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Scaffold a new agent harness for open-managed-agents and register it. Use when adding a new way to drive the model loop, like the default / acp-proxy / flue harnesses.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
Decide whether a changeset is needed and draft it for open-managed-agents. Only @getoma/cli and @getoma/sdk are published; internal @duyet/oma-* packages never need one.
Help users create and configure oma managed agents through conversation. Trigger when users say "create an agent", "I need an agent that...", "set up an agent for", "build me a bot", or describe a task to automate. Also trigger for "Create with AI" from Dashboard. Also use when users ask about the oma platform, what it can do, how to use the CLI, or how to configure resources.
Use the oma platform to build, deploy, and manage AI agents. Trigger when users want to create agents, start sessions, manage environments, configure model cards, handle vaults/credentials, install skills, connect MCP servers, or interact with the oma HTTP API. Also trigger when users mention "oma", "openma", "managed agents", or ask how to deploy/run/manage an agent on oma.
Run the full local pre-push gate (typecheck + all vitest pools) for open-managed-agents. Use before pushing or opening a PR — no CI workflow gates PRs in this repo, so this is the only gate.
| name | new-harness |
| description | Scaffold a new agent harness for open-managed-agents and register it. Use when adding a new way to drive the model loop, like the default / acp-proxy / flue harnesses. |
| disable-model-invocation | true |
Scaffold a new harness named $ARGUMENTS (the string an agent selects via harness: "<name>").
Read the current contract first — open apps/agent/src/harness/interface.ts and use the live HarnessInterface, HarnessContext, and HarnessRuntime shapes. Do NOT assume a signature from memory; the interface evolves.
Study a real implementation for the pattern:
apps/agent/src/harness/default-loop.ts (DefaultHarness) — drives its own streamText/generateText loop.apps/agent/src/harness/acp-proxy-loop.ts / flue-loop.ts — meta-harnesses that hand the turn to an external runtime and make shouldCompact / compact / deriveModelContext deliberate no-ops.Create apps/agent/src/harness/<name>-loop.ts exporting a class that implements HarnessInterface. run(ctx) is required; only override the optional hooks (onSessionInit, shouldCompact, compact, deriveModelContext) where this harness must diverge from platform defaults. If you override deriveModelContext, keep its output byte-deterministic — the prompt cache invalidates on any prefix drift (see the interface comments).
Register it in apps/agent/src/index.ts, next to the existing registerHarness(...) calls:
import { <Name>Harness } from "./harness/<name>-loop";
registerHarness("<name>", () => new <Name>Harness());
Add a unit test alongside the existing harness tests, then run /preflight.