WebMCP Agent Console & Telemetry Inspector

Interactive test harness for the W3C Web Model Context Protocol (WebMCP). Execute registered client tools via navigator.modelContext or server REST endpoints, inspect JSON schemas, and monitor live Server-Sent Events (SSE) telemetry.

Back To Labs Latest Post: Store Payouts

navigator.modelContext: Ready SSE Stream: Connecting... Tools: 9

/.well-known/webmcp.json /api/mcp/tools /api/mcp/capabilities /api/mcp/telemetry

Total Invocations

0

Server tool calls recorded

Success Rate

100%

0 ok / 0 err

Avg Server Latency

0.0 ms

Rolling 50-call window

SSE Heartbeat

#0

Stream uptime: 0s

Tool Execution Harness

-- ms

Quick Preset Calls

Tool Name

Execution Transport

Input Arguments (JSON)

Tool Execution Result

Ready

// Select a tool or preset on the left and click "Execute Tool" to inspect the structured response.

Live SSE Event & Telemetry Stream (`/api/mcp/events`)

Registered WebMCP Tools & Schemas

Click any tool card to load its template in the harness

Labs

Experimental prototypes, arcade games, and creative code.

Launch Arcade All Labs

Posts

Notes, guides, and articles from the studio.

Read Post All Posts

Featured

Key releases, engineering milestones, and client systems.

View Project All Projects