Claude Code project ideas

1. 1Write one SKILL.md per style with type, spacing, color and component rules.
2. 2Add reference screenshots so the agent can match the look, not just the rules.
3. 3Give one style away and sell the rest as packs.

The Reddit threads

• ▲1.1kI built a list of 48 design skill files with custom styles for you to choose from for Clauder/ClaudeAI · 163 comments
• ▲875I condensed 8 years of product design experience into a Claude skill, the results are impressiver/ClaudeAI · 96 comments

1. 1Ship subagent files that list only the tools each job needs and cannot start other subagents.
2. 2Use a SubagentStop hook to flag results that tell the main session to delete or run something.
3. 3Sell shared policies so a team's subagents follow the same limits.

The Reddit threads

• ▲1.8kClaude subagent got bored and prompt injected my main session into deleting my databaser/ClaudeAI · 223 comments
• ▲41Be careful running Claude Code subagentsr/ClaudeAI · 33 comments

1. 1Crawl the live app and test Firebase and Supabase rules for public reads and writes.
2. 2Scan the client bundle for API keys that should never ship.
3. 3Return fixes written as prompts the founder can paste into their agent.

The Reddit threads

• ▲1.2kIf you're about to launch a "vibe coded" app… read this firstr/vibecoding · 187 comments
• ▲210if your vibe-coded app has users.. read this!r/vibecoding · 122 comments
• ▲205Quittr is the vibe coding success story of 2025: $1M revenue, built in 10 days, Oprah mention. And its Firebase databaser/vibecoding · 69 comments
• ▲171Im a security engineer, I'll try to hack your vibe-coded app for free (10 picks)r/vibecoding · 136 comments

1. 1On SessionEnd, total the session's tokens and cost per model from its log.
2. 2Add files changed from git and time spent from timestamps.
3. 3Sell a history that exports receipts per client for invoices.

The Reddit threads

• ▲1.8kI'm printing paper receipts after every Claude Code session, and you can toor/ClaudeCode · 161 comments

1. 1Crawl GitHub for SKILL.md and marketplace.json files.
2. 2Show install commands, stars, last update and which tools each one can run.
3. 3Charge authors for featured spots and teams for private catalogs.

The Reddit threads

• ▲1.3kI built a Claude skill that writes accurate prompts for any AI tool. To stop burning credits on bad prompts. We just hit 600 stars on GitHub‼️r/ClaudeAI · 146 comments
• ▲235I removed 63% of my Claude Code setup and it got 10x faster. Stop installing everythingr/ClaudeCode · 111 comments
• ▲81What is the most underrated FREE mcp server you know of?r/mcp · 113 comments

1. 1Parse every Bash call and match it against destructive patterns, not plain strings.
2. 2Block with exit code 2 and tell the agent the safe alternative.
3. 3Sell shared rule sets for databases, cloud CLIs and disk tools.

The Reddit threads

• ▲627Claude Code deleted my entire 202GB archive after I explicitly said "do not remove any data"r/ClaudeCode · 246 comments
• ▲970Claude-powered AI coding agent deletes entire company database in 9 seconds — backups zapped, after Cursor tool powered by Anthropic's Claude goes roguer/ClaudeAI · 193 comments
• ▲2I built a one-file hook that bounces the destructive commands an agent runs in --dangerously-skip-permissions mode (45/45 footguns, 0 false positives)r/ClaudeCode · 5 comments

1. 1Turn a production checklist into a SKILL.md with one section per risk.
2. 2Bundle scripts that catch public database rules and committed secrets.
3. 3Sell it as a one-time download with free updates.

The Reddit threads

• ▲1.2kIf you're about to launch a "vibe coded" app… read this firstr/vibecoding · 187 comments
• ▲210if your vibe-coded app has users.. read this!r/vibecoding · 122 comments
• ▲40Vibe coders (especially if you're not very technical): where do you deploy your apps and how has it gone?r/vibecoding · 65 comments

1. 1Pull usage from each vendor's admin API every day.
2. 2Map accounts to people and repos, then chart spend per week.
3. 3Alert in Slack when someone spends 3x their normal day.

The Reddit threads

• ▲1.3kI accidentally burned ~$6,000 of Claude usage overnight with one command.r/ClaudeAI · 341 comments
• ▲21Has anyone figured out how to track per-developer Cursor Enterprise costs? One of ours burned $1,500 in a single day!r/ChatGPTCoding · 80 comments

1. 1On every PreToolUse event, sum the session's token use from its log.
2. 2Exit with code 2 and a clear message once the session passes its budget.
3. 3Sell shared budgets and Slack alerts to teams.

