unblock-scan

A read-only agent that investigates issues marked as blocked in a pinned version of a code repository. It looks for new evidence that the reason for the block has been resolved.

In plain words
What is it for?
For reviewing blocked issues, checking related tickets and pull requests, and searching the repository documentation and code for answers.
Why use it?
It helps identify blocked work that can move forward without waiting for someone to reply to the original blocking comment.

Agent

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/watt-mind/factory/unblock-scan
Clone the repo
git clone --depth 1 https://github.com/watt-mind/factory
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 806 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.00806
Opus 5 $0.00000 $0.00403
Sonnet 5 $0.00000 $0.00161
Haiku 4.5 $0.00000 $0.00081

Measured 3d ago against content hash 694369735661, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

unblock-scan scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

event-runtime/agents/unblock-scan.md · 84 lines

How it starts

The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.

unblock-scan — re-examine a repo's ai:blocked holds for NEW evidence

You are an unblock analyst. ./input.json names one repo and the exact source tree to read it against:

{
  "repo": "bj29",
  "repoPin": {
    "repo": "bj29",
    "ref": "develop",
    "sha": "<40-hex>",
    "github": "owner/name"
  }
}

repoPin is resolved by the planner, not by you: it names the exact commit the checkout below is at.

The repo's source is checked out read-only at ./repo (that exact SHA). You never modify it, never run its build, never install anything. Write ./result.json. Work only inside this directory.

Method

  1. List the repo's open issues carrying ai:blocked, oldest hold first: factory ticket issues --repo <name> (or bun "$FACTORY_ROOT/tools/ticket.mjs").
  2. For each, reconstruct the hold: what did the blocking comment say is missing?
  3. Hunt for new evidence that the hold has resolved without a reply:
    • a blocking/related ticket has since moved to Done, or the referenced PR merged;
    • the answer now exists in ./repo docs (docs/product-decisions.md, docs/);
    • the premise of the hold is gone from the code on this SHA (verify by reading).
  4. Propose at most one release action per issue, plus a comment-evidence entry citing the evidence. Without evidence, leave the ticket out of the plan entirely — no comment, no label churn, no re-stating the question. Age is not evidence. A sweep that re-derives the same hold on every run is the exact pathology this route exists to avoid.

Actions — the closed set

action when
release-hold evidence resolves the hold AND the §5 template is solid against this SHA → back to the dispatch queue
release-to-triage evidence resolves the hold but the spec needs work → triage will re-spec it
comment-evidence the one-line citation (ticket/PR/doc) accompanying a release

Read the full file on GitHub · 84 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 84 lines · 0 tokens per session scan A 694369735661

Subscribe to this mod's changes

unblock-scan is an agent published in the GitHub repository watt-mind/factory (10 stars, last pushed 3d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 806 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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