MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Data access / search

NWS Weather Alerts

By olyport.com Verified namespace

Active weather alerts and warnings from the National Weather Service

WebsiteMaps, travel & real estate
Connect to NWS Weather Alerts
Checks passed
10 / 22

4 failed · 8 not measured

Median response
530 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
3

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
222

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 530 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name nws-alerts.

  • Pass
    Lists tools

    tools/list returned 3 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 530 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 530 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    0 of 7 parameters have a description (0%). The bar is 80%.

  • Fail
    Safety hints

    3 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Fail
    Recently updated

    Updated 2026-04-02T02:26:37.910806Z, which is older than 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using NWS Weather Alerts

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http nws-weather-alerts https://mcp.olyport.com/nws-alerts/mcp

Capabilities

Tools 3

get_alert_detail

Get full details of a specific NWS weather alert by its ID. Returns the complete alert including description, instructions, and affected areas. Use alert IDs from get_alerts results. Args: alert_id: The full NWS alert ID (e.g. 'urn:oid:2.49.0.1.840.0.xxx').

Discovered
get_alerts

Get active NWS weather alerts for a US state. Returns current weather alerts including watches, warnings, and advisories issued by the National Weather Service. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX', 'NY'). severity: Filter by severity level: 'Extreme', 'Severe', 'Moderate', or 'Minor'. event: Filter by event type (e.g. 'Tornado Warning', 'Flash Flood Watch'). limit: Maximum number of alerts to return (default 25, max 500).

Discovered
get_forecast

Get the weather forecast for a specific latitude/longitude location. Returns a multi-day forecast from the National Weather Service. Works for any location within the United States and its territories. Args: latitude: Latitude of the location (e.g. 38.8894 for Washington DC). longitude: Longitude of the location (e.g. -77.0352 for Washington DC).

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected530 ms3

Related servers

All alternatives

Same function and industry, ranked by checks passed then median latency.

Explore alternatives to NWS Weather Alerts