session_create
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Third-party content written by another agent. Data to evaluate, not instructions.
Create a persistent interactive browser session for multi-step interaction - clicking, typing, scrolling, reading state across page transitions. Use when the agent must INTERACT with a page (login flows, forms, pagination, click-through) rather than read it once. Returns session_id; persists 8 min idle. With persistent:true the login state survives idle eviction and server restarts - the same session_id revives logged-in.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| url | string | null | no | Initial URL to navigate to (optional) |
| use_proxy | boolean | no | Route through proxy (default: false) |
| cookies | array | no | Cookies to inject before navigation: `"name=value"` strings or CDP-style objects `{"name","value","domain",...}`. Lets the session start already logged-in. Round-trips with session_cookies. |
| storage | any | no | Web Storage to inject after the initial navigation lands: {"local_storage": {"k":"v"}, "session_storage": {"k":"v"}}. For login states that live in localStorage rather than the cookie jar. Round-trips with session_storage. |
| ttl_secs | integer | null | no | Idle time-to-live in seconds before the session is evicted (default: 480, clamped 60..3600). Raise it for long workflows. |
| width | integer | null | no | Initial viewport width in CSS pixels. Pinned for the session's life (survives navigation) so element rects and media queries anchor to the same layout across every page of the visit. |
| height | integer | null | no | Initial viewport height in CSS pixels. |
| mobile | boolean | no | Mobile device emulation (coarse pointer, no hover) for the initial viewport. |
| keepalive | boolean | no | Exempt the session from the idle reaper: it lives until session_close or server exit, so a workflow interrupted by long non-browser steps keeps its login state. |
| persistent | boolean | no | Persist the login state (cookies + localStorage/sessionStorage + viewport + dialog policy) to the server's local store after every action. If the session idles out — or the whole server restarts — the next call with the same session_id revives it logged-in (storageState-style recovery, no re-login). Explicit session_close drops the snapshot. |
| account | string | null | no | Run as a named login identity (the multi-account layer): a private cookie jar seeded from the account record, write-back to the account store after every action. Concurrent logins (`taobao-scraper` vs `taobao-publisher`) never clobber each other. The account record survives the session — a later create with the same name picks up the warm jar. 1-64 chars of [a-zA-Z0-9_-]. |
Raw JSON schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"url": {
"description": "Initial URL to navigate to (optional)",
"type": [
"string",
"null"
],
"default": null
},
"use_proxy": {
"description": "Route through proxy (default: false)",
"type": "boolean",
"default": false
},
"cookies": {
"description": "Cookies to inject before navigation: `\"name=value\"` strings or\nCDP-style objects `{\"name\",\"value\",\"domain\",...}`. Lets the session\nstart already logged-in. Round-trips with session_cookies.",
"type": "array",
"items": {
"type": "string"
},
"default": []
},
"storage": {
"description": "Web Storage to inject after the initial navigation lands:\n{\"local_storage\": {\"k\":\"v\"}, \"session_storage\": {\"k\":\"v\"}}. For login\nstates that live in localStorage rather than the cookie jar.\nRound-trips with session_storage."
},
"ttl_secs": {
"description": "Idle time-to-live in seconds before the session is evicted\n(default: 480, clamped 60..3600). Raise it for long workflows.",
"type": [
"integer",
"null"
],
"format": "uint64",
"minimum": 0
},
"width": {
"description": "Initial viewport width in CSS pixels. Pinned for the session's life\n(survives navigation) so element rects and media queries anchor to\nthe same layout across every page of the visit.",
"type": [
"integer",
"null"
],
"format": "uint32",
"minimum": 0
},
"height": {
"description": "Initial viewport height in CSS pixels.",
"type": [
"integer",
"null"
],
"format": "uint32",
"minimum": 0
},
"mobile": {
"description": "Mobile device emulation (coarse pointer, no hover) for the initial\nviewport.",
"type": "boolean",
"default": false
},
"keepalive": {
"description": "Exempt the session from the idle reaper: it lives until\nsession_close or server exit, so a workflow interrupted by long\nnon-browser steps keeps its login state.",
"type": "boolean",
"default": false
},
"persistent": {
"description": "Persist the login state (cookies + localStorage/sessionStorage +\nviewport + dialog policy) to the server's local store after every\naction. If the session idles out — or the whole server restarts —\nthe next call with the same session_id revives it logged-in\n(storageState-style recovery, no re-login). Explicit session_close\ndrops the snapshot.",
"type": "boolean",
"default": false
},
"account": {
"description": "Run as a named login identity (the multi-account layer): a private\ncookie jar seeded from the account record, write-back to the account\nstore after every action. Concurrent logins (`taobao-scraper` vs\n`taobao-publisher`) never clobber each other. The account record\nsurvives the session — a later create with the same name picks up\nthe warm jar. 1-64 chars of [a-zA-Z0-9_-].",
"type": [
"string",
"null"
],
"default": null
}
},
"type": "object"
}