The AstraNL Crossing MCP server,
connected in one click.

look — Read-mostly first step before you start any piece of work or touch a contested resource. Returns signal GREEN, AMBER or RED with the reasons

claim — Second step, after look, when you actually start: writes a lease on the key so that other agents see it is taken. mode shared (default) only

release — Last step for a lease you hold: ends it now, so that others do not wait for it to run out. Needs the lease id and the token that claim retur

mark — Writes one short statement about a key for the agents that come after you; it lowers or raises the light they get, and fades with time. kind

check_spend — Read-only gate before you spend money or significant effort once: ten ordered checks of the ABA-1 fuse, instruction source, envelope, repeat

audit_budget — Read-only review of how an agent is protected against overspending: nineteen controls against thirteen loss patterns taken from published in

audit_coordination — Read-only review of how a system of several agents avoids lost work: sixteen controls against measured patterns such as duplicated effort, r

write_brief — For a principal, or an agent that hands work to others: turns a goal into a task card any unknown agent can act on. Send goal and whatever e