AgentIndex icon
AgentIndex
ToolsCategoriesTrendingNewCompare
Submit Tool
Home/
Compare/
opencode-browser vs semble
opencode-browser logo
opencode-browser
★ 50
vs
semble logo
semble
★ 4.5k

opencode-browser vs semble

opencode-browser: The OpenCode Browser MCP Plugin integrates browser automation into OpenCode through the Browser MCP extension. It allows AI agents to navigate websites, fill forms, and perform other browser tasks with optimized performance. The plugin provides speed-oriented guidance, tool-specific hints, and fast retry behavior.; semble: Semble is a high-performance code search library designed for AI agents, providing instant access to precise code snippets. It offers significantly faster indexing and querying compared to transformer models, achieving 99% of their retrieval quality while running entirely on CPU without external dependencies.

01

TL;DR

opencode-browser logoChoose opencode-browser if…

Navigate to websites and search for content

semble logoChoose semble if…

Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities

02

Side-by-Side Comparison

Field
opencode-browser logoopencode-browser
semble logosemble
Category
Browser Automation
RAG / Knowledge Base
Stars
★ 50
★ 4.5k
License
MIT
MIT
Updated
1mo ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai-coding-assistant, ai-plugin, browser-automation
agents, code-search, embeddings
03

Features

opencode-browser logoopencode-browser
01Full browser automation support through Browser MCP
02Speed-oriented browser guidance injected into the model prompt
03Tool-specific performance hints for expensive browser actions
04Fast retry behavior with no artificial reconnect backoff in the plugin
05Automatic detection of browser-related tasks
semble logosemble
01Fast performance on CPU (indexes in ~250ms, queries in ~1.5ms)
02High accuracy (NDCG@10 of 0.854), comparable to transformer models
03Supports indexing local paths and remote Git repositories
04Functions as an MCP server for various AI agents
05Zero setup, no API keys, GPU, or external services required
04

Use Cases

opencode-browser logoopencode-browser
↳Navigate to websites and search for content
↳Fill in and submit forms automatically
↳Scrape data from web pages
semble logosemble
↳Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
↳Searching local or remote codebases for specific code snippets based on natural language or code queries
↳Finding semantically similar code sections related to a given file path and line number
05

Best For

opencode-browser logoopencode-browser
TrendingBrowser AutomationWorkflow Automation
semble logosemble
Code AssistantRAG / Knowledge Base
FAQ

FAQ

What is the difference between opencode-browser and semble?
Both opencode-browser and semble are in the Browser Automation category. opencode-browser has 50 stars, while semble has 4.5k stars.
Which is better, opencode-browser or semble?
The best choice depends on your use case. Choose opencode-browser if Navigate to websites and search for content, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is opencode-browser free or open source?
Yes, opencode-browser is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
→

Related

Alternatives to opencode-browser →Alternatives to semble →opencode-browser details →semble details →
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
QYSGitHubBuy me a coffee ☕

Browse by Category

Code AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.