Required headers
string
required
Bearer followed by your MCP API key.string
required
Must be
application/json.string
default:"2025-06-18"
MCP protocol version used by the client.
JSON-RPC request
string
required
Must be
2.0.string | number
required
Client-generated request ID.
string
required
MCP method such as
tools/list.object
Method parameters.
MCP methods
List tools
Call a tool
Error responses
JSON-RPC errors use the top-levelerror field.
isError: true inside result. Check both forms.