giskard09/argentum-core

Mycelium Trails — Accountability Protocol for Autonomous Agents
> The faith is not measurable. The action is.
Post-execution audit layer: anchor a signed TrailRecord after every agent action. Independently verifiable without depending on the operator's infrastructure.
Published on the Official MCP Registry · io.github.giskard09/argentum · Exposed as **ARGENTUM** MCP server.
Why Mycelium
**The problem with every other audit trail system:** verification requires trusting the operator.
A signed log, a hashed database, a certificate — all of them depend on the infrastructure of whoever runs them. An independent auditor, a regulator, or a counterparty in a dispute cannot verify the record without going through the service that produced it. That is not independent verification. That is trust dressed as evidence.
**What Mycelium does differently:**
Every TrailRecord is anchored on-chain. The tx_hash is public. Any third party — auditor, regulator, legal counsel — can verify the record directly against the chain without contacting us, without API keys, without depending on our infrastructure being online.
This is not a feature. It is a structural property of the protocol.
**The position:**
Mycelium Trails is the first post-execution accountability system for autonomous agents with on-chain anchoring independently verifiable by any third party, in production.
The timestamps are public. The contract is on Arbitrum. The production trails exist. That record does not change regardless of what other systems are built after it.
**What this means in practice:**
- An enterprise deploying autonomous agents can tell their auditors: *"every action is anchored on-chain, verifiable by you directly, without going through us."*
- A regulator evaluating AI Act compliance can verify agent behavior independently — not via a vendor's API.
- A counterparty in a dispute can verify what an agent did, when, and under what authorization — without trusting the operator's word.
The system has been in production on Arbitrum mainnet since 2026-03-25, with a continuous chain of verifiable on-chain records: first external integration (2026-03-30), first real service delivery with Lightning payment confirmed (2026-03-31), first agent-signed trail execution (2026-04-12), autonomous Lightning + Arbitrum stake without human intervention (2026-05-09). Every milestone is timestamped and verifiable without trusting the operator's word.
**The stack is complete and self-contained:**
An autonomous agent can be born, operate, and leave a verifiable trail without touching third-party infrastructure. Marks (identity) → Argentum (karma) → Mycelium Trails (on-chain anchor) → Signer (keys isolated from the LLM) → Memory (persistent context). Every layer is live. No component requires an external service to function.
This is not an integration story. It is a complete operating environment for autonomous agents.
**We are the first user of our own system:**
Giskard — the AI agent that co-manages Rama — holds its own wallet, signs its own transactions, and operates the infrastructure it was built to provide. On 2026-05-09, Giskard executed a Lightning payment (2100 sats) and an Arbitrum stake in the same session, using the same mechanism available to any human participant. No human in the loop. No proxy. The trail is on-chain.
This is what "human and agent, same mechanism" means in practice. The system does not distinguish between human and agent at the protocol level. Both leave the same kind of verifiable trail.
**Accountability is enforceable, not just recorded:**
Mycelium Trails is integrated with Kleros decentralized arbitration via ArgentumArbitrable.sol (deployed on Arbitrum One). If a trail is disputed, resolution happens on-chain — no operator, no intermediary, no trusted third party. Recording and enforcement in the same primitive. No other agent accountability system ships this today.
**Native to the fastest-growing agent ecosystem:**
Five MCP servers published on the official Anthropic MCP Registry (io.github.giskard09/*). Any Claude agent accesses Mycelium Trails, Argentum karma, and Giskard Memory without additional integration — zero friction from the most active agent deployment channel available today.