build1 publisher
Swapping every leaf value for a marker string clears the schema on 42% of 265 MCP tools
A fault-injection scan of 31 popular MCP servers found only 3% of their 265 tools declare an output contract that would reject a well-typed but wrong response. The failing 97% split into two different problems.
Publishers:dev.to
Reality
- Evidence62
- Adoption18
- Hype gap+18
- Incentives72
- Confidence55