webmcp
✓Implement WebMCP tools that expose web app functionality to AI agents via the W3C navigator.modelContext API. Use when adding WebMCP tools, registering browser-callable tools, exposing page functionality to AI agents, or building agentic web features.
Installation
SKILL.md
Implement tools using the W3C WebMCP API (navigator.modelContext) so AI agents, browser assistants, and assistive technologies can call structured JavaScript functions on your page.
| CRITICAL | tool-definition | Every tool needs name, description, inputSchema, and execute | | CRITICAL | security | Validate params, confirm destructive actions, don't leak sensitive data | | HIGH | descriptions | Write specific descriptions — this is what the LLM reads to pick the tool |
| HIGH | dynamic-registration | Register/unregister tools as SPA state changes | | MEDIUM | user-interaction | Use agent.requestUserInteraction() for purchases, deletions, and sends |
Implement WebMCP tools that expose web app functionality to AI agents via the W3C navigator.modelContext API. Use when adding WebMCP tools, registering browser-callable tools, exposing page functionality to AI agents, or building agentic web features. Source: pillarhq/pillar-skills.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/pillarhq/pillar-skills --skill webmcp- Source
- pillarhq/pillar-skills
- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-15
- Updated
- 2026-02-18
Quick answers
What is webmcp?
Implement WebMCP tools that expose web app functionality to AI agents via the W3C navigator.modelContext API. Use when adding WebMCP tools, registering browser-callable tools, exposing page functionality to AI agents, or building agentic web features. Source: pillarhq/pillar-skills.
How do I install webmcp?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/pillarhq/pillar-skills --skill webmcp Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/pillarhq/pillar-skills
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-15