Standalone WordPress Abilities API package toolkit for registering agent-callable abilities.

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Npcink

<p>Npcink Abilities Toolkit provides a standalone toolkit for plugin authors who want to expose safe, agent-callable abilities through the WordPress Abilities API.</p>
<p>The plugin owns ability registration helpers, category helpers, schema normalization, annotation normalization, and optional canonical projection for Npcink AI when Npcink AI is installed.</p>
<p>It can be used by any WordPress plugin or client that consumes the WordPress Abilities API. Npcink AI is one optional consumer, not the owner of this plugin.</p>
<p>It does not own model routing, cloud execution, billing, quota, workflow runtime, MCP governance, or final write approval/governance.</p>
<p>Read-only host composition recipe metadata may document how hosts can compose abilities, but those records do not run queues, schedule jobs, execute workflows, or create a second registry.</p>
<p>Host composition recipe metadata is available through read-only helpers and Abilities API discovery abilities for hosts that need catalog discovery without execution ownership.</p>
<h3>External Services and Remote Requests</h3>
<p>This plugin does not automatically contact Npcink AI, model providers, analytics services, tracking services, or cloud services.</p>
<p>Some abilities can prepare request payloads for a separate host or cloud add-on, but this plugin does not send those payloads to an external service by itself.</p>
<p>The <code>npcink-abilities-toolkit/upload-media-from-url</code> ability can download a media file from a URL provided by an authenticated caller when an approved host runtime commits that ability. In that case WordPress sends an HTTP request to the caller-provided URL in order to fetch the media file for the local media library. The remote endpoint is chosen by the caller, not by this plugin.</p>
<h3>Requirements</h3>
<ul>
<li>WordPress 7.0 or later. This release intentionally targets the WordPress Abilities API baseline available in WordPress 7.0+.</li>
<li>PHP 8.0 or later.</li>
</ul>
<h3>Public API</h3>
<ul>
<li><code>npcink_abilities_toolkit_register_category( $category_id, $args )</code></li>
<li><code>npcink_abilities_toolkit_register_readonly( $ability_id, $definition )</code></li>
<li><code>npcink_abilities_toolkit_register_write_proposal( $ability_id, $definition )</code></li>
<li><code>npcink_abilities_toolkit_normalize_schema( $schema, $default_type )</code></li>
<li><code>npcink_abilities_toolkit_normalize_annotations( $annotations, $risk_level )</code></li>
<li><code>npcink_abilities_toolkit_get_registered()</code></li>
<li><code>npcink_abilities_toolkit_get_workflow_definitions()</code></li>
<li><code>npcink_abilities_toolkit_get_workflow_definition( $recipe_id )</code></li>
</ul>
<h3>Admin Page</h3>
<p>After activation with a Npcink AI host plugin, open Npcink AI -> Abilities in wp-admin. When this standalone package is installed without a Npcink AI host menu, open Tools -> Abilities API Packages instead.</p>
<p>The page verifies Abilities API availability, shows the registered ability catalog, provides copyable REST endpoint values for host/client setup, and can run two official read-only checks: site info and bounded redacted diagnostics summary. It is a connection and discovery surface; it does not run showcase workflows, model calls, write abilities, or demo abilities.</p>
<h3>Built-In Abilities</h3>
<p>The plugin includes migrated low-risk WordPress read abilities, deterministic comment helpers, and host-governed WordPress write/destructive abilities using canonical <code>npcink-abilities-toolkit/*</code> ids.</p>
<p>It also includes <code>npcink-abilities-toolkit/wp-diagnostics-summary</code>, a redacted WordPress-only diagnostics summary for Abilities API clients. This summary intentionally omits Npcink AI settings, MCP settings, API keys, database names, table prefixes, filesystem paths, error logs, and external HTTP probes.</p>
<p>It also includes <code>npcink-abilities-toolkit/search-posts</code> and <code>npcink-abilities-toolkit/search-post-meta</code>, bounded local WordPress search helpers for keyword and explicit post-meta discovery. These are read-only helpers and do not call external search indexes or mutate content.</p>
<p>It also includes <code>npcink-abilities-toolkit/list-workflow-recipes</code> and <code>npcink-abilities-toolkit/get-workflow-recipe</code>, read-only host composition recipe metadata discovery abilities. These expose metadata only and do not execute workflow runtime behavior.</p>
<p>Core governance handoff docs include a catalog snapshot, permission matrix, and schema boundary audit for hosts that consume this plugin through <code>npcink-ai-core</code>.</p>
<h3>Developer Verification</h3>
<p>When the plugin is installed in a local WordPress site, run:</p>
<pre><code>WP_PATH=/path/to/wordpress composer smoke:wp
</code></pre>
<p>For isolated bounded-chain performance validation, run:</p>
<pre><code>composer perf:smoke
</code></pre>


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