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.
npx skills add blockmatic/basilic --skill ai-sdk-core-v7git clone --depth 1 https://github.com/blockmatic/basilicWrote 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.
[](https://agentmods.dev/skills/blockmatic/basilic/ai-sdk-core-v7)<a href="https://agentmods.dev/skills/blockmatic/basilic/ai-sdk-core-v7"><img src="https://agentmods.dev/badge/skills/blockmatic/basilic/ai-sdk-core-v7.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Agent Snooping · line 47 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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 | $0.00049 | $0.00732 |
| Opus 5 | $0.00024 | $0.00366 |
| Sonnet 5 | $0.00010 | $0.00146 |
| Haiku 4.5 | $0.00005 | $0.00073 |
Grade A, and why
ai-sdk-core-v7 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: ai-sdk-core
Scope
- Applies to: Backend AI with Vercel AI SDK v7 (
aipackage) - Does NOT cover: React chat UIs (see ai-sdk-ui)
Assumptions
- Folder major tracks the installed
aipackage inpackage.json, not a skill-file revision - Node.js 22+, ESM; Zod 4 for
inputSchema - Never write AI SDK from memory. Grep
node_modules/ai/docs/andnode_modules/ai/src/for the installed version. Else https://ai-sdk.dev/docs (append.md) or https://ai-sdk.dev/api/search-docs?q= - v6 leftovers: https://ai-sdk.dev/docs/migration-guides/migration-guide-7-0
Principles
generateText/streamTextfor request handlers and one-shot API routes;instructionsfor system-style prompt- Request-handler tool loops:
stopWhen: isStepCount(n)ongenerateText/streamText— notmaxSteps, notstepCountIs ToolLoopAgent+generate()/stream()for durable agents — not hand-rolled loops, notnew Agent()- UI streams:
createUIMessageStreamResponse+toUIMessageStream({ stream: result.stream })from'ai'. Use these for new handlers and for dedicated stream/SDK updates result.toUIMessageStreamResponse()still works in v7 (deprecated). Leave it only when the task is unrelated to streaming or the SDK- Tool results must be JSON-serializable (no
Date) - System prompt lives in
instructions. Clientmessagesmust not include{ role: 'system' }unless the server fully trusts the payload
Constraints
MUST
- Read bundled docs before writing calls
convertToModelMessageswhen the client sends UI messages- Reject untrusted
{ role: 'system' }inmessages. Do not setallowSystemInMessages: truefor client-supplied chat
AVOID
toDataStreamResponse/pipeDataStreamToResponsestepCountIs/maxSteps/result.fullStream/ top-levelsystem:(useisStepCount,result.stream,instructions)- Guessing model IDs
Interactions
- Complements ai-sdk-ui, fastify, next
- Upstream: vercel/ai use-ai-sdk
What ships with it
4 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.
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.
- 4d ago First seen · 58 lines · 49 tokens per session scan A 7e4b7bc2a7ae
ai-sdk-core-v7 is a skill published in the GitHub repository blockmatic/basilic (89 stars, last pushed yesterday), licensed MIT. It adds 49 tokens to every session and 732 once invoked, about $0.0002 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 2026-09-03.
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