# TrueFixR + AtlasCast (remote · mcp.atlasunited.io)

Address-level storm event data and forecasted property risk API for AI agents

- Trust score: 68/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-28

## Components

- remote · `mcp.atlasunited.io`: 68/100 (this document), [markdown](https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp.md), [page](https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp)

## Channel facts

- Endpoint: `https://mcp.atlasunited.io/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `1.0.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-28.

- **Endpoint Security**: 74/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one.
  - HTTPS is enforced; there's no plaintext access path.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 59/100
  - AI-judged instruction clarity (excellent).
  - Context-footprint check failed: tool/resource definitions use about 2403 tokens (~400/item across 6 items; 6 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability check failed: schema churn in the 4 days we've observed: 4 tool removals, 0 breaking changes, 0 auth/transport breaks, 6 additions.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 7 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a current MCP spec version (2026-07-28).

## Install

### How do I install the TrueFixR + AtlasCast MCP server?

TrueFixR + AtlasCast is a hosted endpoint at https://mcp.atlasunited.io/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add --transport http truefixr-atlascast-truefixr 'https://mcp.atlasunited.io/mcp'
```

### Cursor

```json
{
  "mcpServers": {
    "truefixr-atlascast-truefixr": {
      "url": "https://mcp.atlasunited.io/mcp"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "truefixr-atlascast-truefixr": {
      "type": "http",
      "url": "https://mcp.atlasunited.io/mcp"
    }
  }
}
```

### Codex

```toml
[mcp_servers.truefixr-atlascast-truefixr]
url = "https://mcp.atlasunited.io/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "truefixr-atlascast-truefixr": {
      "type": "remote",
      "url": "https://mcp.atlasunited.io/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add truefixr-atlascast-truefixr --url 'https://mcp.atlasunited.io/mcp' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  truefixr-atlascast-truefixr:
    url: "https://mcp.atlasunited.io/mcp"
```

### Netclaw

```json
{
  "McpServers": {
    "truefixr-atlascast-truefixr": {
      "Transport": "http",
      "Url": "https://mcp.atlasunited.io/mcp"
    }
  }
}
```

### Vellum

```bash
assistant mcp add truefixr-atlascast-truefixr -t streamable-http -u 'https://mcp.atlasunited.io/mcp'
```

### Other

```json
{
  "mcpServers": {
    "truefixr-atlascast-truefixr": {
      "type": "http",
      "url": "https://mcp.atlasunited.io/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-28 (score 68, +7)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-09-27 (score 61, +10)

- [security improvement] Judged manipulation: unverified → pass
- [security] Tool “get_risk_forecast” rewrote its description, which is the text the model reads
- [functional improvement] Schema quality: unverified → excellent
- [cosmetic] “get_current_weather” added an optional parameter “hours_ahead”
- [cosmetic] “get_weather_data” added an optional parameter “hours_ahead”

### 2026-09-26 (score 51, −12)

- [security regression] Judged manipulation: pass → unverified
- [security] The server rewrote its instructions, which are the text every model session reads
- [security] Tool “get_address_report” rewrote its description, which is the text the model reads
- [security] Tool “get_weather_data” rewrote its description, which is the text the model reads
- [functional regression] Schema quality: 277 → 385
- [functional regression] Schema quality: excellent → unverified
- [functional] New tool “get_current_weather”
- [functional] New tool “get_property_storm_history_report”
- [cosmetic] “get_risk_forecast” added an optional parameter “peril”
- [cosmetic] “get_risk_forecast” added an optional parameter “window”
- [cosmetic] “get_weather_data” added an optional parameter “category”
- [cosmetic] “get_weather_data” added an optional parameter “date_of_loss”
- [cosmetic] “get_weather_data” added an optional parameter “details”
- [cosmetic] “get_weather_data” added an optional parameter “kind”
- [cosmetic] “get_weather_data” added an optional parameter “limit”
- [cosmetic] “get_weather_data” added an optional parameter “months”
- [cosmetic] “get_weather_data” added an optional parameter “radius_mi”
- [cosmetic] “get_weather_data” added an optional parameter “window”
- [cosmetic] “get_storm_history” reworded the description of “peril”
- [cosmetic] “get_weather_data” reworded the description of “peril”
- [cosmetic] Tool “get_address_report” changed its title: Single address report → Property snapshot (365-day storm history + forecast)

### 2026-09-25 (score 63, +1)

- [security regression] Stability: unverified → fail
- [security regression] A breaking change shipped without a version bump: still 2.5.1
- [security regression] Tool “get_hazard_forecast” was removed
- [security regression] Tool “get_storm_preview” was removed
- [security regression] Tool “lookup_address_hazard” was removed
- [security regression] Tool “query_weather_data” was removed
- [functional] Schema quality: good → excellent
- [functional] New tool “get_address_report”
- [functional] New tool “get_risk_forecast”
- [functional] New tool “get_storm_history”
- [functional] New tool “get_weather_data”

### 2026-09-24 (score 62)

First indexed and scored.

