Leyline Sorcery
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appseed

Browserbase

Hosted browsers for agents. Browser slice without running Playwright locally.

MCP declaredAPI declaredCost usageLicence proprietary

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

Plan with BrowserbaseOpen homepageRead docs

[ Observed sample ]

Frequency in Leyline's observed sample

The count is distinct observed stacks. It is not a Score input.

This component is not in Leyline's observed sample.

Record cmp_browserbase

Open ranks

[ Score explain ]

Why the Score is 18

How Score works

Score v2 uses only observed signals. The displayed contribution is weight × value × 100. Missing factors are insufficient evidence.

Score factor

GitHub health

18% weight. A licence is declared. Documentation is available.

Value 0.30 · 5.4 points

18% weight × 0.30 value

5.4 points

A licence is declared. Documentation is available.

Score factor

Agent use

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Human notes

14% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Composability

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Checklist

10% weight. An MCP surface is declared. An API is declared. Cost is usage. 3 of 3 checklist fields are complete.

Value 1.00 · 10.0 points

10% weight × 1.00 value

10.0 points

An MCP surface is declared. An API is declared. Cost is usage. 3 of 3 checklist fields are complete.

Score factor

Evidence quality

14% weight. 1 sources cover 1 evidence types. The latest dated evidence is 2026-09-12. Freshness is omitted unless observed as a signal.

Value 0.18 · 2.5 points

14% weight × 0.18 value

2.5 points

1 sources cover 1 evidence types. The latest dated evidence is 2026-09-12. Freshness is omitted unless observed as a signal.

Score factor

Benchmarks

12% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Total17.94 → 18 after rounding

Agent use: insufficient evidence

Human notes: insufficient evidence

Composability: insufficient evidence

Benchmarks: insufficient evidence

[ Claims ]

Publisher-asserted record

Claims are what the publisher declares. Score uses observed signals, not these assertions, except for checklist fields derived from interfaces. MCP, API, cost, and license claims are marked verified, unverified, or contradicted from intake evidence.

Kind
app
Interfaces

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

Functions

Function

Browser

operate a live page

Browser Browse Browser

Function

Observe

watch a system

Observe Browse Observe

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect
Tags
Audience

audience

Agents

The product is built for software agents to call, not only for interactive humans.

Agents Browse Agents

[ Capability slices ]

Compose the useful parts.

observe

Observe

Hosted browsers for agents. Browser slice without running Playwright locally.

usageCompose with this
connect

Connect

Hosted browsers for agents. Browser slice without running Playwright locally.

usageCompose with this

CDP/Playwright-compatible sessions. Pairs with Playwright as the local slice vs hosted slice.

[ Relations ]

Derived alternatives and shared slots

  • Alternative to
    Maple Shared functions browser, connect, observe. Same kind and overlapping capability.
  • Alternative to
    TinyFish Shared functions browser, connect, observe. Same kind and overlapping capability.
  • Fills the same slot as
    agent-desktop Shared functions browser, observe. Can fill the same function slot.
  • Fills the same slot as
    Atomic Agent Shared functions browser, connect. Can fill the same function slot.
  • Fills the same slot as
    Playwright Shared functions browser, observe. Can fill the same function slot.
  • Fills the same slot as
    GitHub Shared functions connect, observe. Can fill the same function slot.
  • Fills the same slot as
    kogiQA MCP Web Browser Shared functions browser, connect. Can fill the same function slot.
  • Fills the same slot as
    MCP / AI Gateway Shared functions connect, observe. Can fill the same function slot.

[ Signals ]

Observed evidence and source claims

Signals carry source, method, and observedAt. Source review dates and evidence basis are shown separately. Unobserved metrics stay insufficient evidence.

  • docs
    Browserbase docs

    Evidence basis unknown · Check date unknown · Source date 2026-09-12

No social source is stored.

Suggest a correction

Propose a change with a public source. Corrections wait for review before the card changes.

[ Notes ]

No notes are stored.