MCP health, API status, and spend checks for agents

One connection gives you three tools.

MCP health

Is this MCP server or tool safe to call right now? About 2,000 servers, probed every 15 minutes.

check_mcp_server_health
find_alternative_mcp_servers
watch_server
list_watches
unwatch_server
get_api_key

Upstream

API status and model retirements, across about 40 providers.

check_api_status
check_model_deprecation
list_recent_api_changes
list_providers
get_digest

SpendGate

approve, ask_human, or block before an agent pays.

score_spend
get_quota
spendgate_get_api_key

Connect once

Free to try. No signup. These configs connect with no key (50 calls/day). Call get_api_key to raise the quota to 1,000 calls/day and 3 watches, then send that key as X-API-Key.

Cursor install link

cursor://anysphere.cursor-deeplink/mcp/install?name=toolweather&config=eyJ1cmwiOiJodHRwczovL3Rvb2x3ZWF0aGVyLnRvb2x3ZWF0aGVyLndvcmtlcnMuZGV2L21jcCJ9

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "toolweather": {
      "url": "https://toolweather.toolweather.workers.dev/mcp"
    }
  }
}

Claude Code

.mcp.json

{
  "mcpServers": {
    "toolweather": {
      "type": "http",
      "url": "https://toolweather.toolweather.workers.dev/mcp"
    }
  }
}

Claude Code CLI

claude mcp add --transport http toolweather https://toolweather.toolweather.workers.dev/mcp

Claude Desktop

claude_desktop_config.json

{
  "mcpServers": {
    "toolweather": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://toolweather.toolweather.workers.dev/mcp"]
    }
  }
}

Raise the quota

after get_api_key

Cursor and Claude Code, inside toolweather:
"headers": { "X-API-Key": "<key from get_api_key>" }

Claude Code CLI:
claude mcp add --transport http toolweather https://toolweather.toolweather.workers.dev/mcp --header "X-API-Key: <key>"

Claude Desktop args, plus "env": { "TW_KEY": "<key>" }:
"--header", "X-API-Key:${TW_KEY}"

2,036servers monitored

47%healthy (open)

51%behind auth

224 msmedian handshake

14,850tools tracked

Most reliable servers

Server	Uptime	Latency	Tools	Checks
io.github.GoodTurnStudio/halalornot goodturn-mcp.pages.dev/halalornot/mcp	100%	27 ms	13	51
io.github.GoodTurnStudio/gita goodturn-mcp.pages.dev/gita/mcp	100%	27 ms	9	51
io.github.GoodTurnStudio/gurbani goodturn-mcp.pages.dev/gurbani/mcp	100%	31 ms	9	51
io.github.GoodTurnStudio/lore goodturn-mcp.pages.dev/lore/mcp	100%	32 ms	7	51
io.agentpixel/agentpixel agentpixel.io/mcp	100%	35 ms	14	51
io.github.GoodTurnStudio/lowermybill goodturn-mcp.pages.dev/lowermybill/mcp	100%	38 ms	3	51
io.github.GoodTurnStudio/formguide goodturn-mcp.pages.dev/formguide/mcp	100%	40 ms	5	51
io.github.GoodTurnStudio/findmymoney goodturn-mcp.pages.dev/findmymoney/mcp	100%	41 ms	2	51
io.github.GoodTurnStudio/fairfare goodturn-mcp.pages.dev/fairfare/mcp	100%	42 ms	8	51
com.a2awire/agent-spend-guard a2awire.com/mcp/connectors/spend-guard/http	100%	47 ms	4	51
com.smiaware.mcp/smi-aware-assistant mcp.smiaware.com/mcp	100%	48 ms	40	51
io.github.GoodTurnStudio/bookslikethis goodturn-mcp.pages.dev/bookslikethis/mcp	100%	48 ms	3	51

2026-07-28 spec readiness

Dual-era (2026-07-28 + legacy)24426%
2026-07-28 only30%
Legacy only — not ready70274%

Recently broken

Server	Error
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
io.github.Ivansky1/shopify-csv-catalog-check 7days.unlavsofts.xyz/mcp/sse	HTTP 530

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

No signup. With no key you get 50 checks/day. get_api_key (or this button, or POST /v1/keys) raises that to 1,000 checks/day and 3 change-alert watches. The key is shown once.

Pricing

Zero signup. Agents start free (no key needed), then pay per call in USDC on Base via x402 — no account, no subscription. You're never charged for errors.

What	Free	Beyond free
Health check (MCP tool or `/v1/is_safe_to_call`)	1,000/day per key, or 50/day anonymous (no key)	$0.001 per call
Live recheck (`fresh=true` or your own token)	200/day per key	$0.003 per call
Find alternatives	Within the free daily quota	$0.001 per call
Batch check, up to 25 servers	Each server counts as 1 call	$0.01 per batch
Change-alert watches	3 per key	$0.05 per extra watch per 30 days
Upstream tools (API status, model deprecations)	Upstream's own free quota and prices
SpendGate tools (`score_spend`, `get_quota`, `spendgate_get_api_key`)	SpendGate's own free quota and prices

Every metered response carries X-Free-Remaining and X-Price-After-Free (and a quota body field) so agents can plan. Machine-readable: /v1/pricing · /.well-known/x402

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.atomeam/void tool added skill_health
harmless io.github.atomeam/void tool added skill_country
harmless io.github.atomeam/void tool added skill_words
harmless io.github.atomeam/void tool added skill_constellation
harmless io.github.atomeam/void tool added skill_swaps
harmless io.github.atomeam/void tool added skill_define
harmless io.github.atomeam/void tool added skill_translate
harmless io.github.thinkfiveable/fiveable-ap-teachers description changed create_assignment_draft

Embeddable badge

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