## MCP tools (6)

### `get_weather_data` (~1050 tokens)

Get weather data (advanced / multi-county)

General-purpose query -- supports every real dataset (see the enum below). Prefer the dedicated convenience tools when they fit: get_storm_history (one county's past storms), get_risk_forecast (one county's forecast), get_address_report (one property's 365-day snapshot), get_property_storm_history_report (one property's full 2003-present multi-peril archive), get_current_weather (live point weather). Use THIS tool directly for 'coverage' (county coverage check), 'facilities', 'wildfire', 'at_risk', 'daily', or a 'counties' multi-county rollup (comma-separated, max 15), or any parameter combination the dedicated tools don't expose (radius_mi, date_of_loss, window, months, category, limit, kind, details). Call with no arguments to get the full API menu. addresses=false (default) is a FREE preview -- shape varies by dataset (counts/severities for storms, line count + price for history, full field response for weather). addresses=true (or details=true for weather) returns the real paid data and requires the user's own Atlas United Data API account key, or an x402 crypto payment. HARD RULE when called with no arguments: this returns the full menu. Output that entire raw response back to the user verbatim -- every dataset, every field, every example. Do not summarize or paraphrase. A shortened version is wrong even if it looks complete.

Input parameters:

- `address` (string): Street address, for dataset=address.
- `addresses` (boolean): false = free preview. true = address-level records -- requires EITHER the user's own Atlas United Data API account key (Authorization header) OR an x402 payment (see x_payment param below); no accoun…
- `category` (string): dataset=facilities only. Facility category filter.
- `counties` (string): Comma-separated county names (max 15) plus state, for a multi-county rollup. Free preview only.
- `county` (string): County name without the word 'County', e.g. Dallas.
- `dataset` (string): Target dataset. Default storms.
- `date_of_loss` (string): dataset=history only. YYYY-MM-DD. Anchors the report around this date -- returns a real yes/no on whether weather data supports a loss that day, plus real events immediately before and after it.
- `days` (integer): Look-back window in days where supported.
- `details` (boolean): dataset=weather only. true = full 164-field pull, billed $0.0002/call. false (default) = free 10-field lean response, no account needed. Equivalent to addresses=true for this dataset.
- `format` (string): Response format. json (default) or csv.
- `hours_ahead` (integer): dataset=weather only. Real HRRR forecast 0-48h out instead of current conditions -- snaps to the nearest real available forecast hour, response's forecast_hour_used says exactly what you got.
- `kind` (string): dataset=at_risk only. Narrows to 'schools' or 'businesses'.
- `lat` (number): Latitude in decimal degrees.
- `limit` (integer): Max records on the real paid pull (default 2000, real per-dataset caps still apply -- e.g. storms caps at 5000).
- `lon` (number): Longitude in decimal degrees.
- `max_severity` (number): Maximum measured severity.
- `min_severity` (number): Minimum measured severity (e.g. 1.5 = 1.5 inch hail). Check severity_by_type in a preview for the real unit.
- `months` (integer): dataset=storms only. Returns month-bucketed history totals instead of individual leads, for the last N months.
- `peril` (string): Storm/risk type filter. Used by dataset=storms and dataset=risk (narrows to one storm type -- use the exact names returned under storm_types in a free preview) and by dataset=at_risk (narrows to one…
- `radius_mi` (number): dataset=history or dataset=weather only. Search radius in miles. Default 5, max 25.
- `state` (string): 2-letter US state code, e.g. TX.
- `window` (string): dataset=risk only. Forecast window. Default 24h.
- `x_payment` (string): Optional. A signed x402 protocol payment payload (base64), used instead of an API key to pay for ONE address-level pull in USDC on Base network. If addresses=true and neither an API key nor x_payment…

### `get_storm_history` (~232 tokens)

Past storm history

FREE preview of reported and radar-detected past storm events (hail, wind, tornado, flooding) for a county: event counts, storm types, measured severities and repeat-hit properties.

Input parameters:

- `county` (string, required): County name without the word 'County', e.g. Dallas.
- `days` (integer): Look-back window in days (up to 365).
- `min_severity` (number): Minimum severity, e.g. 1.75 for golf-ball hail.
- `peril` (string): Storm/risk type filter. Used by dataset=storms and dataset=risk (narrows to one storm type -- use the exact names returned under storm_types in a free preview) and by dataset=at_risk (narrows to one…
- `state` (string, required): 2-letter US state code, e.g. TX.

