Relay: A ledger-based middleware for reliable agent handoffs (Zero-dependency)

Reddit r/AI_Agents Tools
multi-agent-systems middleware ledger context-corruption agent-handoffs open-source

Summary

Relay is a ledger-based middleware for secure and auditable agent handoffs in multi-agent systems, featuring append-only context, snapshot recovery, and hard-cap budgeting to prevent context corruption and data leaks.

I’ve been seeing a lot of "Context Corruption" in multi-agent systems where agents slowly drift away from the facts or leak data they shouldn't. Things like context pollution and context exposure can leak major things like your API keys and credits. That's why you need something secure and auditable ..... You need **Relay** . **Key Architecture Decisions:** 1. **Append-only Ledger:** Context is never "overwritten." Every step creates a new signed envelope. 2. **Snapshot-First Recovery:** Instead of trying to prompt-engineer an agent back to sanity, Relay triggers a rollback to the last valid snapshot. 3. **Framework-Agnostic:** It works with LangChain, CrewAI, AutoGen, or just raw OpenAI/Ollama calls via adapters. 4. **Hard-Cap Budgeting:** It projects token costs *before* the call. If the agent is about to blow your budget, Relay kills the process. I’m looking for feedback on the Parallel Fork-Join model (v0.4). You can run 3 agents on the same context and join them via `UNION`, `VOTE`, or `FIRST_WINS`.
Original Article

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@dzhng: you should try /relay of duet agent:

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