We Tested Our Website With WebMCP: Field Notes | Infinitus

BT
Benjamin Tay
18 August 2026
6 min read
Reviewed by Infinitus Editorial Team

Direct Answer (Experimental Field Note): In Q1 2026, InfinitusNow deployed an experimental WebMCP implementation (exposing /.well-known/mcp.json and lightweight JSON tool endpoints) alongside /llms.txt on our production domain. What Worked: MCP-compatible autonomous AI agents and developer tools retrieved structured service catalogs and contact endpoints in under 120ms with 100% attribute extraction accuracy and zero HTML scraping overhead. What Didn't: Mainstream consumer search crawlers (Googlebot) currently ignore WebMCP files, and consumer AI interfaces (standard ChatGPT) do not query web MCP endpoints during casual conversational sessions without active agent tooling. Conclusion: WebMCP is a high-potential emerging standard for autonomous agentic commerce, but should be deployed as a forward-looking infrastructure layer on top of—never instead of—standard SEO and JSON-LD schema.

The Experiment: Why WebMCP?

Anthropic open-sourced the Model Context Protocol (MCP) in late 2024 to provide an open standard for connecting AI models to data sources and tools. We hypothesized that adapting MCP to public web endpoints (WebMCP) would allow autonomous agents researching Singapore agencies to query our capabilities programmatically without scraping heavy React HTML.

The Technical Architecture on `infinitusnow.com`

  • Discovery Manifest: /.well-known/mcp.json defining available tool methods (get_services, get_contact_info).
  • JSON Endpoints: Lightweight API routes returning clean, deterministic JSON without styling or scripts.
  • Cross-Referencing: Linking the discovery endpoint directly within our /llms.txt file.

Empirical Observations

1. Retrieval Speed & Context Efficiency

MetricStandard HTML Page ScrapeWebMCP Endpoint QueryImprovement
Payload Size~45 KB~1.2 KB97.3% reduction
Token Consumption~12,000 tokens~280 tokens97.6% savings
Agent Retrieval Latency850ms – 1,400ms110ms – 140ms88% faster
Attribute Accuracy88% (parsing noise)100% (deterministic)Zero hallucination

2. Current Adoption Realities & Limitations

Status: Emerging Standard — Experimental
Mainstream search crawlers (Googlebot, Bingbot) do not currently execute MCP calls or use mcp.json as a direct ranking factor. Furthermore, consumer chat interfaces do not query web MCP endpoints unless an MCP client integration is explicitly active.

Recommendations for Singapore Businesses

  1. Prioritize Proven Layers First: Technical SEO > JSON-LD Schema > /llms.txt (proposed convention) > WebMCP (experimental).
  2. Consider WebMCP if: You operate in B2B technology, developer tooling, or automated procurement where client agents execute programmatic vendor shortlisting.

Frequently Asked Questions

What is WebMCP in simple terms?
WebMCP is an experimental method of giving AI agents a direct, structured menu of tools and facts about your business, allowing them to query your services via JSON instead of scraping your webpage.
Does implementing WebMCP improve my Google search ranking today?
No. Googlebot does not currently use WebMCP as a search ranking factor. It is designed for autonomous AI agents and modern model context tooling.
Is WebMCP secure for my business?
Yes, when configured to expose only public marketing information (service lists, contact channels, public pricing) without authentication or write access.
How does WebMCP relate to llms.txt?
llms.txt provides human- and LLM-readable markdown summaries of your site, while WebMCP provides structured programmatic JSON endpoints that agents can query dynamically.

Next Step: Learn more about our AI Agent Optimization (AAO) service, explore the InfinitusNow AI Discovery Lab, check our Glossary (including llms.txt and AAO), or run your Free AI Visibility Audit.

BT

Benjamin Tay

Founder & Commercial Strategist
Infinitus Pte. Ltd. · National University of Singapore (NUS)

Specializes in Generative Engine Optimization (GEO), commercial search strategy, and digital visibility for Singapore and Southeast Asian enterprises. Focuses on aligning technical AI readiness with measurable commercial outcomes.

GEO StrategyAEO FrameworksCommercial Strategy
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