Compare observability & evals
Helicone vs NAIF Gravity MCP Diagnostics
Two observability & evals tools for AI agents, side by side. Facts come from each tool's own site.
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| Helicone | NAIF Gravity MCP Diagnostics | |
|---|---|---|
| What it does | AI gateway with routing and LLM observability. | 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 | Helicone / AI Gateway & LLM Observability | Bounded MCP Streamable HTTP discovery diagnostics in Python: JSON/SSE, bearer auth, session lifecycle checks, and offline webhook fixtures. |
| Open source | Yes | Yes |
| Website | helicone.ai | github.com |
| Link checked | 2026-10-20 | 2026-11-04 |
More options:Alternatives to HeliconeAlternatives to NAIF Gravity MCP DiagnosticsGuide: Best observability and eval tools for AI agents
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