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Check a WordPress MCP connection in layers: confirm which server you installed and its exact endpoint, test access from the AI client’s environment, complete MCP initialization, discover tools, then verify authorization by running a tool. An HTTPS response alone does not prove that the MCP handshake or tool calls work.
Identify the WordPress MCP server and its endpoint
“WordPress MCP” can mean several different implementations. Their URLs, transports, and authentication methods are not interchangeable. First identify the product or plugin configured in your AI client.
| Implementation | Endpoint or transport | Authentication and setup checks |
|---|---|---|
| WordPress.com hosted MCP | https://public-api.wordpress.com/wpcom/v2/mcp/v1 | Enable MCP and confirm account/site eligibility. It uses browser-based OAuth 2.1. WordPress.com says eligible self-hosted sites connected through Jetpack use this same endpoint. WordPress.com MCP setup |
| Official self-hosted WordPress MCP Adapter | Default server: your site’s /wp-json/mcp/mcp-adapter-default-server path. It supports remote HTTP and local WP-CLI STDIO. Adapter documentation |
Verify the plugin is installed and active and the default server is available. Remote HTTP requires the site to be reachable from the AI client’s environment. |
Automattic’s separate wordpress-mcp project |
Direct Streamable HTTP: /wp-json/wp/v2/wpmcp/streamable; it also documents a proxy-based STDIO option. Project documentation |
Use the credentials appropriate to the selected transport; the guide describes JWT for direct Streamable HTTP and proxy-based alternatives. |
For a hosted endpoint, the AI client needs to reach the hosted service. For self-hosted remote HTTP, it needs to reach the site from where the client actually runs. A site URL that works only on your laptop or on the WordPress server itself will not work for a client running elsewhere. A local STDIO setup is different: the client communicates through a local process or proxy rather than reaching the server over a remote HTTP route.
Compare the configured URL character-for-character with the endpoint in the setup guide for your implementation. Check the HTTPS scheme, hostname, and full path; using a valid WordPress URL with the wrong MCP path is still a misconfiguration.
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#1 Best Overall
BOSGAME M5 AI Mini PC, AMD Ryzen AI Max+ 395 128GB LPDDR5X 8000MT/S
- ▶ FLAGSHIP AMD RYZEN AI MAX+ 395 MINI PC – Packing 16 Zen 5 cores, 32 threads (via SMT), 64MB L3 cache, and a 5.1GHz boost clock. Delivers 126 TOPS total AI compute – including a 50 TOPS XDNA 2 NPU, 25% above Microsoft Copilot+ standard. Run 70B+ LLMs locally, keep data private, and tackle 8K editing, compiling, and rendering simultaneously. Recognized as the "most powerful x86 APU" for AI – a true game‑changer for creators, researchers, and power users.
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- ▶QUAD 8K DISPLAY OUTPUT & DUAL USB4 – M5 Mini PC drives four 8K@60Hz monitors via HDMI 2.1, DP 1.4, and dual USB4 (40Gbps, Thunderbolt 4 compatible, PD & DP Alt Mode). HDMI and DP each support 8K@60Hz; USB4 handles both video and high‑speed data. Perfect for immersive gaming, professional video walls, or complex multitasking – plus charge devices directly from USB4 ports.
Test connection in layers
Use these checks in order. Each confirms a different stage, and later stages depend on earlier ones.
- Check network access from the client’s environment. Confirm that the hostname resolves and that the client can negotiate TLS and reach the service over HTTPS. A browser visit or plain HTTP probe can help expose DNS, certificate, firewall, proxy, or hosting-access problems. A generic HTTP response does not establish that the MCP endpoint or protocol is working.
- Complete MCP initialization. For the Adapter’s HTTP transport, send an MCP
initializerequest to the configured endpoint. The Adapter documentation states: “Every HTTP client must complete an initialization handshake before sending any other MCP request.” Default-server HTTP instructions - Keep the Adapter session. The Adapter returns an
Mcp-Session-Idduring initialization. Include that value on subsequent HTTP requests. If follow-up calls report a missing or invalid session, check the header; if the session has expired, initialize again. Adapter troubleshooting - Check tool discovery. Use the client’s normal MCP interface to request or display the available tools. If initialization succeeds but expected tools are absent, check the server’s enabled tools or abilities, the chosen implementation, and client logs. WordPress.com advises restarting the client after changing enabled tools so it refreshes its list. WordPress.com MCP setup and troubleshooting
- Test authorization and execution. Complete WordPress.com’s OAuth flow and check whether the AI client appears under Connected Apps. For self-hosted WordPress, a tool can be discovered yet still fail when the current WordPress user lacks the required permission. For Automattic’s separate project, make sure the credential matches the selected transport.
