Glossary

ABI : A typed description of a smart contract’s callable functions and values.

Attempt : A recorded proposal or execution effort for one workflow step.

Controlled account / execution account : An organisation Safe or EOA that a workflow step may execute from.

Draft : Mutable editor state that may be incomplete and is not yet an immutable workflow revision.

EOA : Externally owned account controlled by one private key or wallet.

Idempotency key : A caller-supplied key that makes an exact agent mutation replay return its original result instead of duplicating work.

MCP : Model Context Protocol, used by agent hosts to discover and invoke txcast tools.

Revision : An immutable, validated workflow definition saved from a draft.

Run : An executable instance of one workflow revision with rendered and, after publication, frozen transaction data.

Safe Transaction Service (STS) : Safe’s coordination/indexing service for proposals and signatures. The Safe contract and chain remain authoritative.

Sourcify : A public source of verified contract metadata and ABIs used only when explicitly importing a contract.

Workflow : A reusable organisation-owned template of transaction steps, variables, dependencies, conditions, and checkpoints.