# Laminar API + MCP vs LangSmith API + MCP (slim)

> LangSmith API + MCP has a score of 71.3 (BB) against Laminar API + MCP's 57 (C). Both do obs traces. The largest gap is security & auth, 32 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/laminar-vs-langsmith.md (~1,650 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/laminar-vs-langsmith.json · canonical https://www.anchorterminal.com/compare/laminar-vs-langsmith
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

LangSmith API + MCP has a score of 71.3 (BB) against Laminar API + MCP's 57 (C). Both do obs traces. The largest gap is security & auth, 32 points.

- Laminar API + MCP: C 57, rank #298 of 452 · https://www.anchorterminal.com/tools/laminar.min.md
- LangSmith API + MCP: BB 71.3, rank #85 of 452 · https://www.anchorterminal.com/tools/langsmith.min.md
- Pick Laminar API + MCP for nothing in particular. Pick LangSmith API + MCP for reliability (+31), security & auth (+32), payments & pricing (+10), transparency & trust (+12).

| Category | Laminar API + MCP | LangSmith API + MCP |
| --- | --- | --- |
| Reliability (16%) | 50 | 81 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 88 | 86 |
| Agent ergonomics (13%) | 80 | 76 |
| Security & auth (14%) | 45 | 77 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 85 |
| Transparency & trust (7%) | 66 | 78 |