- Inspect client logs. WordPress.com recommends restarting the AI client and checking its logs. Record the endpoint, time, HTTP status, and protocol error when diagnosing a failure. Redact bearer tokens, passwords, and other secrets before sharing logs.
Interpret what the result tells you
- No DNS, TLS, or HTTP response: The failure is before MCP protocol negotiation. Check the hostname, network route, TLS certificate, firewall or proxy policy, and whether the service is exposed to the client’s environment.
- An HTTP response, but initialization fails: Confirm the path belongs to the installed implementation, that the client uses a supported transport, and that any required authentication is present. An HTTP status by itself is not an MCP success.
- Initialization works, but later Adapter calls fail with a session error: Send the
Mcp-Session-Idreturned at initialization. Start a fresh initialization if the session has expired. Adapter troubleshooting - Tools appear, but a call is denied: Check the OAuth/account connection for WordPress.com or the applicable WordPress permissions for a self-hosted site. Tool visibility and permission to execute a tool are separate checks.
- The client does not list tools the server should expose: Check server-side tool or ability settings, refresh discovery by restarting the client where applicable, and inspect client and server logs.
Check WordPress.com access eligibility
If the configured endpoint is WordPress.com’s hosted service, verify that MCP is enabled and that the account/site qualifies under WordPress.com’s current access rules. Its documentation describes access for paid WordPress.com plans, a limited initial access period for new free sites, and eligible self-hosted Jetpack connections using Jetpack AI or Jetpack Complete. Eligibility terms can change, so confirm them in the current WordPress.com MCP documentation. After setup, confirm OAuth completed and the client appears in Connected Apps.
Quick Recap
Bestseller No. 1
Bestseller No. 2
Best Value
Sale
GMKtec EVO-X3 AI Mini Pc Ryzen AI Max+ 395 128GB LPDDR5X 2TB PCIe 4.0 SSD
- AMD RYZEN AI MAX+ 395 MINI PC – THE NEXT GENERATION AI WORKSTATION --- GMKtec EVO-X3 introduces the next evolution of desktop AI computing powered by AMD Ryzen AI Max+ 395 processor. Featuring 16 cores and 32 threads, Zen 5 architecture, TSMC 4nm FinFET process, up to 5.1GHz boost frequency, and 64MB L3 cache, EVO-X3 delivers flagship-level performance for AI applications, professional creation, gaming, and demanding multitasking. With up to 126 TOPS AI performance, this compact AI workstation brings powerful local computing to your desktop.
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- Secure Local AI & Privacy: Features an integrated Ryzen AI NPU delivering up to 38 TOPS of total processing power. Deploy 8B/14B Large Language Models (LLM) locally, run automated programming assistants, and enjoy lightning-fast AI photo recognition—all completely offline, keeping your sensitive data 100% secure.
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Kinupute AI Server, Mini PC Gaming, Desktop Computer i9-14900F 24 Cores, 64G DDR5, 4T M.2 PCIE4.0 SSD, 4T SATA SSD, Win-11 Pro, GeForce RTX5060Ti 16G, Four Display, 8K@60Hz Outputs, Dual LAN, WiFi7
- [Powerful Processor] Mini Gaming PC equipped with Core i9-14900F, 24 Cores 32 Threads, 36M Cache, Max Turbo Frequency: 5.8GHz, Windows 11 pro (64 Bit).64G DDR5-5600 RAM| 4T M.2 NVME PCIE4.0 SSD| 4T SATA SSD. With GeForce RTX 50 Series GPUs. supporting ray tracing and AI cores. Delivering AI-acceleration in top creative apps. Whether you’re rendering complex 3D scenes, editing 4K video, or Gaming livestreaming with the best encoding and image quality.
