A reference for building server-side AI features with Vercel AI SDK versions 5 and 6. It covers agents, tool approval, model providers, migration changes, and common errors.

Use it to build text generation, structured results, streaming responses, tools, or agents with Vercel AI SDK.

It helps developers handle SDK version changes and troubleshoot problems when adding AI behavior to a backend.

ai-sdk-core — Skill for Claude Code by ovachiever

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.

Any agent

npx skills add ovachiever/droid-tings --skill ai-sdk-core

Clone the repo

git clone --depth 1 https://github.com/ovachiever/droid-tings

Made for: Claude Code.

Or install ai-sdk-core, the plugin that ships this one along with the rest of its 1 skill.

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/skills/ovachiever/droid-tings/ai-sdk-core/github.svg)](https://agentmods.dev/skills/ovachiever/droid-tings/ai-sdk-core)

Your own site

<a href="https://agentmods.dev/skills/ovachiever/droid-tings/ai-sdk-core"><img src="https://agentmods.dev/badge/skills/ovachiever/droid-tings/ai-sdk-core/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/skills/ovachiever/droid-tings/ai-sdk-core"><img src="https://agentmods.dev/badge/skills/ovachiever/droid-tings/ai-sdk-core.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 125 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 5,766 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 1 finding. 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	$0.00125	$0.05766
Opus 5	$0.00063	$0.02883
Sonnet 5	$0.00025	$0.01153
Haiku 4.5	$0.00013	$0.00577

Measured 10d ago against content hash 5028044396d2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ai-sdk-core scanned grade A with 1 finding 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 10d ago.

The scan reads SKILL.md. This mod also ships 13 executable files (scripts/check-versions.sh, templates/agent-with-tools.ts, templates/anthropic-setup.ts, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

async fetch(request, env) {

skills/ai-sdk-core/SKILL.md · 850 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

What ships with it

22 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

10d ago First seen · 850 lines · 125 tokens per session scan A 5028044396d2

Subscribe to this mod's changes

ai-sdk-core is a skill published in the GitHub repository ovachiever/droid-tings (52 stars, last pushed 9mo ago), with no licence file. It adds 125 tokens to every session and 5,766 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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