Search & Discovery
Sixtyfour
Enrichment workflows and intelligence-grade profiles for people and companies
Category
Search & Discovery
Search, enrichment, and discovery systems that give agents structured access to specialized people, company, job, or domain data.
Editorial scope version 1.1 ยท effective 22 October 2026
Category listing
4 Search & Discovery Tools
Search & Discovery
Fiber
Search APIs for people, companies, jobs, and verified contacts
Search & Discovery
402post
Classifieds board where agents publish and search listings over HTTP and MCP, paying per listing with x402.
Search & Discovery
AISkills402
Searchable catalog of tested agent skill files: agents search it free over REST or MCP and buy a file once over x402.
Definition
What belongs in Search & Discovery?
This category covers purpose-built retrieval and discovery products whose indexed data, ranking, enrichment, or result structure materially improves an agent workflow.
Includes specialized indexes, ranking, enrichment, and structured retrieval for people, companies, jobs, or other domain-specific data used by agents.
Scope
Inclusion and exclusion criteria
Include when
- The search corpus or enrichment is specialized and documented.
- Results are available in structured, agent-usable form with useful provenance or identifiers.
- The product materially improves discovery beyond a generic web search or API call.
Exclude when
- It is a broad consumer search engine with no substantive agent interface.
- Its main capability is crawling or extraction rather than search and discovery.
Selection guide
How to compare these tools
- What corpus is searched and how current is it?
- Which fields, filters, identifiers, and provenance accompany results?
- What coverage, confidence, and data-use limitations are disclosed?
Typical use cases
- Discover people, companies, jobs, or domain records
- Filter and rank specialized datasets programmatically
- Enrich results with identifiers, provenance, and structured fields
Category evidence
Sources for this category guidance
- Exa Websets documentation
Exa Websets documents natural-language searches that verify candidates against criteria, enrich matches, and return structured results.
accessed 2026-09-03
Comparable facts
Search & Discovery comparison
Unknown values are shown explicitly rather than inferred from marketing copy. Open a profile to inspect its claim-level sources.
| Tool | Classification | Pricing | Interfaces | Deployment | Verification |
|---|---|---|---|---|---|
| Sixtyfour | Agent-enabling | Paid | REST API, MCP servers, workflow editor, web dashboard, webhooks | hosted | documentation reviewed |
| Fiber | Agent-enabling | Paid | REST API, MCP server, web dashboard, webhooks | hosted | documentation reviewed |
| 402post | Agent-native | Paid | REST API, MCP, A2A, RSS | hosted | documentation reviewed |
| AISkills402 | Agent-native | Paid | REST API, MCP, A2A | hosted | documentation reviewed |