- [Powerful Capacity & Storage Expansion] The mini desktop computer is equipped with Dual-DDR5 RAM (dual channel DDR5 high-speed memory, which can support up to 96G RAM), 1 x M.2 2280 PCIE4.0 high-speed SSD, and support add 1 x 2.5-inch SATA HDD/SSD is enough to accommodate system files and massive games, Excellent reading and writing speed greatly shortening your boot time.
- [8K@60Hz Four-Display] Mini PC equipped with GeForce RTX5060Ti 16GB GDDR7 discrete graphics card, supporting ray tracing and AI cores. easy connect 4 monitors, 1×HDMI 2.1b and 3×DisplayPort 2.1b(All Support 8K@60Hz display), It can provide you with a first-class TV experience and realistic picture quality, for your visual home entertainment, streaming video, web browsing, work design and 3D games create a very smooth experience.
- [Functional Interfaces] Mini computer is equipped with 4 x USB 3.2, 4 x USB2.0, 1 x HDMI2.1 port, 3 x DP2.1 ports, 2xRJ-45 Gigabit Network Ethernet, 1 x Fiber Optic PORT, 1 x Audio in/out. Built-in Bluetooth 5.4 and IEEE 802.11be wifi 7, Higher transfer rates and lower latency. Mini PC supports multiple device connection and can be used with servers, monitoring equipment, office equipment, projectors, televisions, etc, Mini desktop computer support automatic power on and Wake On Lan.
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Rank #2
GMKtec EVO-X2 AI Mini PC AMD Ryzen Al Max+ 395 Up to 5.1GHz, 16C/32T
- EVOLUTION AMD RYZEN AI MAX+ 395 MINI PC - GMKtec EVO-X2 is the next evolution in AI mini PC Ryzen Strix Halo series. Thanks to AMD Simultaneous Multithreading (SMT) the core-count is effectively doubled, to 32 threads. Ryzen AI Max+ 395 has 64 MB of L3 cache and can boost up to 5.1 GHz, depending on the workload. The Ryzen AI Max+ 395 is currently rated as the "most powerful x86 APU" on the market for AI computing.
- AI NPU with XDNA 2 ARCHITECTURE - Powered by 16 “Zen 5” CPU cores, 50+ peak AI TOPS XDNA 2 NPU and a truly massive integrated GPU driven by 40 AMD RDNA 3.5 CUs, the Ryzen AI MAX+ 395 is a transformative upgrade and delivers a significant performance boost over the competition. The Ryzen AI Max+ 395 excels in consumer AI workloads like the llama.cpp-powered application: LM Studio. Shaping up to be the must-have app for client LLM workloads, LM Studio allows users to locally run the latest language model without any technical knowledge required and unleash their creativity and productivity.
- AMD RADEON 8090S iGPU GAMING PC - The AMD Radeon RX 8060S offers all 40 CUs with up to 2.9 GHz graphics clock and uses the new RDNA 3.5 architecture. The powerful iGPU is positioned between an RTX 4060 and 4070 laptop GPU and therefore enables gaming in FHD at maximum details in most demanding games. The 8060S can also utilize the full 64GB pool, which is perfect for running LLMs such as Deepseek 32B, which runs comfortably on this machine.
- EIGHT CHANNEL LPDDR5X - LPDDR5X is a new ground breaking memory small form factor installed on-board. With blazing speeds up to to 8000MT/s, it runs 1.5x faster than the DDR5 SODIMMs; 90% better performance over DDR5 SODIMMs in video conferencing and photo editing; 30% better performance in productivity apps; 4% better performance in digital content workloads.
- QUAD SCREEN 8K DISPLAY SUPPORT - EVO-X2 AI Mini PC support 4-screen 4K/8K output via HDMI 2.1 (8K@60Hz), DisplayPort 1.4 (4K@60Hz), and dual USB 4 40Gbps Transfer speed (supporting PD3.0/DP1.4/DATA). Ideal for gaming, video editing, and multitasking, it provides expansive and crisp multi-display support.
Keep the diagnosis safe and specific
- Test from the same machine, container, or hosted environment where the AI client runs; a successful check from your browser on another device does not prove that route is available to the client.
- Do not treat an open endpoint as proof that credentials or permissions are correct. Confirm initialization, discovery, and a permitted tool call separately.
- When reporting an issue, include the implementation name, transport, endpoint path, time, HTTP status, and sanitized error text. Never include bearer tokens, passwords, or session secrets.
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