product · inferred from evidence
MCP spec
The Model Context Protocol specification, a set of rules or standards for tool schemas.
- Perplexity MCP 0.13/0.14 schema validation error: oneOf not supported - use 0.2.3
After updating to @perplexity-ai/mcp-server 0.14.0, Claude Code fails at startup with: tools.70.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. Version 0.2.2 worked fine. Downgrading is not really