---
title: "NOSIBLE: AI Search API and Agent Research"
description: "Build agent-ready search via API in South Africa: hybrid keyword+vector retrieval, Cybernaut-1 with LLM-guided MCTS, scales to billions of vectors."
canonical_url: "https://liners.com/nosible"
markdown_url: "https://liners.com/nosible.md"
type: "product"
language: "en"
image: "https://assets.liners.com/storage/v1/object/public/media/tools/nosible/screenshot.webp?v=1790006631027"
published_at: "2026-05-08T18:34:27.594Z"
updated_at: "2026-10-04T03:01:41.672Z"
---

# NOSIBLE: AI Search API and Agent Research

Build agent-ready search via API in South Africa: hybrid keyword+vector retrieval, Cybernaut-1 with LLM-guided MCTS, scales to billions of vectors.

## Breadcrumbs

- [AI & Analytics](/categories/ai-analytics)
- [NOSIBLE](/nosible)

## Summary

Agent-ready search for difficult research queries

A search engine and API built for AI systems and autonomous agents, combining hybrid keyword and vector search to support complex research workflows.

## Product details

| Field | Value |
| --- | --- |
| Website | https://www.nosible.ai/ |
| Tagline | Agent-ready search for difficult research queries |
| Primary country | South Africa |
| Platforms | Web, API |
| Average rating |  |
| Published reviews | 0 |
| Verified listing | No |

## About the product

NOSIBLE is a search engine built for organizations building **AI systems** and **autonomous agents** that need advanced search for complex research tasks.

Key capabilities include:

- **Hybrid search** that combines **keyword search** and **vector search** to support both precise lookups and semantic retrieval.
- **Agentic search workflows** via Cybernaut-1, designed for harder queries using an approach that includes **LLM-guided Monte Carlo Tree Search**.
- **Large-scale vector handling**, with architecture described as able to manage **billions of vectors** on commodity CPU servers.
- **Integration-focused design** intended to plug search into AI applications and agent pipelines.

Available via **API**.

Target users include B2B teams building, deploying, or operating AI products that require search, retrieval, and research capabilities for autonomous agents.

Notable context: founded in 2020, the company has reported a $1 million pre-seed round led by Atlantica Ventures, and positions its work around agent-focused search, including a competitive arena where agents can be evaluated on specific tasks.

## Features

- [AI & Analytics](/categories/ai-analytics): Category
- [AI-Powered](/tags/ai-powered): Product feature or technology
- [B2B](/tags/b2b): Product feature or technology
- [Predictive Analytics](/tags/predictive-analytics): Product feature or technology
- [SaaS](/tags/saas): Product feature or technology
- [South Africa](/countries/south-africa): Market

## Related pages

- [Alternatives](/nosible/alternatives)
- [Reviews](/nosible/reviews)
- [Transparency](/nosible/transparency)

## Access and citation

- [Canonical HTML page](https://liners.com/nosible)
- [Markdown route index](/sitemap.md)
- [Agent access guide](/llms.txt)