The Reddit threads

• ▲1.3kI accidentally burned ~$6,000 of Claude usage overnight with one command.r/ClaudeAI · 341 comments
• ▲3Gave my Claude Code agents a budget it can check before burning through my usager/mcp · 5 comments

1. 1Split the docs into small reference files by topic, indexed in SKILL.md.
2. 2Tell the agent to read the index before it writes calls to that library.
3. 3Charge for packs that update when a new version ships.

The Reddit threads

• ▲516I built a Claude skill that turns any technical book PDF into a skill you can query while workingr/claudeskills · 62 comments
• ▲304I stopped letting Claude Code guess how my app works. Now it reads the manual first. The difference is night and day.r/ClaudeCode · 98 comments
• ▲300I built a Claude Code Skill that lets Claude chat directly with Google's NotebookLM for zero-hallucination answers from your own documentation.r/ClaudeAI · 48 comments
• ▲4Your AI coding agent isn't hallucinating. It's out of date.r/mcp · 9 comments

1. 1Sell a fixed-scope audit: architecture map, test coverage and top 10 risks.
2. 2Have subagents write tests before any refactor starts.
3. 3Upsell a monthly maintenance plan.

The Reddit threads

• ▲831The real cost of vibe coding isn't the subscription. It's what happens at month 3.r/vibecoding · 286 comments
• ▲194Anyone else feels like vibe coding hits a wall after a point ?r/vibecoding · 178 comments
• ▲84Whats happening to all the vibe coded apps out there ?r/vibecoding · 152 comments

1. 1Use a Claude Code Notification hook to push when a session waits for input.
2. 2Send the answer back through a small relay the session polls.
3. 3Add Codex through its notify setting.

The Reddit threads

• ▲629Claude Code just got Remote Controlr/ClaudeCode · 287 comments
• ▲276If someone at OpenAI is reading this, we need mobile remote control for Codex ASAP. S tier featurer/OpenAI · 51 comments
• ▲112Easy Steps to Activate Codex Remote Control on Windowsr/codex · 67 comments
• ▲39Claude Code needs real remote control from mobiler/ClaudeCode · 92 comments

1. 1Split the repo into functions and classes with tree-sitter and embed them locally.
2. 2Expose a search tool that returns ranked snippets with file paths.
3. 3Sell a shared index that stays current for teams.

The Reddit threads

• ▲907[Open Source] I reduced Claude Code input tokens by 97% using local semantic search (Benchmark vs Grep)r/ClaudeAI · 137 comments
• ▲139[Open Source] We built a local code search MCP for Claude Code that uses ~98% fewer tokens than grep+readr/ClaudeAI · 54 comments

1. 1Define a subagent that may only touch test files.
2. 2Have it reproduce the bug as a failing test and hand back the test name.
3. 3Use a Stop hook to confirm the test passes before the task closes.

The Reddit threads

• ▲194Anyone else feels like vibe coding hits a wall after a point ?r/vibecoding · 178 comments
• ▲831The real cost of vibe coding isn't the subscription. It's what happens at month 3.r/vibecoding · 286 comments

1. 1Parse each instructions file and count tokens per section.
2. 2Flag rules that contradict each other or point at files that no longer exist.
3. 3Sell a GitHub Action that comments when a pull request bloats the file.

The Reddit threads

• ▲719CLAUDE.md is a super power.r/ClaudeAI · 123 comments
• ▲203Codex Pro usage feels excellent once you tune your AGENTS.mdr/codex · 58 comments
• ▲46I spent way too long figuring out Cursor rules. Here's what actually worked for mer/cursor · 36 comments

1. 1Host a private marketplace repo with the team's approved plugins.
2. 2Add a web UI to approve versions and see who has what installed.
3. 3Require plugins through managed settings.

The Reddit threads

• ▲5I ran tools/list against every remote server in the official MCP registry. 54% answer, 29% of those are two operators, and 47 hosts tell the model what not to tell the user.r/mcp · 21 comments
• ▲235I removed 63% of my Claude Code setup and it got 10x faster. Stop installing everythingr/ClaudeCode · 111 comments
• ▲719CLAUDE.md is a super power.r/ClaudeAI · 123 comments

1. 1Expose remember, recall and forget tools over MCP.
2. 2Store decisions and architecture notes per repo, not whole transcripts.
3. 3Make hosted sync across machines the paid tier.

