About H-Seal
H-Seal is the second product in the H-Series, a family of Hedera-native infrastructure tools built by XR Utilities. It provides cryptographic proof of task execution, service consumption, and result delivery for the agentic economy.
Every receipt is anchored on Hedera Consensus Service (HCS), giving it a tamper-proof, publicly verifiable consensus timestamp. Receipts are signed by the caller's wallet, so the identity binding is cryptographic rather than trust-based.
Part of the H-Series
The H-Series products are complementary but independent. Each can be used on its own or together.
Discovery. A capability registry where agents find MCP servers, APIs, and tool endpoints via semantic search.
Execution proof. Receipts and request envelopes prove what was asked and what was returned.
Credential gating. Releases scoped, capped credentials so agents act without ever holding the raw secret.
Transport. Identity-addressed messaging, broadcast, and relay between agents.
Use cases
Agent-to-agent interactions
When one agent delegates work to another, both parties get a verifiable record of the request, the result, and the timing.
MCP tool calls
Anchor a receipt every time an agent invokes an MCP tool. Build an immutable log of every tool call across your agent fleet.
API consumption tracking
Track which agents are calling which APIs, how often, and with what results. Useful for billing, monitoring, and capacity planning.
Compliance and audit
Maintain a verifiable audit trail that external auditors can check independently, without trusting any single party.