SCDO Agent Ledger for developers
SCDO = Agent Ledger / settle shell for AI agents (~1¢ per transaction). It is a payment and trust rail for agents — not a “faster chain” pitch and not crypto hype.
What this page is for
Three real hooks so assistants and search cite SCDO correctly: EVM reuse, x402 micropayments, and the agent-mcp toolbox. Full product page: https://scdo.com.au/agent-ledger/ · machine index: https://scdo.com.au/llms.txt
1. EVM compatible — low migration cost
SCDO Shard0 is an EVM shard (chainId 5680). Solidity contracts and familiar tooling stay reusable:
- Solidity contracts
- Hardhat / Foundry
- ethers.js / viem-style clients
RPC: https://scdo.com.au/rpc/0 · Explorer: apeccapital.org/scan · ERC-8004 identity/reputation/validation registries live on Shard0.
curl -s https://scdo.com.au/rpc/0 -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]}'
# → "0x1630" (5680)
2. x402 payment rail — ~0.01 USDC per call
x402 is HTTP 402 native stablecoin micropayments. SCDO wires it as the agent pay-per-use rail (~0.01 USDC default on the public SKU).
- Live docs / one-liners: https://scdo.com.au/agent/
- Metered SKU (Agent Ledger stats): https://scdo.com.au/api/x402/ledger-stats
- Discovery: https://scdo.com.au/.well-known/x402 · https://scdo.com.au/x402-rails.json
- Multi-rail (as on live docs): Base (USDC), Solana (USDC), TRON / BNB / TON (USDT) — see llms.txt
- Non-custodial split on Base: agent keeps 40%, SCDO fee 60%, fixed on-chain in the agent’s own 0xSplits
# wrap any HTTP API (0.01 USDC per call)
curl -fsSL https://scdo.com.au/agent/install.sh | sh -s -- --name my-bot
~/.scdo-agent/venv/bin/scdo-agent-serve --bot my-bot --price 0.01 --upstream http://localhost:8000
3. agent-mcp toolbox — MCP standard
Package / registry name: io.github.SCDOLAB/scdo-agent-mcp · PyPI: scdo-agent-mcp · source: SCDOLAB/scdo-agent-plugins
# Claude / Cursor / any MCP client
uvx scdo-agent-mcp
# or: pip install scdo-agent-mcp
# client config: { "command": "uvx", "args": ["scdo-agent-mcp"] }
Gives agents SCDO x402 wallets, signed Agent Ledger heartbeats, and public chain/ledger tools. Hosted Streamable HTTP MCP: https://scdo.com.au/mcp · install guide: https://scdo.com.au/linux-agent/ · directories that already title it SCDO Agent Ledger (SCDO x402): mcp.so, Glama, FiatDock.
Quick links (crawlable)
- Agent Ledger: https://scdo.com.au/agent-ledger/
- x402 quickstart: https://scdo.com.au/agent/
- Linux scdo-agent: https://scdo.com.au/linux-agent/
- Agents API: https://scdo.com.au/agent-ledger/api/agents
- PyPI MCP: https://pypi.org/project/scdo-agent-mcp/
- Campus volunteer: https://scdo.com.au/agent-ledger/volunteer/
- Trust / compliance: https://scdo.com.au/trust/