The Reddit threads

• ▲741I used Obsidian as a persistent brain for Claude Code and built a full open source tool over a weekendr/ClaudeAI · 342 comments
• ▲76Combined Karpathy's LLM Wiki with Milla Jovovich's MemPalace MCP. Claude Code now remembers everything across sessionsr/ClaudeAI · 70 comments
• ▲39My agent's memory is an MCP server over a git repo of markdown. Same memory in Claude Code, Cursor, and anything that speaks MCPr/mcp · 32 comments
• ▲8How to give memory and context to your Codex Clir/codex · 3 comments
• ▲2Made an MCP server that remembers context across Cursor sessionsr/cursor · 10 comments

1. 1Expose a delegate tool that sends a task and the files it needs to a chosen model.
2. 2Return the answer with its cost and time.
3. 3Track which model wins each kind of task and suggest routes.

The Reddit threads

• ▲194I built an MCP server so Claude Code can delegate work to GPT-5.6, DeepSeek, GLM and a local Qwen — then benchmarked all of them against Claude itself (198 runs, hidden tests)r/ClaudeAI · 100 comments
• ▲381Wait, Codex can now invoke Claude Code sessions?r/ClaudeCode · 160 comments
• ▲285Why Using Astra Inside Claude Code Is the New Meta (& How To Do It)r/ClaudeAI · 66 comments

1. 1Give the subagent read and search tools only.
2. 2Cache a repo map so repeat searches are cheap.
3. 3Return a short list of files and why each matters.

The Reddit threads

• ▲842I saved 10M tokens (89%) on my Claude Code sessions with a CLI proxyr/ClaudeAI · 188 comments
• ▲8How to give memory and context to your Codex Clir/codex · 3 comments

1. 1Collect 10 to 20 samples of the user's own writing into a reference file.
2. 2List the words and punctuation readers flag as AI and check each draft against them.
3. 3Sell shared voice profiles to small teams.

The Reddit threads

• ▲424unslop-text: a Claude skill that flags and removes the patterns that make writing read as AI-generated.r/ClaudeAI · 90 comments
• ▲133I read the UMD study on why AI text is detectable and built a Claude skill around its main finding: cleaning up vocabulary fixes almost nothingr/ClaudeAI · 102 comments
• ▲49Has anyone figured out how to make Claude write like a human?r/claudeskills · 76 comments

1. 1Define a read-only subagent prompted to find bugs, not to praise.
2. 2Hand it the staged diff plus the original task.
3. 3Block the commit until each finding is fixed or waived.

The Reddit threads

• ▲264You're shipping bugs if you're not using adversarial reviews with claude coder/ClaudeCode · 123 comments
• ▲325When you ask Claude to review vs when you ask Codex to reviewr/ClaudeCode · 111 comments

1. 1Point the subagent at the last 30 days of local session logs.
2. 2Rank waste by pattern: files read twice, failed commands, oversized tool output.
3. 3Suggest a CLAUDE.md or settings change for each pattern.

The Reddit threads

• ▲556anthropic isn't the only reason you're hitting claude code limits. i did audit of 926 sessions and found a lot of the waste was on my side.r/ClaudeCode · 138 comments

1. 1Add a /queue command that stores each task with a clear done condition.
2. 2Run tasks one at a time in fresh worktrees and keep only those whose tests pass.
3. 3Write a morning report listing branches to merge and tasks that failed.

The Reddit threads

• ▲319How do you get Claude to code overnight?r/ClaudeCode · 179 comments
• ▲217Claude Code session has been running for 17+ hours on its ownr/ClaudeCode · 184 comments

1. 1Save deferred tasks and unanswered questions when a session ends.
2. 2Show the one to three stalest items when the next session starts.
3. 3Charge for sync across machines and projects.

The Reddit threads

• ▲398I built a Claude Code plugin for my ADHD brain — it remembers the things I forget mid-conversationr/claudeskills · 49 comments
• ▲113I built a Claude Code plugin for my ADHD brain — it remembers the things I forget mid-conversationr/ClaudeAI · 64 comments

1. 1Strip navigation, ads and boilerplate and return Markdown.
2. 2Offer an outline mode that lists headings and links first.
3. 3Host a version that renders JavaScript-heavy pages.

The Reddit threads

• ▲384PullMD - gave Claude Code an MCP server so it stops burning tokens parsing HTMLr/ClaudeAI · 61 comments
• ▲112Charlotte: a browser MCP server built for token efficiency (30 tools, 3 detail levels, 136x smaller than Playwright MCP on complex pages)r/mcp · 37 comments

1. 1Pick one trade and list the spreadsheets it runs on.
2. 2Rebuild the most painful one as a small app in a week.
3. 3Charge setup plus a monthly fee for hosting and changes.