### `get_risk_forecast` (~139 tokens)

Storm risk forecast

FREE AtlasCast forecast for a county: severe weather risk for future leads over the coming days, with county risk grades and property exposure. Forecast risk, not storms that already happened. Refreshed several times a day from NOAA models.

Input parameters:

- `county` (string, required): County name without the word 'County', e.g. Dallas.
- `peril` (string): Narrows the forecast to one storm type -- check a free preview's storm_types for real values available in this window.
- `state` (string, required): 2-letter US state code, e.g. TX.
- `window` (string): Forecast window. Default 24h.

### `get_property_storm_history_report` (~286 tokens)

Full property storm history (2003-present, all perils)

The FULL real archive for one property: hail, wind, flood/heavy rain, lightning, and tornado, 2003 to present, in one report -- not the 365-day snapshot (use get_address_report for that). Free preview shows the real report-line count and exact price before anything is paid. Paid report is billed per real report line: $0.05/line, $10.00 minimum per report. Optional date_of_loss anchors the report around one specific date with a real yes/no on whether weather data supports a loss that day, plus the real events immediately before and after it.

Input parameters:

- `address` (string): Street address. Real server-side geocoding -- no separate geocoding step needed.
- `addresses` (boolean): false = free preview (line count + price). true = the real full report -- requires the user's own Atlas United Data API account key, or an x402 payment.
- `date_of_loss` (string): Optional, YYYY-MM-DD. Anchors the report around this date.
- `lat` (number): Latitude, alternative to address.
- `lon` (number): Longitude, alternative to address.
- `radius_mi` (number): Search radius in miles. Default 5, max 25.
- `x_payment` (string): Optional signed x402 payment payload, used instead of an API key.

### `get_current_weather` (~238 tokens)

Live point weather (TrackCast)

Real live point-in-time weather for ANY US coordinate -- 164 real HRRR-based fields, hourly refresh, plus MRMS precip nowcast and NWS severe alerts. FREE by default: the lean 10-field response needs no account. details=true returns the full 164-field pull, billed $0.0002/call (not per-address).

Input parameters:

- `address` (string): Street address. Real server-side geocoding -- no separate geocoding step needed.
- `details` (boolean): true = full 164-field pull, $0.0002/call, requires an API key or x402 payment. false (default) = free 10-field lean response.
- `hours_ahead` (integer): Real HRRR forecast 0-48h out instead of current conditions -- snaps to the nearest real available forecast hour, response's forecast_hour_used says exactly what you got.
- `lat` (number): Latitude, alternative to address.
- `lon` (number): Longitude, alternative to address.
- `x_payment` (string): Optional signed x402 payment payload, used instead of an API key when details=true.

### `get_address_report` (~146 tokens)

Property snapshot (365-day storm history + forecast)

ONE property, 365-day snapshot: past storm history (up to 365 days back, not the full archive) plus current forecast risk. Give an address with county+state, or lat/lon. For the FULL 2003-present multi-peril archive use get_property_storm_history_report instead -- this tool's real history window is capped at 365 days.

Input parameters:

- `address` (string): Street address.
- `county` (string): County name without the word 'County', e.g. Dallas.
- `lat` (number): Latitude.
- `lon` (number): Longitude.
- `state` (string): 2-letter US state code, e.g. TX.

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp#diagnostics

## Score history

- 2026-09-28: 68
- 2026-09-27: 61
- 2026-09-26: 51
- 2026-09-25: 63
- 2026-09-24: 62

## Common questions

### What is the TrueFixR + AtlasCast MCP server?

TrueFixR + AtlasCast is an MCP server listed in the public MCP registry as io.github.truefixr/atlascast-truefixr. Address-level storm event data and forecasted property risk API for AI agents. This page covers its hosted endpoint (https://mcp.atlasunited.io/mcp).

### Is the TrueFixR + AtlasCast MCP server safe to use?

TrueFixR + AtlasCast scores 68 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the TrueFixR + AtlasCast MCP server expose?

TrueFixR + AtlasCast exposes 6 tools: get_weather_data, get_storm_history, get_risk_forecast, get_property_storm_history_report, get_current_weather, get_address_report. Their descriptions and schemas cost roughly 2,091 tokens of context every time the server is loaded.

### Does the TrueFixR + AtlasCast MCP server require authentication?

No. We connected to TrueFixR + AtlasCast without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the TrueFixR + AtlasCast MCP server still maintained?

TrueFixR + AtlasCast is still listed as active in the MCP registry. We last reached this channel on 28 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

## Links

- Remote endpoint: https://mcp.atlasunited.io/mcp
- Repository: https://github.com/truefixr/atlascast-truefixr
- Website: https://truefixr.com/api
- Changelog RSS feed: https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp.json
- HTML version of this page: https://verifymcp.io/servers/truefixr-atlascast-truefixr/mcp