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Directory / WhatAreYouBuilding.AI
WhatAreYouBuilding.AI
by whatareyoubuilding.ai · https://whatareyoubuilding.ai/api/mcp
Search indie products and their builders by category, country and funding stage. No key to read.
12 of 12 checks · 2 Nov 2026
Is WhatAreYouBuilding.AI MCP server safe?
- None of the hidden-instruction wordings we know were found in its tool descriptions.
- Its error messages showed no secrets or internal details.
- 8 of its 9 tools are labeled read-only; the others may change or send things.
- Overall it scored 86/100 on 2 Nov 2026.
A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.
What it can do
9 tools, in the server's own words.
search_productsread-onlySearch the directory of builder products.
get_productread-onlyRetrieve one product by its directory id, with full builder attribution, links, funding state and engagement stats.
search_communitiesread-onlySearch builder communities — the Slack workspaces, WhatsApp groups and meetups that independent builders actually gather in — by free text, region, topic and p…
get_communityread-onlyRetrieve one community by its directory id, including its join link, platform, region, topic and member count where one was given.
get_leaderboardread-onlyRank products by engagement on the directory — upvotes, outbound clicks, impressions, shares or verified backlinks — optionally narrowed to one region or categ…
list_filtersread-onlyList every region, category, funding stage and platform that currently has listings, with counts.
submit_productAdd a product to the directory on behalf of the builder whose agent token this call carries.
searchread-onlySearch across both products and communities at once, returning lightweight results — id, title, url — for retrieval with fetch.
fetchread-onlyFetch the full text of one directory record by an id returned from search.
Test results
Safe mode: only tools labeled read-only were run. How the test works
- !Ready for the newest MCP versionnote
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
- !Tools work with good inputsnote
1 warning
- !search_products: Answered with about 154 KB of text. Many AI apps cut off tool answers this big, so the AI may never see the end of it.
- –submit_product: Not run: labeled as changing data
- and 7 more
- !Bad inputs give a clean errornote
5 warnings
- !search_products: Accepted wrong type for "query" without complaining
- !search_communities: Accepted wrong type for "query" without complaining
- !get_leaderboard: Accepted wrong type for "metric" without complaining
- !search: Accepted missing required input "query" without complaining
- !search: Accepted wrong type for "query" without complaining
- and 6 more
- !Follows MCP best practices (not scored yet)note
1 tip (not scored)
- !Very common tool names: search, fetch. Next to other servers' tools the AI may mix them up; a short prefix helps (like "github_search" instead of "search").
- ✓ConnectsConnected in 706 mspass
- ✓Lists its toolsFound 9 toolspass
- ✓Every tool is describedAll 9 tools and their inputs are describedpass
- ✓Tools are labeled safe or dangerousEvery tool has a safety labelpass
- ✓No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.pass
- ✓Tools work togetherpass
3 chains working
- ✓search_products → fetch: fetch found what search_products returned (id = "HwZJirxMa2oni02axSEq")
- ✓get_leaderboard → fetch: fetch found what get_leaderboard returned (id = "lxMbZVqufm67gekt5RdX")
- ✓search → fetch: fetch found what search returned (id = "product:qemMY3Jx5s61cdSxed2r")
- ✓Stopped looking for more chains after the limit on tool calls
- ✓Fast enoughpass
All good
- ✓Connecting took 706 ms
- ✓Listing tools took 220 ms
- ✓Average tool answer: 382 ms
- ✓search_products: Slowest tool: search_products (1.3 s)
- ✓No secrets leakedChecked 30 error messages: no secrets or internal detailspass
Test it yourself
Free and open source. Same checks, same score.
npx qamcp-cli https://whatareyoubuilding.ai/api/mcpShow this score on GitHub
Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.
[](https://qamcp.dev/s/ai-whatareyoubuilding-wayb.html)Score over time
- 2 Nov 202686
One test so far. New tests will show here.
Reviews
Coming soon: reviews from people who use WhatAreYouBuilding.AI, signed in with GitHub, one per person. Reviews never change the score.
QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.
Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works