The Reddit threads

• ▲479I'm a vibecoder turned AI consultant for small businesses. I make more than most of you.r/AskVibecoders · 173 comments
• ▲9"Vibe coding" will change how small businesses build internal tools completely.r/vibecoding · 41 comments
• ▲7Built 6 internal business tools using Google Apps Script + Claude AI with no coding background. 6 employees, ~$3M/year, feels like my team doubled without hiring anyone.r/vibecoding · 20 comments

1. 1Proxy several downstream MCP servers behind one endpoint.
2. 2Expose a search_tools tool and load full tool schemas only on demand.
3. 3Charge for hosted routing and shared team server lists.

The Reddit threads

• ▲147How to connect 100 MCP servers without the context window explodingr/mcp · 39 comments
• ▲235I removed 63% of my Claude Code setup and it got 10x faster. Stop installing everythingr/ClaudeCode · 111 comments

1. 1List enabled MCP servers, skills and plugins from the settings files.
2. 2Estimate each one's token cost and check which were used this week.
3. 3Offer one-command profiles: minimal, frontend, backend.

The Reddit threads

• ▲235I removed 63% of my Claude Code setup and it got 10x faster. Stop installing everythingr/ClaudeCode · 111 comments
• ▲147How to connect 100 MCP servers without the context window explodingr/mcp · 39 comments

1. 1Pick one app with a scripting or plugin layer and wrap its main actions as tools.
2. 2Return renders or screenshots so the agent can check its own work.
3. 3Sell to that app's user community first.

The Reddit threads

• ▲227Unreal engine 5.8 MCP connected to claude coder/aigamedev · 63 comments
• ▲91We built an MCP server for CADr/mcp · 17 comments
• ▲50PilotCut: I got mass-frustrated with CapCut, and FinalCut Pro. Built my own Mac video editor that lets any AI agent do the cutting. Basically a tool for ChatGPT Codex / Claude Code for your video editingr/macapps · 60 comments

1. 1Add a /second-opinion command that runs the diff through Codex in read-only mode.
2. 2Merge both reviews into one list marked agree or disagree.
3. 3Post the merged review as a pull request comment.

The Reddit threads

• ▲325When you ask Claude to review vs when you ask Codex to reviewr/ClaudeCode · 111 comments
• ▲42How do you handle code reviews when 1 dev uses AI to build a massive feature but needs peer feedbackr/ChatGPTCoding · 47 comments

1. 1Match Read, Grep and Bash calls against secret file patterns.
2. 2Block with exit code 2 and log every attempt.
3. 3Sell central policies and audit exports to teams.

The Reddit threads

• ▲322[Security] Claude Code reads .env files by default - This needs immediate attention from the team and awareness from devsr/ClaudeAI · 298 comments

1. 1Tag lines changed during agent sessions using git history.
2. 2Score each hunk by complexity, test coverage and security-sensitive paths.
3. 3Show a gutter heatmap and a "review these first" list.

The Reddit threads

• ▲264You're shipping bugs if you're not using adversarial reviews with claude coder/ClaudeCode · 123 comments
• ▲42How do you handle code reviews when 1 dev uses AI to build a massive feature but needs peer feedbackr/ChatGPTCoding · 47 comments

1. 1Have the skill write a click-by-click script from the app's routes.
2. 2Record it with Playwright and generate the narration.
3. 3Stitch it with ffmpeg and export sizes for X and Product Hunt.

The Reddit threads

• ▲283holy shit... i just automated something i thought was impossible with ai : product tutorial videosr/ClaudeAI · 131 comments

1. 1After each edit and commit, scan new names, comments and messages for phrases like "without X".
2. 2Block and ask the agent to rename when one turns up.
3. 3Publish it in a plugin marketplace to grow a following.

The Reddit threads

• ▲267Claude keeps naming things after the mistakes I told it not to make. So I built a hook for it.r/ClaudeAI · 47 comments

1. 1Create one worktree and branch per task with a single command.
2. 2Show each agent's state: working, waiting for approval, or done.
3. 3Merge or throw away a worktree from the dashboard when the task ends.

