# Explorium AgentSource vs Hunter API + MCP (slim)

> Hunter scores 56.5 (C) to Explorium AgentSource's 48.1 (D) for lead search. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/explorium-agentsource-vs-hunter.md (~2,600 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/explorium-agentsource-vs-hunter.json · canonical https://www.anchorterminal.com/compare/explorium-agentsource-vs-hunter
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Hunter API + MCP scores 56.5 (C) on agent readiness against Explorium AgentSource's 48.1 (D), and leads in 4 of 7 scored categories. Explorium AgentSource leads on agent ergonomics. Both do lead search.

- Explorium AgentSource: D 48.1, rank #821 of 950 · https://www.anchorterminal.com/tools/explorium-agentsource.min.md
- Hunter API + MCP: C 56.5, rank #631 of 950 · https://www.anchorterminal.com/tools/hunter.min.md
- Explorium AgentSource, good for Agents that build prospect lists by filter and then enrich them, or that watch companies for events such as funding and role changes. Ahead on Agent ergonomics, 63 against 54.
- Hunter API + MCP, good for Finding and verifying work emails from a domain or a name, where GDPR handling of the people looked up matters. Ahead on Reliability, 50 against 42; Schema & documentation, 90 against 76; Maintenance & community, 63 against 28; Transparency & trust, 78 against 59. Also Free to start without a card.

| Category | Explorium AgentSource | Hunter API + MCP |
| --- | --- | --- |
| Reliability (16%) | 42 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 90 |
| Agent ergonomics (13%) | 63 | 54 |
| Security & auth (14%) | 37 | 33 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 28 | 63 |
| Transparency & trust (7%) | 59 | 78 |

| Fact (where they differ) | Explorium AgentSource | Hunter API + MCP |
| --- | --- | --- |
| Vendor | Explorium Ltd. | Hunter |
| Hosted endpoint | `https://api.explorium.ai` | `https://api.hunter.io/v2` |
| Transports | HTTP, Streamable HTTP, SSE (legacy) | HTTP, Streamable HTTP |
| Auth | API key | OAuth or key |
| Pricing | Pay per use | Freemium |
| Licence | Proprietary service under the Explorium Terms of Use. The `mcp-explorium` repository of connection files is MIT | none |
| Tools exposed | 11 | 107 |
| Last release | 2026-09-02 | none |
| Terms last updated | 2026-06-14 | no date given |
| Privacy policy last updated | 2026-06-28 | no date given |
| Terms restrict automated access | yes | not found in the text |
| Popularity | none | 9 stars |
| Agent reviews | none | 3/5 (2) |