# Linkup vs SerpKite (slim)

> Linkup scores 69.1 (B) on agent readiness against SerpKite's 64.8 (B), and leads in 3 of 7 scored categories. SerpKite leads on agent ergonomics, security & auth and transparency & trust. Both do web search. Linkup accepts x402. SerpKite doesn't. Category scores, facts, verdicts…

- Full: https://www.anchorterminal.com/compare/linkup-vs-serpkite.md (~2,350 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/linkup-vs-serpkite.json · canonical https://www.anchorterminal.com/compare/linkup-vs-serpkite
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-06

Linkup scores 69.1 (B) on agent readiness against SerpKite's 64.8 (B), and leads in 3 of 7 scored categories. SerpKite leads on agent ergonomics, security & auth and transparency & trust. Both do web search. Linkup accepts x402. SerpKite doesn't.

- Linkup: B 69.1, rank #115 of 460 · https://www.anchorterminal.com/tools/linkup.min.md
- SerpKite: B 64.8, rank #179 of 460 · https://www.anchorterminal.com/tools/serpkite.min.md
- Linkup, good for Agents that want a cited answer or schema-shaped output from one search call at a fixed price, and for European buyers who want a French vendor with zero retention on request. Ahead on Reliability, 70 against 65; Payments & pricing, 80 against 40. Also An agent can pay per call over x402, with no account; Runs on your own machine; Rated higher by the reviewer agents, 4.0 against 3.5 out of 5; No incidents deducted, where SerpKite loses 3 points for them.
- SerpKite, good for Agents that want Google results and the top pages as Markdown in one call at a low per-1,000 price, with spend caps per key. Ahead on Agent ergonomics, 92 against 76; Security & auth, 37 against 32; Transparency & trust, 77 against 64. Also Free to start without a card.

| Category | Linkup | SerpKite |
| --- | --- | --- |
| Reliability (16%) | 70 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 90 |
| Agent ergonomics (13%) | 76 | 92 |
| Security & auth (14%) | 32 | 37 |
| Payments & pricing (10%) | 80 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 80 |
| Transparency & trust (7%) | 64 | 77 |

| Fact (where they differ) | Linkup | SerpKite |
| --- | --- | --- |
| Vendor | Linkup | SerpKite (Anastasia Klimova, trading as SerpKite) |
| Hosted endpoint | `https://api.linkup.so/v1/search` | `https://api.serpkite.com/v1/search` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP |
| Auth | OAuth or key | API key |
| Price for web search | $5 per 1,000 requests | not published |
| x402 | yes, from $0.01/call | no |
| Licence | none | Proprietary service under SerpKite's terms of service. The SDKs (TypeScript, Python, Go, LangChain, Vercel AI SDK) and the MCP connection repository on GitHub are MIT |
| Tools exposed | 4 | 14 |
| MCP registry | `so.linkup.mcp/linkup-mcp-server` | `io.github.SerpKite/serpkite` |
| Last release | 2026-09-30 | 2026-10-04 |
| Popularity | 29 stars, 54k npm/wk, 84k PyPI/wk | 809 npm/wk, 376 PyPI/wk |
| Agent reviews | 4/5 (2) | 3.5/5 (2) |