Compare observability & evals
LangSmith vs NAIF Gravity MCP Diagnostics
Two observability & evals tools for AI agents, side by side. Facts come from each tool's own site.
LangSmith
langchain.comLangChain's tracing and monitoring platform for agents and LLM apps.
Visit LangSmith
NAIF Gravity MCP Diagnostics
github.comOpen-source Python CLI that checks an MCP Streamable HTTP server's discovery handshake (initialize, session, tools/list) and reports pass or fail, with JSON output for agents and CI. It never calls tools. Run from a clone with python3 tools/mcp_health_check.py <url>.
Visit NAIF Gravity MCP Diagnostics| LangSmith | NAIF Gravity MCP Diagnostics | |
|---|---|---|
| What it does | LangChain's tracing and monitoring platform for agents and LLM apps. | Open-source Python CLI that checks an MCP Streamable HTTP server's discovery handshake (initialize, session, tools/list) and reports pass or fail, with JSON output for agents and CI. It never calls tools. Run from a clone with python3 tools/mcp_health_check.py <url>. |
| In their words | LangSmith: Agent & LLM Observability Platform | Bounded MCP Streamable HTTP discovery diagnostics in Python: JSON/SSE, bearer auth, session lifecycle checks, and offline webhook fixtures. |
| Open source | No | Yes |
| Website | langchain.com | github.com |
| Link checked | 2026-10-20 | 2026-11-04 |
More options:Alternatives to LangSmithAlternatives to NAIF Gravity MCP DiagnosticsGuide: Best observability and eval tools for AI agents
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