Cross-server prompt injection
A second MCP server's output reaches the agent's context and steers it. Mitigation: source-tag every tool result, refuse cross-server instructions.
Live signal on this risk
5
Ideas classified into this risk
5 submitted ideas
3
#1 (top) risk for
60% of matches
4
Dominant verdict tier
ALREADY EXISTS, YOU'RE LATE
4.2
Mean difficulty
out of 10
9
Avg competitor surface per idea
tools + integrations Claude found
12
Soonest predicted kill
Google (months until obsolete)
Ideas that flagged MCP-2
5 totalDroidGatekeeper 9000
“How can I build a agent to do dev validation of when for a developer building android apps”
You want a robot QA engineer who actually reads your Gradle logs. Honestly? Same.
ACTUALLY NOT BAD#1 riskAgeFilter News 3000
“Newswise app which rewrites the news acc to the age and reading.level”
Congrats, you've reinvented Newsela, which schools have been paying for since 2012.
ALREADY EXISTS, YOU'RE LATE#1 riskQuizMaster9000
“Home tutor give images and it prepares question paper and chevks ot and preps quiz”
Bro, Google Forms and ChatGPT have been doing this since 2023. Your tutor just hasn't Googled yet.
ALREADY EXISTS, YOU'RE LATE#2 riskSlackClone 9000
“An agent that reads my Slack DMs and drafts replies in my voice”
You just described a product that exists, has existed, and will haunt your YC application reviewer's dreams.
ALREADY EXISTS, YOU'RE LATE#2 riskNewsWise Age-O-Matic 3000
“Newswise translates news acc to age or reading level”
Congratulations, you've reinvented Newsela, which raised $100M before you had the idea.
ALREADY EXISTS, YOU'RE LATE#1 risk
Mitigation pointer
A second MCP server's output reaches the agent's context and steers it. Mitigation: source-tag every tool result, refuse cross-server instructions.
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