The Reddit threads

• ▲220Stop running multiple Claude Code agents in the same repo. Use worktrees in your VSCoder/ClaudeAI · 62 comments
• ▲33How do you actually manage multiple parallel Claude Code sessions without losing your mind?r/ClaudeCode · 113 comments
• ▲5How are you actually running Codex at scale? Worktrees are theoretically perfect and practically painful. What's your setup?r/codex · 20 comments

1. 1Write one skill per recurring job, starting with support replies and weekly metrics.
2. 2Give each skill the templates and data exports it needs to run without questions.
3. 3Sell the set and add a new skill each month.

The Reddit threads

• ▲220My iOS app is 4 months old and does $944 MRR. Every "department" is a Claude Code skill. Full stack with the actual workflows and costsr/AppBusiness · 73 comments
• ▲29What claude skills are worth using for shopify?r/AutomateShopify · 18 comments

1. 1On UserPromptSubmit, flag short prompts that name no files.
2. 2On the first Edit or Write call, block once and ask Claude for its assumptions.
3. 3Ship it in a plugin marketplace to grow a following.

The Reddit threads

• ▲152Hot take: Claude code should ask more questions before touching your code.r/ClaudeAI · 122 comments

1. 1Write a SKILL.md that triggers on "wrap up" and "pick up where we left off".
2. 2Save decisions, open tasks and file pointers to HANDOFF.md.
3. 3Pair it with a SessionStart hook that loads the note automatically.

The Reddit threads

• ▲95I built a persistent AI assistant with Claude Code + Obsidian + QMD, and it's starting to feel like a real long-term "second brain"r/ClaudeCode · 81 comments
• ▲32What tools are you using to give your LLM a persistent second brain / long-term memory?r/LocalLLaMA · 106 comments
• ▲8How to give memory and context to your Codex Clir/codex · 3 comments

1. 1Detect the framework and database from the repo.
2. 2Provision hosting and a database through provider APIs, then set secrets.
3. 3Expose it as an MCP server so the agent can deploy for the user.

The Reddit threads

• ▲40Vibe coders (especially if you're not very technical): where do you deploy your apps and how has it gone?r/vibecoding · 65 comments
• ▲4I vibe-coded an internal tool at work. How do I go from "cool prototype" to "something people can actually depend on"?r/vibecoding · 13 comments
• ▲84Whats happening to all the vibe coded apps out there ?r/vibecoding · 152 comments

1. 1Read ~/.claude.json, ~/.codex/config.toml and ~/.cursor/mcp.json into one list.
2. 2Edit once and write each tool's own format back.
3. 3Sell encrypted sync of that list across machines.

The Reddit threads

• ▲2I kept losing track of which MCP servers I had installed across my editors — built a local CLI to list them allr/mcp · 6 comments
• ▲81What is the most underrated FREE mcp server you know of?r/mcp · 113 comments

1. 1Connect with a database role that cannot write, and reject anything but SELECT.
2. 2Cap returned rows and mask columns like emails and tokens.
3. 3Log every query so the team can see what the agent looked at.

The Reddit threads

• ▲42An AI Agent Just Destroyed Our Production Data. It Confessed in Writing.r/ExperiencedFounders · 96 comments
• ▲19Production-ready Self-hosted Supabase distribution: SSO, PITR backups, monitoring, and a read-only MCP so your coding agent can build on it without touching a secretr/Supabase · 15 comments

1. 1Read .cursor/rules and turn each rule into an AGENTS.md section.
2. 2Copy MCP servers into the Codex and Claude Code config formats.
3. 3Print what could not be converted.

The Reddit threads

• ▲19Moving from Cursor to VS Code + Codex/Claude Code: Is it worth the switch?r/cursor · 48 comments
• ▲7Thinking of switching from Codex $20 to Cursor how are the limits and code quality?r/cursor · 40 comments
• ▲7I'm really thinking about switching to Codex from Cursor, how are the limits?r/codex · 16 comments

1. 1Pull the official MCP registry and collapse duplicate versions.
2. 2Call tools/list on every remote server and flag descriptions that instruct the model.
3. 3Publish grades free and sell a CI check that fails on low scores.

The Reddit threads

• ▲9I audited every server in the MCP registry to see how many actually work. Then I found 5 bugs in my own audit.r/mcp · 10 comments
• ▲6I checked if the source behind every server in the MCP registry is still up. 1 in 7 is gone.r/mcp · 14 comments
• ▲5I ran tools/list against every remote server in the official MCP registry. 54% answer, 29% of those are two operators, and 47 hosts tell the model what not to tell the user.r/mcp · 21 comments
• ▲2I deduplicated the entire official MCP registry. 101,219 entries are 31,309 servers, and 23% of those have no source repo.r/mcp · 0 comments