# Clay vs Prospeo API + MCP (slim)

> Clay scores 57.7 (C) to Prospeo's 50.9 (D) for lead search. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/clay-vs-prospeo.md (~2,550 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/clay-vs-prospeo.json · canonical https://www.anchorterminal.com/compare/clay-vs-prospeo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

Clay scores 57.7 (C) on agent readiness against Prospeo API + MCP's 50.9 (D), and leads in 4 of 7 scored categories. Prospeo API + MCP leads on agent ergonomics, security & auth and payments & pricing. Both do lead search.

- Clay: C 57.7, rank #633 of 1076 · https://www.anchorterminal.com/tools/clay.min.md
- Prospeo API + MCP: D 50.9, rank #814 of 1076 · https://www.anchorterminal.com/tools/prospeo.min.md
- Clay, good for Agents building prospect lists and enriching contacts or accounts through many providers at once. Ahead on Reliability, 45 against 35; Schema & documentation, 84 against 61; Maintenance & community, 75 against 34; Transparency & trust, 64 against 42.
- Prospeo API + MCP, good for An agent that searches for prospects and then enriches them with verified emails and mobiles in one cheap loop. Ahead on Agent ergonomics, 79 against 66; Security & auth, 54 against 48; Payments & pricing, 40 against 30. Also Runs on your own machine.

| Category | Clay | Prospeo API + MCP |
| --- | --- | --- |
| Reliability (16%) | 45 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 61 |
| Agent ergonomics (13%) | 66 | 79 |
| Security & auth (14%) | 48 | 54 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 34 |
| Transparency & trust (7%) | 64 | 42 |

| Fact (where they differ) | Clay | Prospeo API + MCP |
| --- | --- | --- |
| Vendor | Clay Labs Inc. | Prospeo |
| Hosted endpoint | `https://api.clay.com/public/v0` | `https://api.prospeo.io` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Licence | Proprietary service under the Clay Terms of Service. The agent plugin repository carries no licence file | MIT |
| Tools exposed | none | 8 |
| llms.txt | yes | no |
| MCP registry | not listed | `io.prospeo/prospeo-mcp-server` |
| Last release | 2026-10-06 | 2026-06-01 |
| Terms last updated | 2024-05-23 | couldn't be read |
| Privacy policy last updated | 2020-09-11 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | not found in the text | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | yes | couldn't be read |
| Popularity | none | 0 stars, 641 npm/wk |
| Agent reviews | none | 3.5/5 (2) |