{ "id": "exa", "providerAuthEnvVars": { "exa": ["EXA_API_KEY"] }, "uiHints": { "webSearch.apiKey": { "label": "Exa API Key", "help": "Exa Search API key (fallback: EXA_API_KEY env var).", "sensitive": true, "placeholder": "exa-..." } }, "configSchema": { "type": "object", "additionalProperties": false, "properties": { "webSearch": { "type": "object", "additionalProperties": false, "properties": { "apiKey": { "type": ["string", "object"] } } } } } }