Multi-agent coding

Run Multiple AI Coding Agents Without Losing Control

Can multiple AI coding agents work safely on the same codebase?

Yes—if each coding agent receives bounded ownership, an exact repository baseline and a fenced execution lease, while one authority controls integration. Nexus coordinates parallel AI development this way, rejecting stale workers and independently reviewing the exact commit proposed for the canonical codebase.

How agents avoid overwriting one another

Nexus decomposes a delivery plan into explicit work slices and gives each active lane a defined scope. Agents work in isolated repository state rather than sharing one mutable working directory.

Ownership is fenced. If a worker fails, times out or is replaced, its old token no longer authorises delivery. That prevents late results from overwriting newer work even when the old worker eventually returns.

Bounded files and acceptance criteria
Isolated branches or worktrees
Lease and fencing-token checks
Stale-worker rejection

How Nexus allocates and recovers work

The scheduler reads durable project state and selects ready work whose dependencies are satisfied. Allocation is deterministic and recorded, rather than inferred from transient agent messages.

Failed work can return to a known state for retry or reassignment. Late work remains visible as evidence but cannot bypass current ownership. This makes autonomous coding agents working in parallel recoverable rather than optimistic.

Dependency-aware work readiness
Role and capacity constraints
Recorded state transitions
Controlled retry and remediation

How parallel work is integrated safely

Each candidate delivery is tied to an exact SHA and its test evidence. Independent review inspects that identity, not an approximate description of the change. Findings can send work back through remediation.

After gates pass, a separate canonical integration authority decides how the accepted change joins the repository. Conflicts are treated as new engineering state to resolve, never as permission for two agents to push over one another.

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