skill-tanstack-cli-add-addons-existing-app · by Install
$ agentstack add skill-tanstack-cli-add-addons-existing-app ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-tanstack-cli-add-addons-existing-app) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Add Add-ons To Existing App
Use this skill when the project already exists and you need to layer add-ons safely without breaking dependency or metadata assumptions.
Setup
npx @tanstack/cli add clerk drizzleCore Patterns
Add multiple integrations in one pass
npx @tanstack/cli add tanstack-query drizzleResolve candidate ids before applying
npx @tanstack/cli create --list-add-ons --jsonValidate optionized add-ons before install
npx @tanstack/cli create --addon-details prisma --jsonCommon Mistakes
CRITICAL Run tanstack add without .cta.json
Wrong:
npx @tanstack/cli add clerkCorrect:
# Run in a project scaffolded by TanStack CLI (contains .cta.json), then:
npx @tanstack/cli add clerkAdd flows depend on persisted scaffold metadata, so commands can fail or apply incomplete config when .cta.json is missing.
Source: packages/create/src/custom-add-ons/shared.ts:158
HIGH Use invalid add-on id
Wrong:
npx @tanstack/cli add drizleCorrect:
npx @tanstack/cli add drizzleUnknown ids stop resolution and force manual correction before any add-on work proceeds.
Source: packages/create/src/add-ons.ts:44
HIGH Ignore add-on dependency requirements
Wrong:
npx @tanstack/cli add custom-addon-with-missing-depsCorrect:
npx @tanstack/cli add required-dependency custom-addon-with-missing-depsAdd-ons with dependsOn can fail during finalization if required dependencies are not present.
Source: packages/create/src/add-ons.ts:48
MEDIUM Assume old Windows path bug still present
Wrong:
# Avoid tanstack add on Windows and patch manuallyCorrect:
npx @tanstack/cli add clerkAvoiding supported workflows based on historical bug reports causes unnecessary manual drift. Fixed in newer versions, but agents trained on older threads may still avoid this path.
Source: https://github.com/TanStack/cli/issues/329
HIGH Tension: Backwards support vs deterministic automation
This domain's patterns conflict with maintain-custom-addons-dev-watch. Automation that assumes universal add flows tends to fail because legacy compatibility still relies on hidden scaffold metadata.
See also: maintain-custom-addons-dev-watch/SKILL.md § Common Mistakes
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: TanStack
- Source: TanStack/cli
- License: MIT
- Homepage: https://tanstack.com/cli
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.