A read-only helper that finds and resolves the cross-reference lines in one specmgr document. It reports each referenced item's type, ID, title, and path, and flags items missing from disk.

Use it to check document dependencies and find broken or unresolved references.

It gives you a reliable inventory of a document's links without changing files or committing anything.

How dfch/biz.dfch.SpecMgr configures OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to dfch/biz.dfch.SpecMgr. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/dfch/biz.dfch.SpecMgr/dev/.opencode/agent/ref-finder.md

Clone the repo

git clone --depth 1 https://github.com/dfch/biz.dfch.SpecMgr

Made for: OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/agents/dfch/biz.dfch.specmgr/ref-finder/github.svg)](https://agentmods.dev/agents/dfch/biz.dfch.specmgr/ref-finder)

Your own site

<a href="https://agentmods.dev/agents/dfch/biz.dfch.specmgr/ref-finder"><img src="https://agentmods.dev/badge/agents/dfch/biz.dfch.specmgr/ref-finder/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/agents/dfch/biz.dfch.specmgr/ref-finder"><img src="https://agentmods.dev/badge/agents/dfch/biz.dfch.specmgr/ref-finder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 76 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 821 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin unknown 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.

Model	Per session	Once invoked
Fable 5.1	$0.00076	$0.00821
Opus 5.5	$0.00030	$0.00328
Sonnet 5.5	$0.00015	$0.00164
Haiku 4.5	$0.00008	$0.00082

Measured 26d ago against content hash 6e487b7ece84, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ref-finder 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 26d 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.

.opencode/agent/ref-finder.md · 68 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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.

26d ago Changed 6e487b7ece84
28d ago Changed · +1 lines e76bdd223ec9
1mo ago First seen · 67 lines · 76 tokens per session scan A 5a934f42d433

Subscribe to this mod's changes

ref-finder is an agent published in the GitHub repository dfch/biz.dfch.SpecMgr (2 stars, last pushed yesterday), licensed AGPL-3.0. It adds 76 tokens to every session and 821 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-24.

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biz.dfch.SpecMgr: Agent for OpenCode