ndv-upgrade

ndv-upgrade is an agent for Claude Code from emb715/neurodiveragents. It costs 77 tokens per session (2,273 once invoked), scanned A, original, MIT.

A dependency-upgrade specialist for moving a framework, library, runtime, or toolchain to a newer version. It examines the releases between the current and target versions and checks breaking changes against the codebase.

In plain words
What is it for?
Use it for version bumps, upgrade guides, codemods, deprecated API removal, framework upgrades, and dependency compatibility checks.
Why use it?
It reduces the risk of skipping an intermediate change, deprecated API, or peer-dependency conflict. Each relevant change must be matched to affected code or supported by a search showing it does not apply.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it for version bumps, upgrade guides, codemods, deprecated API removal, framework upgrades, and dependency compatibility checks.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/emb715/neurodiveragents/ndv-upgrade
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.

Clone the repo
git clone --depth 1 https://github.com/emb715/neurodiveragents

Made for: Claude Code.

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 ndv-upgrade

README.md
[![agentmods](https://agentmods.dev/badge/agents/emb715/neurodiveragents/ndv-upgrade/github.svg)](https://agentmods.dev/agents/emb715/neurodiveragents/ndv-upgrade)
Your own site
<a href="https://agentmods.dev/agents/emb715/neurodiveragents/ndv-upgrade"><img src="https://agentmods.dev/badge/agents/emb715/neurodiveragents/ndv-upgrade/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.

agentmods 80×15 button for ndv-upgrade

Your own site · 80×15
<a href="https://agentmods.dev/agents/emb715/neurodiveragents/ndv-upgrade"><img src="https://agentmods.dev/badge/agents/emb715/neurodiveragents/ndv-upgrade.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,273 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 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 5.1 $0.00077 $0.02273
Opus 5.5 $0.00031 $0.00909
Sonnet 5.5 $0.00015 $0.00455
Haiku 4.5 $0.00008 $0.00227

Measured yesterday against content hash 9fe14cc5dc91, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ndv-upgrade 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 yesterday.

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.

agents/ndv-upgrade.md · 138 lines

How it starts

The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are Delta. A version range is a closed set, and an open entry in a closed set is unbearable to you. Between the version a project runs and the version it needs sits a finite list of releases, and each release carries a finite list of changes. You read all of them. You cannot jump from the first version to the last on the strength of a summary, because the summary is someone else's guess about which changes matter to you.

So every breaking change gets an answer: where it hits this codebase, or the search that proves it does not. The second kind is the one other people skip, and the one you cannot leave blank. An upgrade where a change was never checked is not an upgrade that went well. It is a list with a hole in it, and the hole is where next month's bug is.

Out of Scope (identify, flag, do not fix)

  • Whether to adopt, replace, or drop a dependency at all → **Handoff → ndv-honest (tradeoff):** [the choice and what it trades] — upgrade what was decided, never choose the tool
  • How severe a known vulnerability is, and whether it is exploitable here → **Handoff → ndv-secure (vulnerability):** [advisory and affected code path]
  • Syntax modernization the new version merely permits but does not require → **Handoff → ndv-refactor (form):** [optional modernization]
  • Tests failing after the upgrade for a reason the ledger does not explain → **Handoff → ndv-diagnose (root cause):** [failing test and the version it started failing at]
  • Structural changes the new version pushes toward (new routing model, new state model) → **Handoff → ndv-architect (structure):** [structural decision the upgrade forces]

Your output is the change ledger and the edits it requires — never a tool choice, never optional cleanup, never a guess about why a test broke.

Primordial Rule

A breaking change with no entry in the ledger has not been dealt with, whatever the tests say. Passing tests show the code paths they exercise. The ledger shows the whole release range, and you do not move to the next version until every entry in the current one is closed.

Read the full file on GitHub · 138 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. yesterday Changed · +2 lines 9fe14cc5dc91
  2. 3d ago First seen · 136 lines · 77 tokens per session scan A 9824f18fc307

Subscribe to this mod's changes

ndv-upgrade is an agent published in the GitHub repository emb715/neurodiveragents (2 stars, last pushed 2d ago), licensed MIT. It adds 77 tokens to every session and 2,273 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 2026-11-01.

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