workflow-agent-unreachable-mid-flight-check-output-not-brief SKILL.md skillA

workflow-agent-unreachable-mid-flight-check-output-not-brief from wan-huiyan/agent-traffic-control is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wan-huiyan/agent-traffic-control/workflow-agent-unreachable-mid-flight-check-output-not-brief@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wan-huiyan/agent-traffic-control
Path
plugins/agent-traffic-control/skills/workflow-agent-unreachable-mid-flight-check-output-not-brief/SKILL.md
Versions recorded
1
Latest version
v1.0.0, committed Sep 2, 2026
Size
12,045 bytes
Repository stars
3
License
MIT

An agent's brief is frozen at the moment you dispatch it, and whether you can correct it later is decided by WHICH DISPATCH MECHANISM you used, not by how urgent the correction is. A subagent spawned directly can be sent a message: it reads the correction and keeps everything it has already worked out. An agent running inside a workflow has no address — correcting it means stopping the workflow, editing its script, and resuming by run id, with completed phases replaying from cache. Use when…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# A workflow agent has no address — check its output, not its brief

## Problem

Two facts that are easy to learn separately and expensive to learn together:

1. **A brief is frozen at dispatch.** Whatever the agent was told is what it
   believes for its whole run. Nothing you learn afterwards reaches it.
2. **Whether you can unfreeze it is a property of the dispatch mechanism**, decided
   before you knew you would need to.

A subagent you spawned directly has an address. You can send it a message; it reads
the correction and carries on with everything it has already worked out — the files
it has read, the design it settled on, the half-written diff.

An agent running as a phase inside a workflow has no address. To change what it was
told you have to **stop the workflow, edit the script, and resume by run id**
(`resumeFromRunId` in the harness this was learned on). Phases that already completed
replay from cache, so the run is not lost — but the agent's own accumulated context
is, and every call signature downstream of your edit re-runs live.

So the moment you pick a dispatch mechanism, you have already decided whether that
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wan-huiyan/agent-traffic-control/workflow-agent-unreachable-mid-flight-check-output-not-brief@sha256:812b21978bdb764a

The line at the top of this page pins the label v1.0.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_hexcjal5vbw2t2yt.svg)](https://markdownregistry.com/a/art_hexcjal5vbw2t2yt)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 2, 2026.

versioncommittedcommitsizeaudit
v1.0.0 latest2026-09-02 e4a8810 12,045 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (12045 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

wan-huiyan/agent-traffic-control · 3 stars · license MIT · pushed 2026-09-22 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hexcjal5vbw2t2yt
GET https://markdownregistry.com/api/v1/resolve?ref=wan-huiyan/agent-traffic-control/workflow-agent-unreachable-mid-flight-check-output-not-brief
GET https://markdownregistry.com/api/v1/blob/812b21978bdb764a6cb4ecbccc496fe1bca1231add9e7e486a9b6ff8286243bf

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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