Ground Truth Worldwide MCP

This MCP server provides AI agents with cited, time-stamped public facts for any location on Earth, including weather, river levels, floods, earthquakes, disasters, and air quality. It ensures data integrity by including source links, age in seconds, and confidence scores, operating on a free tier with 100 calls per day per agent.

Visit Port1, a service of LLPRO LLC

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Vendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-07Operated by Port1, a service of LLPRO LLC

MCP endpoint (Streamable HTTP)

https://gt.llpro.ai/mcp

Vendor documentation

What its tools do

2 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

2 of 2 have a description · 0 of 2 declare behavior hints · 0 of 1 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

Passed Endpoint answered the live check · Nov 7, 2026, 8:26 PM UTC
Passed Official MCP Registry namespace is tied to gt.llpro.ai · Nov 7, 2026, 8:20 PM UTC
Passed Endpoint is on the registry namespace domain · Nov 7, 2026, 8:20 PM UTC
Availability 1 of 1 checks passed in 30 days

What you can do with it

Retrieve current weather and alerts for any location
Check river gauge heights and flood risks
Monitor earthquakes and active disaster alerts
Get air quality and PM2.5 data

Source and maintenance

Vendor evidenceRegistry 1.0.0

mcp-registry: ai.llpro.gt/ground-truth-worldwide@1.0.0 Project website

Protocol and capabilities

Server: ground-truth-worldwide 1.0.0
MCP protocol negotiated in check: 2025-03-26
Tools: 2 advertised
Resources: Not advertised
Resource templates: Not advertised
Prompts: Not advertised

Server-advertised capabilities

{
  "tools": {}
}

Tools

2 advertised

ground_truth_ask

Advertised by the server during the last successful anonymous check.

Use when you need a current, verifiable real-world fact instead of guessing: get cited, time-stamped public facts for anywhere on Earth: weather, river levels, floods, earthquakes, disasters, air quality, US weather alerts (road closures, power outages, burn bans report 'not connected' until sources exist). Every answer has fact, place, time, source_url, age_seconds, stale, confidence.

ground_truth_ask input schema

{
  "type": "object",
  "required": [
    "topic"
  ],
  "properties": {
    "lat": {
      "type": "number"
    },
    "lon": {
      "type": "number"
    },
    "place": {
      "type": "string",
      "description": "Any place name, e.g. 'Lafayette' or 'Lagos, Nigeria'; or use lat+lon"
    },
    "topic": {
      "enum": [
        "weather",
        "weather_alerts",
        "river_level",
        "flood",
        "earthquakes",
        "disasters",
        "air_quality",
        "road_closures",
        "power_outages",
        "burn_ban"
      ],
      "type": "string"
    },
    "max_age_minutes": {
      "type": "number",
      "description": "Mark answers older than this as stale"
    }
  }
}

ground_truth_sources

Advertised by the server during the last successful anonymous check.

List topics, their sources and whether each is connected.

ground_truth_sources input schema

{
  "type": "object",
  "properties": {}
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks: 1 of 1 (100%)
Average latency: 568 ms
95th percentile latency: 568 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 7, 2026, 8:26 PM UTC · probe · passed · 568 ms · metadata changed · 2 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http ground-truth-worldwide-mcp https://gt.llpro.ai/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add ground-truth-worldwide-mcp --url https://gt.llpro.ai/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable ground-truth-worldwide-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "ground-truth-worldwide-mcp": {
      "url": "https://gt.llpro.ai/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).

Cline configuration

{
  "mcpServers": {
    "ground-truth-worldwide-mcp": {
      "type": "streamableHttp",
      "url": "https://gt.llpro.ai/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start ground-truth-worldwide-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "ground-truth-worldwide-mcp": {
      "type": "http",
      "url": "https://gt.llpro.ai/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http ground-truth-worldwide-mcp https://gt.llpro.ai/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.

Claude Desktop configuration

https://gt.llpro.ai/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "ground-truth-worldwide-mcp": {
      "serverUrl": "https://gt.llpro.ai/mcp"
    }
  }
}

Let your agent find its tools

Find servers like Ground Truth Worldwide MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows

See all 7,097

Do you run Ground Truth Worldwide MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

Claim this listing