Verifiable physical randomness from cosmic-ray detections. Free beacon, paid signed decisions.
Connect Remote server
claude mcp add --transport http costheta https://costheta.dev/mcp
{
"mcpServers": {
"costheta": {
"url": "https://costheta.dev/mcp"
}
}
}
{
"servers": {
"costheta": {
"type": "http",
"url": "https://costheta.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://costheta.dev/mcp
Tools 3 found in our last check
costheta_randomFree public random outcome anchored to the latest signed cosmic-ray coincidence pulse. This is a shared beacon: every caller sees the same latest signed pulse until the next muon arrives. For private commitments and retry-safe paid certificates, use costheta_decide.
costheta_decidePaid x402 Base mainnet tool: commit-and-reveal decision with a signed certificate. Requires PAYMENT-SIGNATURE and idempotency_key.
costheta_witnessPaid x402 Base mainnet tool: witness a caller commitment against a signed pulse certificate. Requires PAYMENT-SIGNATURE and idempotency_key.
Details
| Endpoint | https://costheta.dev/mcp (Streamable HTTP) |
| First published | 12 Aug 2026 |
| Last updated | 12 Aug 2026 |
| Registry name | dev.costheta/costheta |
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