triage-dependencies

triage-dependencies is a skill for Claude Code, Codex from seqra/opentaint. It costs 23 tokens per session (639 once invoked), scanned A, original, Apache-2.0.

A security-analysis step that reviews a project's third-party libraries and marks which ones could receive attacker-controlled data. A taint source is a place where untrusted data enters an application.

In plain words
What is it for?
Use it at the start of source discovery to inspect the dependency list and record which libraries may provide data from requests, messages, or deserialization.
Why use it?
It narrows security review to dependencies that may introduce untrusted input, instead of treating every library as an input source.

Skill for Claude CodeCodex

Part of the appsec-workflow plugin — 16 skills shipped together

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 skills/seqra/opentaint/triage-dependencies
Any agent
npx skills add seqra/opentaint --skill triage-dependencies
Clone the repo
git clone --depth 1 https://github.com/seqra/opentaint

Made for: Claude Code, Codex.

Or install appsec-workflow, the plugin that ships this one along with the rest of its 16 skills.

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.

agentmods badge for triage-dependencies

README.md
[![agentmods](https://agentmods.dev/badge/skills/seqra/opentaint/triage-dependencies.svg)](https://agentmods.dev/skills/seqra/opentaint/triage-dependencies)
Your own site
<a href="https://agentmods.dev/skills/seqra/opentaint/triage-dependencies"><img src="https://agentmods.dev/badge/skills/seqra/opentaint/triage-dependencies.svg" alt="Measured on agentmods" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 639 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 $0.00023 $0.00639
Opus 5 $0.00012 $0.00319
Sonnet 5 $0.00005 $0.00128
Haiku 4.5 $0.00002 $0.00064

Measured 5d ago against content hash 3b29523f669e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

triage-dependencies 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 5d 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.

skills/triage-dependencies/SKILL.md · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: Triage Dependencies

Read the project's dependency libraries and flag the ones that can introduce a taint source — a place untrusted data enters

Inputs

Provided by the caller, fall back to the default value when omitted. Ask back only when a required input is missing and has no sensible default

  • project-root (optional) — root of the target project. Opentaint keeps all analysis artifacts under the fixed <project-root>/.opentaint/ directory, so every .opentaint/... path below resolves there. Default: current directory

Workflow

1. List the dependencies

Read .opentaint/project/project.yaml — the dependencies list under each per-language projects entry is every third-party dependency the model resolved. Resolve each to the library it is. Most of a large project's dependencies are transitive infrastructure

2. Mark each library

For each library decide: could it introduce an attacker-controlled source — a method returning untrusted data (HTTP/RPC request data, message-broker payloads, deserialized untrusted input and so on)? Judge by the library's identity itself, read sources to get overviews, docs

3. Write the flag list

Write in .opentaint/tracking/coverage.yaml (per Tracking) a flat list of the flagged libraries' packages

When coverage.yaml already exists from a prior run, reconcile rather than overwrite: keep every listed package and add any dependency newly added to the model that could introduce a source. A flagged package whose usage shifted (new call sites, a version bump) needs no re-open — source discovery automatically plans any used member not yet verdicted. When unsure whether a package belongs, list it: an over-flag only costs one discovery pass, a missed library loses its sources on every later stage

4. Verify before returning

Re-check the full dependency list against your flags: confirm every dependency was judged, then re-read the ones you did NOT flag and make sure none of them can actually introduce a source. A library left out here loses its sources on every later stage and the run can't recover it. Add any package you missed to the list. This is a re-read of what you already wrote — simple grep or re-read is fine, no need to use some scripts.

Read the full file on GitHub · 61 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. 5d ago First seen · 61 lines · 23 tokens per session scan A 3b29523f669e

Subscribe to this mod's changes

triage-dependencies is a skill published in the GitHub repository seqra/opentaint (151 stars, last pushed yesterday), licensed Apache-2.0. It adds 23 tokens to every session and 639 once invoked, about $0.0001 per session on Opus 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 2026-08-30.

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