Description

SEO Agent IO – Auto Publisher connects your WordPress site to SEO Agent (seo-agent.io),
an AI-powered content platform that helps you plan, write, and publish
SEO-optimized articles based on real keyword research for your niche.

An active SEO Agent subscription is required. See seo-agent.io for plans and pricing.

What this plugin does

Receives and publishes articles prepared by SEO Agent – content you have reviewed and
approved through the SEO Agent dashboard before it reaches your site
Applies SEO metadata to each published post (Yoast, Rank Math, AIOSEO, SEOPress)
Fills missing image alt text using AI to improve accessibility and search coverage
Injects Organization schema markup for structured data
Syncs published post URLs back to SEO Agent so the service can update its internal links
Removes duplicate-content query parameters (?nocache=, ?elementor_popup=) from canonical URLs

External Service Notice

This plugin connects to seo-agent.io to publish articles and generate alt text.
Your site URL, published post URLs, and image URLs are transmitted to this service.
See: https://seo-agent.io/privacy and https://seo-agent.io/terms

Requirements

An active SEO Agent account is required. Sign up at seo-agent.io.

External Services

This plugin communicates with seo-agent.io for all core functionality:

What is sent: Site URL (on first page load after installation, with automatic retry backoff), published post URLs and titles
(on publish/update/delete), page URLs (site audit), image URLs (for alt text
generation), plugin version (on each poll), crash reports (on fatal errors).
If WooCommerce is installed: product titles, URLs, and status changes are synced
automatically via webhooks to power internal linking.
When: On activation, every 5 minutes via WP-Cron, on post publish/update/delete,
and on WooCommerce product changes (if WooCommerce is installed).
Privacy policy: https://seo-agent.io/privacy
Terms of service: https://seo-agent.io/terms

Installation

Install and activate the plugin
The plugin connects automatically on activation
Visit SEO Agent in your WordPress admin to complete setup

FAQ

Is the plugin free?: The plugin itself is free to install. Using it requires an active SEO Agent subscription.
Visit seo-agent.io for current plans and pricing.
Does the plugin work without an account?: No. You need to register at seo-agent.io and complete the onboarding process first.
Once your site is connected through the SEO Agent dashboard, the plugin will automatically
receive and publish articles prepared for your site.
What data is sent to seo-agent.io?: Your site URL, published post URLs, image URLs for alt text generation, and crash reports on fatal errors.
See the External Services section below.

Reviews

There are no reviews for this plugin.

Contributors & Developers

“SEO Agent IO – Auto Publisher” is open source software. The following people have contributed to this plugin.

seoagentio

Translate “SEO Agent IO – Auto Publisher” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

4.84

Image sideload: set alt text from pre-generated value when AI API times out (fallback)
Async image sideload retry with extended 20-second timeout

4.83

Image sideload: set _wp_attachment_image_alt from pre-generated alt as fallback

4.82

Strip wpautop paragraph wrapper from JSON-LD schema in post_content via the_content filter

4.81

Fix unused variable in inject-schema handler
Refactor ob_start helper so each caller has explicit ob_end_flush() for static analysis

4.80

inject-schema endpoint now stores schema in post meta instead of post_content
Add comment clarifying base64_decode usage (HTTP Basic Auth header decoding)

4.79

Refactor output buffer handling: shared helper eliminates duplicate flush logic
Shutdown hook priority -1 ensures buffer closes before WordPress core cleanup
Skip unnecessary ob_get_status() calls on AJAX and cron requests

4.78

Explicit shutdown handler to close output buffer opened at template_redirect
Remove load_plugin_textdomain() – WordPress 4.6+ loads translations automatically
Fix code comment that triggered WP.org automated scanner

4.77

Fix featured image sideload: preserve original alt text set by fill_alt_texts
Decode HTML entities from media library title on sideload

4.76

Fix image alt text: use payload alt_text field, decode HTML entities from post title
Support caption and description fields in set_featured_image task

4.75

Add _yoast_wpseo_canonical to SEO meta keys allowlist for canonical URL override

4.74

WP-native auto-update via pre_set_site_transient_update_plugins filter
Noindex WooCommerce add-to-cart and added-to-cart URL parameters

4.73

Add activate_plugin task type to re-activate deactivated plugins after reinstall

4.72

Replace sanitize_url() with esc_url_raw() for WordPress 5.6 compatibility
Fix double-encoded & in admin page free plan label
Wrap cron schedule display strings in __() for i18n
Fix uninstall.php multisite: clear cron hooks and transients per-site

4.71

Redesigned admin status page with SEO Agent visual identity (all 4 connection states)

4.70

WP_Filesystem API for all filesystem writes (WP.org scanner compliance)
Pre-computed SVG icon constant (no base64_encode at runtime)
sanitize_key on WooCommerce attribute query params

4.69

WP_Filesystem API for llms.txt writes (WP.org compliance)
is_wp_error guard on org-schema homepage fetch
Remove sslverify=false from direct-URL fallback (security)

4.68

Deactivation clears all cron hooks via wp_clear_scheduled_hook
Added uninstall.php for full cleanup on plugin deletion

4.67

Added WooCommerce HPOS compatibility declaration
Renamed cron intervals to plugin-prefixed names (seo_agent_twicehourly)
i18n support and textdomain loading
Converted all anonymous closures to named functions

4.66

Available on WordPress.org
Added free tier: 3 articles/month, 20 alt texts/month
Removed self-update mechanism (updates now via WordPress.org)