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codex/codex-rs/app-server-protocol/schema/json/v1/InitializeParams.json
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alexsong-oai 064e701b0f Add explicit gateway OAuth sign-in to app-server (#47207)
## Why

Clients with a gateway sign-in UI need to control when browser authorization starts and inspect credential readiness before making authenticated requests.

## What changed

- Add `initialize.capabilities.explicitGatewayOauth` to require explicit login while allowing existing credentials to refresh. Preserve automatic authorization for clients that omit the capability, and prevent later connections from undoing explicit opt-in.
- Add `account/gatewayOAuth/read`, `account/gatewayOAuth/login`, and `account/gatewayOAuth/cancel`, plus `account/gatewayOAuth/changed` notifications. Send the authorization URL only to the initiating connection and cancel its login on disconnect.
- Check gateway authentication before returning cached results from `model/list`, with restart guidance when provider settings have changed.
- Update protocol schemas, TypeScript and Python bindings, and document capability probing and the sign-in lifecycle.

## Testing

Add tests for passive readiness reads, credential reuse after login, token exchange failures, cancellation and immediate retry, connection ownership, legacy versus explicit login, and model-list authentication checks.

GitOrigin-RevId: a26e116a62c9f3db84dc238a40b7f4e816eb1594
2026-09-22 06:36:09 +00:00

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{
"$schema": "http://json-schema.org/draft-07/schema#",
"definitions": {
"ClientInfo": {
"properties": {
"name": {
"type": "string"
},
"title": {
"type": [
"string",
"null"
]
},
"version": {
"type": "string"
}
},
"required": [
"name",
"version"
],
"type": "object"
},
"InitializeCapabilities": {
"description": "Client-declared capabilities negotiated during initialize.",
"properties": {
"experimentalApi": {
"default": false,
"description": "Opt into receiving experimental API methods and fields.",
"type": "boolean"
},
"explicitGatewayOauth": {
"description": "Use explicit gateway OAuth login instead of automatic browser authorization. Applies to this app-server's gateway runtime; later connections cannot undo it.",
"type": "boolean"
},
"extensions": {
"additionalProperties": true,
"description": "MCP extension settings declared by the app-server client.",
"type": [
"object",
"null"
]
},
"mcpServerOpenaiFormElicitation": {
"description": "Legacy opt-in for the `openai/form` MCP extension.\n\nNew clients should declare `openai/form` in [`Self::extensions`].",
"type": "boolean"
},
"optOutNotificationMethods": {
"description": "Exact notification method names that should be suppressed for this connection (for example `thread/started`).",
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"requestAttestation": {
"default": false,
"description": "Opt into `attestation/generate` requests for upstream `x-oai-attestation`.",
"type": "boolean"
}
},
"type": "object"
}
},
"properties": {
"capabilities": {
"anyOf": [
{
"$ref": "#/definitions/InitializeCapabilities"
},
{
"type": "null"
}
]
},
"clientInfo": {
"$ref": "#/definitions/ClientInfo"
}
},
"required": [
"clientInfo"
],
"title": "InitializeParams",
"type": "object"
}