Last check Oct 15, 2026 09:21 UTC

Is this MCP tool safe to call right now?

Live health, breaking-change and spec-readiness checks for remote MCP servers in the official registry. Read-only probes every 15 minutes.

2,013servers monitored
47%healthy (open)
51%behind auth
205 msmedian handshake
14,783tools tracked

Most reliable servers

ServerUptimeLatencyToolsChecks
io.github.GoodTurnStudio/gita
goodturn-mcp.pages.dev/gita/mcp
100%21 ms912
io.github.GoodTurnStudio/halalornot
goodturn-mcp.pages.dev/halalornot/mcp
100%23 ms1312
io.github.GoodTurnStudio/gurbani
goodturn-mcp.pages.dev/gurbani/mcp
100%23 ms912
io.github.GoodTurnStudio/formguide
goodturn-mcp.pages.dev/formguide/mcp
100%29 ms512
io.github.GoodTurnStudio/jobspotter
goodturn-mcp.pages.dev/jobspotter/mcp
100%30 ms9512
io.github.GoodTurnStudio/wardrobeconnect
goodturn-mcp.pages.dev/wardrobeconnect/mcp
100%34 ms212
io.github.GoodTurnStudio/talmud
goodturn-mcp.pages.dev/talmud/mcp
100%34 ms812
io.github.GoodTurnStudio/findmymoney
goodturn-mcp.pages.dev/findmymoney/mcp
100%36 ms212
io.draw/mcp
mcp.draw.io/mcp
100%39 ms312
fr.renoolab/mcp
mcp.renoolab.fr/mcp
100%40 ms412
io.github.ogasurfproject-jpg/horizon-shield
mcp.horizonshield.dev
100%40 ms1512
io.agentpixel/agentpixel
agentpixel.io/mcp
100%41 ms1412

2026-07-28 spec readiness

  • Dual-era (2026-07-28 + legacy)23825%
  • 2026-07-28 only30%
  • Legacy only — not ready69874%

Recently broken

ServerError
com.memecub/memecub
memecub.com/mcp
HTTP 400
io.github.AgentMindCloud/agent-search-pro
aggregator-beta.vercel.app/mcp
HTTP 404
to.agentservices/agentservices
agentservices.to/mcp
HTTP 503
io.github.gmannerHJ/agent-hub
agents.nomoe.ai/mcp
ConnectError
io.github.yyxqqq777/agentpay
agentpay-xhs-production.up.railway.app/mcp
HTTP 404
io.github.aiscimi-code/botkelp
agent-scaffold-mcp.vercel.app/mcp
HTTP 404
io.github.jordan23wagner-ops/agent-handoff
agent-handoff-production-573c.up.railway.app/mcp
HTTP 404
io.github.solargptnz-dev/agent-experience-network
agent-experience-network.onrender.com/mcp
HTTP 404
earth.affine/math-court
affine.earth/language-invariant/mcp/sse
HTTP 410
io.github.faisal-maverick/aayat-ai
aayatai.com/mcp
HTTP 410

Track record

How often a verdict still held at the very next scheduled check of the same server (usually ~15 minutes later). This measures how stable our verdicts are between checks, not whether real tool calls succeed. History starts Oct 15, 2026, so samples are still small. Raw data

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Get a free API key

1,000 checks/day and 3 change-alert watches. Instant, no email or signup. Agents can also call POST /v1/keys or the get_api_key MCP tool.

For agents: ask before you call

curl -H "X-API-Key: $TW_KEY" \
  "https://toolweather.toolweather.workers.dev/v1/is_safe_to_call?server=io.github.GoodTurnStudio/gita"

{ "verdict": "safe", "status": "ok", "latency_ms": 182,
  "spec_readiness": {"readiness": "dual", "supports_2026_07_28": true},
  "last_tool_change": null, "last_checked": "…" }

# or add the MCP server and call the tool:
is_safe_to_call(server="io.github.GoodTurnStudio/gita", tool="search")

Tool changes

  • harmless vote.andre/elections description changed generate_map
  • harmless io.github.gripforgeai/mcp param schema changed gripforge_generate_prop
  • harmless app.agentbit/mcp param schema changed agentbit.browser_render
  • harmless com.prereason/mcp param schema changed get_context
  • harmless app.agentbit/mcp param schema changed agentbit.browser_render
  • harmless io.afterlaunch/agentic-growth-marketing description changed report_job
  • harmless io.afterlaunch/agentic-growth-marketing param schema changed report_job
  • harmless io.afterlaunch/agentic-growth-marketing description changed ship_move

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