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Usefulness Search
Usefulness Search is a search and pricing layer for AI agents that scores web pages for usefulness and cost before the agent reads them.
Xtract sits between an AI agent and web search to score pages for usefulness and cost before the agent reads them. It fetches results from a web search API, scores them using a weighted sum of signals, and attaches simulated prices so agents only read pages worth reading. It targets teams building AI sales agents that research companies before writing outreach emails. Scores are stored and reused so that every task makes the system better and cheaper. The software requires Python 3, an OpenAI API key, and a Keenable API key.
Usefulness Search at a glance
Key features
- Scores web search results for usefulness and cost
- Uses a weighted sum of five signals for scoring
- Stores and reuses scores to lower future costs
- Detects duplicates and fresh news updates
- Runs evaluations with python3 runevals.py
- Caches search and model responses to disk
Use it for
- Researching companies before writing sales outreach emails
- Filtering out stale facts and outdated news from search results
- Lowering token costs for AI agents reading web pages
Alternatives to Usefulness Search
- Xtract search API — Get usefulness scores and page prices before your agent fetches data.
- XERJ — It answers agent questions from an index instead of wasting tokens on context windows.
- Exa — Provides high-accuracy web search and deep research endpoints for AI agents.
- Firecrawl — Provides direct web data access for AI agents with open source flexibility.
- Not Human Search — Score any site across 7 agentic signals and search 8,000+ ready sites.
- SearchCLI — Provides a stable, reviewable CLI for managing Volcengine AI search workflows.
- Tavily — It delivers fast, secure web data retrieval designed specifically for AI agents.
- AI Checker by Signum.AI — Track brand visibility and findability in AI search engines and answer systems.
- AnySearch MCP — It delivers high accuracy, fast latency, and structured outputs for AI agents.
- Searchbase — Independent web access with support for REST, MCP, self-hosting, and managed cloud.
- Web Access Skill — Connects directly to your local browser via CDP for authenticated sessions.
- Wigolo — Enables local web access for AI agents with no API keys, cloud dependency, or fees.
All Usefulness Search alternatives