Connect Codex to Just One API
Set up in minutes
Choose where it runs
On your computer through your own Codex, or hosted in the cloud. The rest of setup adapts to your choice:
Pick what it can do in Just One API
A preset of real Just One API operations. Each one becomes a tool the agent can call, and it can't touch anything outside the list.
Connect Just One API
One sign-in. The agent acts through your account, scoped to the operations you picked.
Add your personal MCP link
The last step mints a private MCP URL for this agent and walks you through exactly this, with your real link filled in. The page flips to Connected the moment your Codex first calls in. Codex connects when a session starts — run codex, or restart a running one (in the Codex app, Restart).
Run this in your terminal. The Codex app shares its config, so it gets the server too
<your-link> is your personal server URL — setup mints it for you.
Tools Codex gets
Just One API
20 toolsRetrieves the current Weibo hot-search ranking. Use it to identify trending topics for newsroom monitoring, content planning, or timely topic discovery.
Searches Douyin (TikTok China) videos by keyword with sort, publish-time, duration, and page filters; later pages require the previous search ID. Use it to support content discovery and trend research.
Retrieves details for a Douyin (TikTok China) video by video ID. Use it to look up a known video before content review, archiving, or related analysis.
Retrieves a Douyin (TikTok China) user profile by secUid. Use it to review a known creator or account before monitoring related content or conducting account research.
Searches Xiaohongshu (RedNote) notes through the mobile-app search flow with pagination, sorting, note-type, and time filters. Use it to support iterative topic research and filtered content discovery.
Retrieves Xiaohongshu (RedNote) video-note details by note ID. Use it to look up and process a known video note.
Retrieves details for a Weibo post identified by its post ID. Use it to look up a known post for content review, archiving, or related engagement analysis.
Searches Taobao and Tmall products by keyword with page-based pagination and returns results sorted by sales. Use it to discover popular products for ecommerce research, catalog analysis, or product selection.
Retrieves Taobao or Tmall product details by item ID through the V9 endpoint. Use it to perform direct product lookup for catalog research, product monitoring, or ecommerce analysis.
Retrieve JD.com product details by item ID. Use it to review product information and images for catalog research or ecommerce analysis.
Searches 1688 products by keyword with pagination, sorting, price ranges and optional sourcing filters. Use it to discover products during procurement and market research.
Converts an image URL or JPEG Base64 input into an image reference for a selected 1688 image search endpoint. Use it to prepare external images for visual product sourcing.
Searches WeChat Official Account articles by keyword within a selected category such as followed accounts, latest, recently read, or hot, with continuation pagination. Use it to focus article discovery on a particular result stream.
Retrieves lightweight information for a WeChat Official Account article by URL. Use it to perform a quick article lookup before deeper content, metric, or comment retrieval.
Search YouTube videos by keyword with optional language, upload-date, duration, and sort filters, or continue with a pagination token. Use it to discover public videos or browse additional result pages.
Retrieve public details for a YouTube video identified by video ID. Use it to inspect a known video before further content or comment analysis.
Retrieve available caption tracks for a YouTube video or request captions in SRT, XML, JSON3, or plain-text format. Use it to support transcription, accessibility, localization, or text analysis.
Retrieves an Instagram user profile by username. Use it to review a known account before creator research, brand monitoring, or related post analysis.
Retrieves an Instagram post by its shortcode. Use it to look up a known post before content review, archiving, comment analysis, or related workflows.
Searches Reddit posts by keyword with an optional continuation token. Use it to discover topic-related discussions or continue through additional search-result pages.
About Codex
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