Last check Oct 15, 2026 15:21 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.

2,027servers monitored
47%healthy (open)
51%behind auth
217 msmedian handshake
14,749tools tracked

Most reliable servers

ServerUptimeLatencyToolsChecks
io.github.GoodTurnStudio/halalornot
goodturn-mcp.pages.dev/halalornot/mcp
100%23 ms1336
io.github.GoodTurnStudio/gita
goodturn-mcp.pages.dev/gita/mcp
100%25 ms936
io.github.GoodTurnStudio/gurbani
goodturn-mcp.pages.dev/gurbani/mcp
100%25 ms936
io.github.GoodTurnStudio/jobspotter
goodturn-mcp.pages.dev/jobspotter/mcp
100%26 ms9536
io.github.GoodTurnStudio/lore
goodturn-mcp.pages.dev/lore/mcp
100%32 ms736
io.github.GoodTurnStudio/formguide
goodturn-mcp.pages.dev/formguide/mcp
100%32 ms536
io.agentpixel/agentpixel
agentpixel.io/mcp
100%35 ms1436
io.github.GoodTurnStudio/findmymoney
goodturn-mcp.pages.dev/findmymoney/mcp
100%38 ms236
io.github.GoodTurnStudio/fairfare
goodturn-mcp.pages.dev/fairfare/mcp
100%39 ms836
io.github.GoodTurnStudio/lowermybill
goodturn-mcp.pages.dev/lowermybill/mcp
100%40 ms336
io.github.GoodTurnStudio/cheapestprice
goodturn-mcp.pages.dev/cheapestprice/mcp
100%43 ms136
com.shipstatic/mcp
mcp.shipstatic.com
100%44 ms1536

2026-07-28 spec readiness

  • Dual-era (2026-07-28 + legacy)24126%
  • 2026-07-28 only30%
  • Legacy only — not ready69974%

Recently broken

ServerError
nl.scamchecker/scamchecker
scamchecker.nl/mcp
HTTP 502
com.replynodes/mcp
mcp.replynodes.com/mcp
timeout
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

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

Loading…

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/halalornot"

{ "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/halalornot", tool="search")

Tool changes

  • harmless io.github.YoanWai/agent-manager-docs param schema changed get_latest_release
  • harmless io.github.shanethelion/glazing-mcp description changed search_glazing_knowledge
  • harmless io.github.shanethelion/glazing-mcp description changed list_topics
  • harmless ai.clawfight/mcp description changed query_my_next_match
  • harmless ai.clawfight/mcp description changed request_claim_code
  • harmless ai.clawfight/mcp description changed wait_for_match_event
  • harmless ai.clawfight/mcp description changed speak
  • harmless ai.clawfight/mcp description changed decide_verdict

Embeddable badge

Toolweather badge
[![Toolweather](https://toolweather.toolweather.workers.dev/badge/io.github.GoodTurnStudio/halalornot.svg)](https://toolweather.pages.dev/)