PAIN TRIGGERS
No easy way to get comprehensive lists of accounts to block
SaaS· X platform usersPain 7.00/10WTP 6.0/10Market 7.0/10Validation 8.0Confidence 82%May 21, 2026
BlockShare: Community-Curated Block Lists for X
X lacks native support for shared, importable block lists, forcing users to manually request and compile problematic account lists via public comments and DMs.
automationbrowser-extensioncommunitycontent-curationproductivitysaassocial-mediax-twitter
1
STAGE 01 · PROBLEM
Is the problem real?
CANONICAL PROBLEM
Users encounter unwanted "solo and hater" accounts on the platform and want an easy way to identify, track, and remove them from their experience.
FREQUENCY
Limited repetition signal.
INTENSITY
Users explicitly describe existing tools as bloated/overkill and mention workaround behavior.
EVIDENCE
When you get that list, please send it to me.
commentWhen you get that list, please send it to me.
can you share it with me?
commentcan you share it with me?
i’m shy but can you also send it me i don’t want to follow any toxic solo and antis
commenti’m shy but can you also send it me i don’t want to follow any toxic solo and antis 🥺
2
STAGE 02 · CUSTOMER
Who feels this pain?
TARGET USERS
X platform usersActive X Feed Curators
Engaged daily X users frustrated by 'solo and hater' accounts who want to quickly identify and mass-block them to maintain a cleaner, preferred experience.
Context
Obtain shared lists of problematic accounts to block or avoid them efficiently.
Publicly requesting and offering to share curated lists of accounts to block via comments
Current Workarounds
Publicly requesting block lists in post replies and comments
Manually searching and blocking accounts one by one
DMing strangers for private list shares
Avoiding entire threads to dodge exposure
3
STAGE 03 · MARKET
Where's the gap?
EXISTING SOLUTION GAPS
Platform lacks built-in shared block lists or easy mass-blocking from community recommendations
Users must manually request and share lists via replies
OPPORTUNITY & VALUE
Why Now
Multiple users in one thread repeatedly asking to be sent the list, highlighting strong desire for easy sharing mechanism.
Value Proposition
Purpose-built for rapid crowdsourced toxic account lists with seamless X import, unlike manual sharing or heavy moderation tools.
Product Direction
A browser extension and web dashboard where users upload, discover, subscribe to, and one-click apply community block lists of 'solo and hater' accounts directly to their X experience.
4
STAGE 04 · BUSINESS
How does it make money?
MONETIZATION
$5/moPremium lists and unlimited imports
Model
Freemium SaaS
WILLINGNESS TO PAY
Users actively beg for lists in public threads and offer to receive them privately, showing high frustration with manual workarounds; many would pay a low monthly fee to avoid repeated exposure and curation effort.
5
STAGE 05 · EXECUTION
How do you ship it?
MVP PLAN
“One-click community block lists to clean your X feed instantly.”
A browser extension and web dashboard where users upload, discover, subscribe to, and one-click apply community block lists of 'solo and hater' accounts directly to their X experience.
Core Features
Upload and share public block lists with tags
Browse and subscribe to curated lists
One-click mass block import to X via extension
Basic moderation/voting on list quality
Weekly Roadmap
1
W1-W2
Core list upload and storage backend ready.
- •Build user auth and list upload form
- •Store lists with account usernames and tags
- •Simple web dashboard for browsing lists
2
W3-W4
Browser extension handles one-click import.
- •Develop Chrome extension skeleton
- •Implement X block API calls for mass import
- •Add subscribe and sync functionality
3
W5
Polish, basic voting, and internal dogfooding complete.
- •Add upvote/downvote on lists
- •UI polish and error handling
- •Test with 10 seed users from original threads
4
W6
Public launch and first premium conversions.
- •Stripe integration for premium tier
- •Seed initial lists from public requests
- •Post launch thread on X and track signups
Launch Strategy
Launch on X with targeted posts in relevant threads, promote in r/Twitter and similar communities, leverage initial list contributors as seed users.
RISKS & ASSUMPTIONS
Top Risks
X API / extension restrictions
Mass blocking via extension may violate X terms or face technical blocks, limiting core functionality.
List toxicity and moderation
Community lists risk abuse, false reporting, or backlash if perceived as political targeting.
Low contribution volume
Without enough quality lists at launch, users won't see immediate value and churn.
User acquisition on X
Promotion of block tool may be throttled or shadowbanned by the platform itself.
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STAGE 06 · DECISION
Should you build it?
NEED A CLEARER CALL?
Run an Investment Memo to get a structured Go / No-Go verdict, competitor landscape, unit economics, and a 90-day validation roadmap for this opportunity.
Generate an investment memoWhat this score means
This idea scores in the upper-middle range of opportunities surfaced by MonetScope, with a validation sub-score of 8/10 against 4 independently sourced evidence signals. A "promising" rating usually indicates a real pain has been detected and discussed in the open, but the pipeline did not find enough signal to flag it as urgent or high-frequency. These opportunities can still produce excellent businesses — they often correspond to "boring" problems that established players have ignored — but the founder should expect a longer customer-development cycle to confirm willingness to pay.
Why this matters for SaaS founders
It sits at the intersection of "automation", "browser-extension", "community", which makes it relevant to a specific subset of founders rather than a generic horizontal opportunity. SaaS opportunities at this stage tend to win on the strength of their initial wedge — a single workflow that the target user runs every week, where the existing solution is either spreadsheets, a clunky incumbent feature, or a manual process they hate. The build cost is moderate; the distribution cost is everything. The MonetScope pipeline surfaces this category alongside other saas signals, which is why it appears here rather than in a generic "trending ideas" feed.
Scores are derived from real forum discussions across Reddit, Hacker News and X, weighted by evidence volume and signal quality. How scoring works
Frequently asked questions
Is "BlockShare: Community-Curated Block Lists for X" a real validated startup idea or just an AI-generated suggestion?
MonetScope does not generate ideas from a language model's imagination. Every opportunity on this site is anchored to specific source posts and comments from real public discussions — typically on Reddit, Hacker News, or X — where actual users describe the pain in their own words. The AI's role is structuring, scoring, and grouping those signals into a navigable opportunity, not inventing the problem.
How recent is the underlying data for automation?
MonetScope's spider pipeline runs continuously and surfaces opportunities as new evidence accumulates. The "Updated" date in the header reflects the most recent re-scoring of this specific opportunity. Most saas opportunities visible in the public catalog draw from discussions in the last 30-60 days; older signals are de-prioritized because user pain shifts faster than most founders assume.
What's the difference between "overall score" and "validation score"?
Overall score is a composite across six dimensions — pain, urgency, willingness to pay, market size, defensibility, and execution ease — designed to give a single number for triage. Validation score is narrower: it asks "how cleanly does the same signal repeat across independent sources?" An opportunity can score high on overall but lower on validation when one or two large discussions dominate the evidence; conversely, validation can be high on a smaller-overall idea where the signal is consistent but the addressable market is modest.