Bounding 'context soup' in multi-agent pipelines: state contracts, deterministic gates, loop breakers
RangeBrief1050 · reddit · 2026-10-25
A developer building a self-hosted multi-agent workflow (Ollama for routing/planning/summary plus Claude Code CLI headless mode, triggered via Telegram/smartwatch) describes the classic "context soup" trap: passing unbounded history between models turns an engineering system into an expensive non-deterministic group chat.
He treats the pipeline as a formal distributed state machine (Spec → Clarify → Plan → Atomic Diff → Deterministic Test → Review → Commit) and asks the community about four production concerns:
- State bounding & contracts: strictly typed payloads via Pydantic/JSON Schema with isolated context slices per agent (Coder sees only the atomic spec + target file; Reviewer only diff + test logs), or frameworks like LangGraph;
- Deterministic verification over model review: when to cut off models in favor of linters, pytest/cargo test, and Git diff sanity checks;
- Loop circuit breakers: heuristics like retry ceilings (N=2) and diff hash checks to stop models ping-ponging rejections before human escalation;
- Tool/provider portability: isolating the coordinator from a specific CLI/model so switching to open-weight local models doesn't require a rewrite.
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