Running NEEDLE as a service, AI Evaluation Observability

NEEDLE Agency Implementation, Search API Benchmarking for Agent Delivery

Learn how to benchmark search APIs against agent-behavior queries across five verticals, score engines on ranking quality and cost per query, and integrate live leaderboards into your provider selection and cost optimization workflows. This course teaches agencies to fork NEEDLE, customize benchmarks for client verticals, and deliver transparent performance reports that justify search engine choices to stakeholders.

Open the decision record for NEEDLE

What it commits you to

Published figures for this service. Blank fields are not published.

Monthly tool cost
Since NEEDLE is open-source, the cost is mainly technical time. As a starting point, the lowest plan cost from pricing_tiers is 'Not published' because no pricing tiers are provided. Thus, the estimated investment is time not monetized.
Time to first value
Not published (setup complexity is low, but no explicit duration given)
Payback
Not modeled (client price, labor, usage, overhead, and expected volume are not all supplied)
Guided implementation
8 hours

Assessment

NEEDLE offers a transparent, open-source benchmark that agencies can adopt to deliver data-driven search engine comparisons for AI agent clients. However, the evidence does not specify costs or ROI, so agencies must validate their own service pricing and delivery costs.

An agency-fit judgement for reselling this service. It is separate from the tool description on the decision record.

Before you start

What has to be in place before the first client engagement.

Tools and subscriptions

  • GitHub account for deploying NEEDLE
  • Search API keys for engines like Exa, Brave, Perplexity, etc. (from key_integrations)
  • Query data sets or ability to create agent-behavior queries
  • Data visualization or reporting tools to present results

People and inputs

  • Technical staff familiar with APIs and data analysis
  • Understanding of search quality metrics (nDCG, MRR, recall)
  • Access to the five verticals' query sets (published in NEEDLE)

Included with the course

6 working documents for delivering this service.

  • Search API Benchmark Setup Checklistchecklist
  • Agent-Behavior Query Template by Verticaltemplate
  • Search Engine Cost-Per-Query Comparison Worksheetworksheet
  • NEEDLE Fork and Customization SOPsop
  • Search Quality Trend Analysis Report Templatetemplate
  • Provider Selection Decision Guideguide

Listed by name. These documents are not yet published as individual downloads.