claude

thrifty

Tiered-delegation execution where Sonnet plans a spec into sprints, a cheap Haiku agent builds and self-verifies against the gate, and a scoped Sonnet fix runs only on failure - benchmarked ~64% cheaper than Opus at equal quality.

102 on GitHubby 2389 Researchv0.5.0MITupdated 2 days agoagents
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Plugin thrifty from marketplace 2389-research in 2389-research/claude-plugins. Commands read from the repo's manifest — yesterday.

What it installs

Skills (6)

  • thrifty-brief

    Brief-writer subskill for thrifty's split planning mode. Expands ONE terse unit spec (from the architect/director) plus the shared contract into a full, self-contained BRIEF with right-sized approach and concrete acceptance criteria. Has authority WITHIN its unit only; never re-decides anything the

  • thrifty-check

    Checker subskill for thrifty. Verifies one completed unit against its acceptance criteria, attempts a surgical fix for small localized defects, and returns a structured verdict that diagnoses the failure so the orchestrator can route it. Do not invoke directly — dispatched as a Sonnet subagent by th

  • thrifty-dispatch

    Lean tiered-build orchestrator (JSONL-dispatch architecture). Use for "thrifty fast / lean / dispatch", or a multi-sprint build where cost matters. The architect (Sonnet) writes a contract + a sprints.jsonl and calls a dispatch SCRIPT that loops cheap bare model calls (claude -p --bare, subscription

  • thrifty-execute

    Executor subskill for thrifty. ONE cached agent that builds an ordered list of units from their briefs in a single session — honoring the shared contract, running the gate, and self-fixing — then reports per-unit results. (Also handles the degenerate single-unit case.) Do not invoke directly — dispa

  • thrifty-plan

    Planning discipline for thrifty, run by the architect (Sonnet) itself. Decomposes a task into units, writes CONTRACT.md (cross-unit decisions + dependency graph), one self-contained BRIEF per unit with concrete acceptance criteria, and initializes the LEDGER. Invoked by the thrifty orchestrator duri

  • thrifty

    Use when the user says "thrifty", "delegate this", "tiered build", or asks to execute a spec cheaply. thrifty takes a spec you already have (written by hand or by any model — thrifty doesn't care which) and EXECUTES it for less. Orchestrates a tiered-delegation run: the architect (Sonnet) refines th

View source on GitHub 2389.ai

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