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App Idea Cards

June 2026

13artifacts

CheckoutClear
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CheckoutClear

A browser extension that intercepts subscription checkout pages and surfaces auto-renewal terms, pre-checked boxes, and early termination fees in a plain-English pop-up — before you click "Subscribe."

2026-06-23 browser-extension · dark-patterns · subscriptions
SkillSync
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SkillSync

A single-binary CLI that treats AI coding agent skills like packages — one canonical source, push to every platform, diff to catch drift before it bites you.

2026-06-18 ai-agents · claude-code · developer-tools
VibeGuard
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VibeGuard

A browser extension that detects vibe-coded apps at runtime, flags client-side credential leaks and platform-specific vulnerability patterns, and warns you before you hand over personal data.

2026-06-16 vibe-coding · consumer-security · browser-extension
ExtDrift
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ExtDrift

A CLI scanner that versions every installed browser extension's permission manifest, detects silent expansions after auto-updates and ownership transfers, and blocks the extension from running until…

2026-06-11 browser-extensions · supply-chain-security · permission-drift
TransferPulse
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TransferPulse

An OfferStack-native transfer-bonus advisor — surfaces every live transfer bonus on the market, applies your wallet's CPP math to each one, and tells you whether transferring right now is actually…

2026-06-10 offerstack · transfer-bonuses · points-valuation
BenchShift
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BenchShift

A CLI that runs your test prompts against two language models side-by-side and generates a semantic diff report — so you know exactly what changes for your users before you deploy the swap.

2026-06-08 ai-agents · devtools · model-migration
OtelGenLint
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OtelGenLint

A CLI linter and GitHub Action that validates every genai. attribute in your codebase against the OpenTelemetry GenAI semantic conventions, catching typos, stale names, and missing opt-in…

2026-06-07 opentelemetry · llm-observability · genai
CreditCadence
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CreditCadence

A use-it-or-lose-it statement-credit tracker for OfferStack — for every premium card in your wallet, CreditCadence maps each recurring credit to its real reset clock (monthly, quarterly, semi-annual…

2026-06-06 offerstack · statement-credits · coupon-book
LoanPivot
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LoanPivot

A side-by-side repayment plan comparison tool for the 7.5 million borrowers exiting the defunct SAVE plan — showing monthly payment, lifetime cost, and forgiveness timeline across every available IDR…

2026-06-06 student-loans · save-plan · idr
PurgeProof
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PurgeProof

A self-hosted proof-of-deletion engine for data brokers: it pulls the California DROP deletion list every 45 days, reconciles it against your records without ever copying raw PII, suppresses every…

2026-06-04 data-privacy · delete-act · drop
ToolCull
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ToolCull

A toolbelt auditor for AI agents — points at your MCP servers and agent skills, replays real session logs to see which tools actually fire, embedding-clusters the descriptions to expose silent…

2026-06-03 ai-agents · mcp · tool-overload
PromptFence
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PromptFence

A Manifest V3 extension that sits on your AI chat and agent tabs and acts as a client-side firewall — it shows every other extension that can read the conversation, and it intercepts page-origin…

2026-06-02 ai-security · browser-extension · prompt-injection
RuleMux
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RuleMux

A single-binary CLI that compiles one canonical AGENTS.md into every coding agent's native dialect — CLAUDE.md, .cursor/rules/.mdc, .github/copilot-instructions.md, GEMINI.md, .windsurfrules…

2026-06-01 devtools · ai-coding-agents · agents-md