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- Updated
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MCP Adapter
Expose WordPress abilities as Model Context Protocol (MCP) tools, resources, and prompts for AI agents.
- Active installs
- 60,000+
- #669 of 1,000
- Downloads, all time
- 82.9K
- 82,862
- Downloads, 30 days
- 82K
- 17.6K in the last 7
- Rating
- 5.0 / 5
- 1 reviews
- Last updated
- 15 days ago
- Oct 16, 2026
- Version
- 0.7.1
- 3 releases
Upkeep and compatibility
| Last updated | October 16, 2026Updated in the last 3 months |
|---|---|
| Tested up to | WordPress 7.1.4Covers WordPress 7.1.4, the current release |
| Needs WordPress | 6.9 or newer |
| Needs PHP | 7.4 or newer |
| First published | October 2, 2026 |
| Support, last two months | No threads opened |
Reviews
5.0 / 5 from 1 review
| 5 stars | 1 |
|---|---|
| 4 stars | 0 |
| 3 stars | 0 |
| 2 stars | 0 |
| 1 star | 0 |
Downloads, last 30 days
What the author says it does
Part of the AI Building Blocks for WordPress initiative.
The MCP Adapter bridges WordPress’s Abilities API with the Model Context Protocol (MCP) specification, providing a standardized way for AI agents to interact with WordPress functionality. It includes HTTP and STDIO transport support, comprehensive error handling, and an extensible architecture for custom integrations.
Features:
- Ability-to-MCP Conversion – Automatically converts WordPress abilities into MCP tools, resources, and prompts.
- Multi-Server Management – Create and manage multiple MCP servers with unique configurations.
- Extensible Transport Layer – Built-in HTTP and STDIO transports, plus support for custom transport protocols.
- Flexible Error Handling – Default WordPress-compatible error logging with support for custom, server-specific handlers.
- Observability – Zero-overhead metrics tracking with configurable handlers.
- Permission Control – Granular, configurable permission checking for all exposed functionality.
The opening of the plugin's own description. The full text, installation notes and changelog are on its WordPress.org page.
Questions the author answers
What is MCP?
Model Context Protocol is an open standard for connecting AI agents to external systems. Instead of every AI client needing its own custom integration, a system exposes what it can do as MCP tools, resources and prompts, and any MCP-compatible client can use them. See modelcontextprotocol.io for the specification.
What is MCP Adapter?
MCP Adapter is the server and transport layer. It does not provide any AI features itself.
What it exposes comes from the WordPress Abilities API. An ability is a single capability registered by WordPress core or by another plugin, such as reading posts or updating a setting.
How do AI agents connect to my site?
The adapter registers MCP endpoints over the built-in HTTP transport. Point an MCP-compatible client at the endpoint and authenticate as a WordPress user. The adapter supports exact MCP revisions 2025-11-25 and 2026-07-28. See the getting started guide for endpoint details.
Does every registered ability get exposed automatically?
No, exposure is opt-in. An ability is only reachable over MCP if it has been marked public, and permission checks still run against the current user before anything executes. See the documentation for how to opt abilities in and out.
Where do I report bugs or request features?
On the GitHub repository. Security issues should follow the process in SECURITY.md rather than being reported publicly.
Plugin developers should depend on MCP Adapter by adding Requires Plugins: mcp-adapter to their plugin header. See the README for WP-CLI and wp-env options.
Latest changelog entry
Fixed
- Bound stored session initialization parameters to 4 KiB and automatically recover oversized session data, preventing repeated database failures and excessive logging. Affected clients need to reconnect once. Client icons are excluded from storage so large inline icons do not prevent connections.
- Register the installed plugin’s autoloader before checking for bundled copies, allowing version selection before an older bundled class is loaded.
- Unknown ability names from MCP clients no longer generate WordPress developer notices.
Changed
Tagged
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Where this page's numbers come from
Read from the WordPress.org plugin API on , when WordPress 7.1.4 was the current release. WordPress.org rounds active installs into buckets. These are the directory's figures, not my verdict, and I haven't tested this plugin.