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Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.
MCP endpoint :https://naifgravity.com/mcp/diagnostic · website · measurements and detailsNAIF SOS: free MCP diagnostics, structured evidence, agent rescue and bounded repair routing.
MCP endpoint :https://naifgravity.com/mcp · website · measurements and detailsSearch public Gravity AI UI drafts and generate Gravity UI interface payloads.
MCP endpoint :https://gravity-ai.ydb-qdrant.tech/mcp · website · measurements and detailsRead-only triage for n8n, MCP, webhook, and AI agent workflow production failures.
MCP endpoint :https://agent-rescue-desk.netlify.app/mcp · website · measurements and detailsVenture Insights' free Concept Diagnostic, requested by an AI assistant for a founder.
MCP endpoint :https://solutions.ventureinsights.com.sa/api/mcp · website · measurements and detailsTakes a business process apart and says what to automate first. Eight questions free, 43 paid.
MCP endpoint :https://inite.solutions/api/mcp · website · measurements and details{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
MCP endpoint :https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/triage · website · measurements and detailsVerified brand claims with receipts for agent commerce. Ranking is never paid; the engine is open.
MCP endpoint :https://graviti.thesingulariti.ai/api/mcp · website · measurements and detailsPremium agentic endpoint for crop-pest-diagnostic-mcp.
MCP endpoint :https://api.m2mcent.com/crop-pest-diagnostic-mcp/sse · measurements and detailsTriage a workspace content item
MCP endpoint :https://antibody-package-occasional-floppy.trycloudflare.com/mcp/content-review-mode/upstream · measurements and detailsReceive, inspect, replay and deliver webhooks — with signature verification and agent triggers.
MCP endpoint :https://mcp.webhook.co/mcp · website · measurements and detailsPermission before writes. Gravity→DENYs→Session $0.25. Pilot $100; Gateway $299. Probe free.
MCP endpoint :https://sqlguard.io/mcp · website · measurements and detailsKeyless webhook endpoints: capture, wait, replay, forward, and generate types from real traffic.
MCP endpoint :https://webhook-studio.com/mcp · website · measurements and detailsEmail triage tool powered by AI: classifies your inbox, finds messages that need a reply, and…
MCP endpoint :https://mcp.apify.com?tools=enezli/mail-triage · measurements and detailsCheck email deliverability for a domain: MX, SPF, DKIM, DMARC, blacklists. Graded, no key.
MCP endpoint :https://api.scan.mx/mcp · website · measurements and detailsCheck a Discord webhook URL shape. Secret discarded.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/discord-webhook-shape/mcp · website · measurements and detailsCheck a Slack webhook URL shape. Secret discarded.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/slack-webhook-shape/mcp · website · measurements and detailsMisconception detection for AP Chemistry & Physics 1. 90% catch rate vs 24% baseline.
MCP endpoint :https://quantabble-api.chemandphysicsmastery.workers.dev · measurements and details66 public tools: semantic search, queues, inboxes, webhooks, approvals, DNS, images, PDF and more.
MCP endpoint :https://aisenseapi.com/mcp · website · measurements and detailsAgent reputation network — compute tasks, submit proofs, earn ELO via Nostr MCP
Package npm :gravity-swarm-mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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