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The navette journey — a real agent session, end to end

What every agent is asked to do on the web, in one run: log into a site, then research something (search → open → extract). Executed live on 2026-09-30 by an AI agent driving navette through MCP only — no Playwright, no Chromium, no curl. The agent's actual tool calls, verbatim.

Act 1 — Authenticate (the most-requested agent flow)

Target: the-internet.herokuapp.com/login — the standard automation-practice site, real HTTP form, real session cookie.

// navigate
{"title":"The Internet","session":"journey","url":"https://the-internet.herokuapp.com/login","ok":true}
// type #username = "tomsmith"      -> {"result":"OK","ok":true}
// type #password = "************"  -> {"result":"OK","ok":true}
// click 'form button[type="submit"]' -> {"result":"OK","ok":true}
// evaluate — verify the outcome
{"url":"/secure","flash":"You logged into a secure area!","h2":"Secure Area"}

The submit button fired a real form POST: the browser navigated to /secure, the session cookie was stored by the WKWebView, and the page rendered its authenticated state.

Login success

Act 2 — Research loop (search → open → extract)

Target: DuckDuckGo's HTML endpoint (no bot wall), then follow the most relevant result.

// navigate: https://html.duckduckgo.com/html/?q=system+webkit+browser+for+AI+agents
{"title":"system webkit browser for AI agents at DuckDuckGo","ok":true}
// evaluate — extract the first five results
[
  {"title":"11 Best AI Browser Agents in 2026","url":"https://www.firecrawl.dev/blog/best-browser-agents"},
  {"title":"WebKit ships a Safari MCP server for AI coding agents","url":"…aintelligencehub.com…"},
  {"title":"AI Web Browsers & Agents in 2026: The Complete Selection Guide","url":"…dev.to…"},
  "…"
]
// first result was dead ("Deployment Paused") — a real web; agent moves on.
// navigate: the dev.to guide -> read -> extract
{"title":"AI Web Browsers & Agents in 2026: The Complete Selection Guide - DEV Community","ok":true}
{"title":"AI Web Browsers & Agents in 2026…",
 "paragraphs":["Picking the right tools for AI agents in 2026 feels like choosing a
                Swiss Army knife for a space mission…"]}

Research article

Full CSS rendering, hero image, fonts — WebKit, already in the OS. The agent saw every step through screenshot and acted through type/click.

What this journey demonstrates

Capability Proof
Real form login with session state /secure + flash + cookie, screenshot
Search-result extraction 5 results with titles + URLs
Dead-link resilience skipped a parked page, continued
Content extraction for LLMs markdown read + targeted evaluate
Visual verification PNG screenshots returned as MCP image content
Zero Chromium anywhere system WebKit, 0.3 MB of glue

Found along the way (competitive intel)

The search itself surfaced the landscape this project lives in: "WebKit ships a Safari MCP server for AI coding agents" (2026) — Apple is moving toward the same thesis: the system browser is the agent's browser. navette's bet is the cross-platform, engine-free, agent-first version of that idea.