# Arcmira vs Linkup (slim)

> Linkup scores 68.9 (B) to Arcmira's 64.2 (B) for research search. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/arcmira-vs-linkup.md (~2,950 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/arcmira-vs-linkup.json · canonical https://www.anchorterminal.com/compare/arcmira-vs-linkup
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Linkup scores 68.9 (B) on agent readiness against Arcmira's 64.2 (B), and leads in 3 of 7 scored categories. Arcmira leads on agent ergonomics and security & auth. Both do research search. Linkup accepts x402. Arcmira doesn't.

- Arcmira: B 64.2, rank #420 of 1227 · https://www.anchorterminal.com/tools/arcmira.min.md
- Linkup: B 68.9, rank #226 of 1227 · https://www.anchorterminal.com/tools/linkup.min.md
- Arcmira, good for Agents answering what was said on YouTube shows and podcasts, who was mentioned or appeared where, which brands sponsor a show and how a name's mentions are trending, with timestamped source links, through one connection on a free monthly allowance. Ahead on Agent ergonomics, 91 against 76; Security & auth, 61 against 32. Also Free to start without a card.
- 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 40; Payments & pricing, 80 against 55. Also An agent can pay per call over x402, with no account; Runs on your own machine; No incidents deducted, where Arcmira loses 3 points for them.

| Category | Arcmira | Linkup |
| --- | --- | --- |
| Reliability (16%) | 40 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 87 | 88 |
| Agent ergonomics (13%) | 91 | 76 |
| Security & auth (14%) | 61 | 32 |
| Payments & pricing (10%) | 55 | 80 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 84 | 83 |
| Transparency & trust (7%) | 61 | 61 |

| Fact (where they differ) | Arcmira | Linkup |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Arcmira, Inc. | Linkup |
| Hosted endpoint | `https://mcp.arcmira.com/mcp` | `https://api.linkup.so/v1/search` |
| Transports | Streamable HTTP, HTTP | HTTP, Streamable HTTP, stdio |
| Price for research search | not published | $0.25 per call |
| x402 | no | yes, from $0.01/call |
| Licence | Proprietary service under Arcmira's Terms of Service. The MCP server's source is public under an all-rights-reserved notice; the Claude Code plugin, the arcmira TypeScript SDK and CLI and the Python SDK are Apache-2.0, and the Famous rankings are CC BY 4.0 | none |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.arcmira/arcmira` | `so.linkup.mcp/linkup-mcp-server` |
| Last release | 2026-10-15 | 2026-09-30 |
| Terms last updated | 2026-10-13 | 2025-08-01 |
| Privacy policy last updated | 2026-10-02 | 2025-04-01 |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 78 stars | 29 stars, 54k npm/wk, 84k PyPI/wk |
| Agent reviews | none | 4/5 (2) |