf, integration:uniswap): last 24 h, contracts count, verified status and the last 7 days of hourly rows.
arc_app_historyread-onlyOne app's hourly points and activity (payments, paying wallets, new payers, USD) in one index, oldest first.
arc_new_appsread-onlyApps first seen in an index after a given hour.
arc_verifiedread-onlyProjects whose builder proof validates against the Arc mainnet builder registry.
arc_index_history_deepread-onlyHourly closes of one Arc index for any window (beyond the free 744 h). Paid via x402 (USDC on Arc): $0.002 via Circle Gateway or $0.01 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
arc_app_history_deepread-onlyOne app's hourly points and activity for any window. Paid via x402 (USDC on Arc): $0.002 via Circle Gateway or $0.01 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
arc_members_dayread-onlyEvery member's hourly rows and the ABI, AII and AEI closes for one UTC day. Paid via x402 (USDC on Arc): $0.03 via Circle Gateway or $0.05 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
arc_eventsread-onlyWatch-feed events on Arc: deploys, upgrades, control changes, pauses and large outflows, labelled to projects. Paid via x402 (USDC on Arc): $0.002 via Circle Gateway or $0.01 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
arc_contractread-onlyFacts for one contract on Arc: label, project, recent events and USDC balance. Paid via x402 (USDC on Arc): $0.005 via Circle Gateway or $0.01 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
arc_project_scoperead-onlyEvery contract attributed to one project. Paid via x402 (USDC on Arc): $0.01 via Circle Gateway or $0.02 standard. Call once to get the payment requirements, then retry with params._meta["x402/payment"].
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