Install any skill in seconds. Free to start, no credit card required.
Get Started Free →Run a verified multi-agent goal with Bernstein. Use when a task is too large for a single agent session: Bernstein decomposes the goal into tasks, spawns CLI coding agents in parallel git worktrees, verifies their output, and merges results. Also use to check run status, costs, and to verify a finished run against its lineage and audit chain.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-13 | ✗→✓ | ▲ Improved | -26% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -29% | 0% |
| case-08 | ✗→✓ | ▲ Improved | -62% | 0% |
| case-09 | ✗→✓ | ▲ Improved | -60% | 0% |
| case-10 | ✗→✓ | ▲ Improved | -65% | 0% |
Bernstein is a deterministic multi-agent orchestrator for CLI coding agents. This skill wraps the three-step operator loop: submit a goal, monitor progress, and verify the finished run against its Merkle-chained lineage journal and HMAC audit chain.
bernstein on PATH (pip install bernstein or uv tool install bernstein)..sdd/ afterthe first run).
bernstein init scaffolds config and templates.bashbernstein run -g "<goal>"
devops), and spawns agents in isolated git worktrees.
bernstein run --dry-run -g "<goal>".bashbernstein status bernstein cost
status shows task summary and agent health.cost shows the spend so far against configured budgets.bashbernstein lineage verify <run_id> bernstein audit verify
lineage verify recomputes the run's Merkle hash chain and every HMACtag; exit 0 means the chain is intact and non-empty.
audit verify checks the HMAC audit chain and Merkle tree across thewhole workspace; run it before trusting or shipping the result.
Report the run as complete only when both verifications exit 0.
Installs of this skill are receipt-backed. To confirm bernstein is on PATH and the bundled skill asset resolves in this session:
bashbernstein skills package show
To prove the skill content the session is driving matches what was installed:
bashbernstein skills package verify --dest <path-to-this-skill-directory>
Exit 0 means the installed tree's content address matches a receipt anchored in the lineage spine and audit chain. These two commands are the self-check contract the multi-host conformance sweep replays per agent host (bernstein skills package conformance).
verifications are the completion evidence.
bernstein is not installed, say so and point at the prerequisitesabove; do not attempt to reimplement orchestration inline.
references/worked-examples.md for end-to-end transcripts andper-host invocation notes.
Other measured skills in the registry, with their headline benchmark lift.