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Aroha Protocol
Aroha Protocol is an open source protocol that provides verifiable identity and spending limits for AI agents.
Aroha Protocol provides cryptographically bounded authority for AI agents. It lets any agent that delegates keep enforceable control over every agent it hands work to, ensuring no agent exceeds its granted scope. Humans issue signed intent mandates with authorized actions, spending caps, and time-to-live bounds. Agents can attenuate these mandates to delegate strict subsets of scope, and any verifier checks the signed chain offline. The protocol integrates with MCP, LangChain, A2A, and Composio.
Aroha Protocol at a glance
Key features
- Cryptographic mandate chains
- Delegated scope attenuation
- Offline mandate verification
- Instant revocation registry
- Signed action receipts
- Bridges for MCP, LangChain, A2A, and Composio
Use it for
- Enforce spending limits on delegated AI agents
- Verify agent authority offline across vendors
- Revoke agent permissions instantly
- Generate signed receipts for agent actions
Alternatives to Aroha Protocol
- Agent Delegated Authority — It defines cryptographically verifiable authorization receipts and deterministic boundaries.
- A2A Protocol — Common language so agents can delegate work without sharing internals
- Password Agent Sys — Enforces strict permission control and cryptographic task delegation for multi-agent systems.
- Covenant / AAP — Maintains control over AI agent deals and approvals.
- AgentTrust — Enforces zero-trust policy rules and maintains an immutable cryptographic audit ledger.
- Agent Middleware — Requires signed permits and provides offline-verifiable receipts for tool calls.
- ARBR — Unifies routing, budgets, and governance behind one OpenAI-compatible endpoint.
- Attenuated Agent Budgets — Enables offline sub-budget splitting for agent swarms without crypto rails.
- OpenHarness — Manages Claude Code, Codex, and Hermes from a single command center.
- Permaura — Enforces user-defined rules and device-signed approvals for AI actions across connected apps.
- Bindu — Builds interoperable AI agents with A2A Protocol compliance and payment integration.
- Composio — Equips AI agents with tools, managed user auth, and sandboxes across 1,500+ apps
All Aroha Protocol alternatives