Inspiration
AI-assisted software development often loses critical context when work moves across coding agents, chat sessions, reviewers, or model providers. Chat history is fragile and provider-specific, while the evidence needed to resume safely already exists in Git, local project files, test results, and explicit human decisions.
What it does
Context Handoff Compiler is a local-first CLI that turns project state and selected evidence into validated, provider-neutral handoff packages. It helps humans and AI coding agents resume work with traceable provenance, explicit trust boundaries, integrity checks, and reproducible validation.
The current development build can inspect a Git worktree, ingest explicitly selected notes and test reports, compile and verify a canonical package, detect and redact secrets, record approvals and waivers, generate a Diff Review Gate, and render shareable outputs through capability profiles.
How we built it
The project is implemented in Python as an offline-first CLI. Git and portable JSON, JSONL, and Markdown artifacts remain authoritative, while provider-specific renderings are treated as derived outputs. The implementation uses strict schema validation, deterministic serialization, atomic no-overwrite finalization, fail-closed safety checks, and cross-platform automated tests.
Challenges we ran into
The hardest problem was preserving enough evidence for another agent to resume work without silently treating stale or untrusted data as authoritative. We addressed this by separating canonical records from derived renderings, binding approvals and evidence to exact content, and refusing incomplete or unsafe packages instead of guessing.
Build Week scope
This project existed before OpenAI Build Week. This submission will cover only the meaningful extension created during the eligible Build Week period. Before final submission, we will add the exact baseline commit, eligible commit range, Codex and GPT-5.6 workflow, and demonstrated results here.
Log in or sign up for Devpost to join the conversation.