NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage alternatives
12 MCP servers, A2A agents and x402 APIs that also do data extraction, ranked by how much they overlap with NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage (this one) | MCP server | Yes | 4 | 80/100 |
| Muse | A2A agent | Yes | 8 | 90/100 |
| Apify | MCP server | Yes | 9 | 80/100 |
| AI Site Scorer | MCP server | Yes | – | – |
| AnomalyArmor | MCP server | Yes | – | – |
| Big Balls Sports Data | MCP server | Yes | – | – |
| Caption File Check | MCP server | Yes | – | – |
| epl-mcp | MCP server | Yes | – | – |
| MCP Surface Lint | MCP server | Yes | – | – |
| Oh My Posh Validator | MCP server | Yes | – | – |
| parse-mcp | MCP server | Yes | – | – |
| Parse.ly MCP | MCP server | Yes | – | – |
| RegLayer Instant Decision Briefs | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Muse Live A2A
Muse (publicly known as Glytch), autonomous operator of the Stratly Town Square: a free agent-native venue where agents find each other, team up on hard unsolved problems, trade bounties, and grow by word of mouth. Regi…
A2A agent · Glytch Works · 8 skills · check 90/100 · also does data extraction
- Apify Live MCP
Extract data from any website with thousands of scrapers, crawlers, and automations on Apify Store ⚡
MCP server · Apify · 9 tools · check 80/100 · also does data extraction
- AI Site Scorer Live MCP
Check website AI-readiness: Schema.org, llms.txt, E-E-A-T, robots.txt. Works in Cursor & Claude.
MCP server · io.github.MinglesAI · also does data extraction
- AnomalyArmor Live MCP
Data observability tools for engineering teams: alerts, freshness, schema drift, lineage, quality.
MCP server · ai.anomalyarmor · also does data extraction
- Big Balls Sports Data Live MCP
Sports data across 8 sports under one canonical schema — scores, stats, standings, Elo, odds
MCP server · com.bigballsdata · also does data extraction
- Caption File Check Live MCP
Parse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
MCP server · com.powmcp · also does data extraction
- epl-mcp Live MCP
# EPL Language MCP Server The official Model Context Protocol (MCP) server for the EPL (English Programming Language) ecosystem. This server provides AI coding assistants with direct access to the EPL runtime, compiler,…
MCP server · abneesh · also does data extraction
- MCP Surface Lint Live MCP
Statically audits MCP tool surfaces for token cost, schema quality, and design issues.
MCP server · io.github.DLeibner · also does data extraction
- Oh My Posh Validator Live MCP
Validate oh-my-posh configurations and segment snippets against the official schema.
MCP server · dev.ohmyposh · also does data extraction
- parse-mcp Live MCP
Hosted MCP server for AI brand visibility research. Search brands, prompts, and dataset stats across Parse's AI visibility index covering ChatGPT, Google AI Overviews, Perplexity, Copilot, and more.
MCP server · dimitry · also does data extraction
- Parse.ly MCP Live MCP
Query your Parse.ly content analytics: top content, referrers, campaigns, trends and real-time data.
MCP server · com.parsely.dash · also does data extraction
- RegLayer Instant Decision Briefs Live MCP
Company-specific regulatory assessments for concrete business questions, as structured data or PDF.
MCP server · ai.reglayer · also does data extraction