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Search USGS and EMSC seismic data — real-time earthquake feeds, event queries, and counts.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 28 days ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The earthquake-mcp-server MCP server exposes 4 tools, focused primarily on general-purpose capabilities. Its published description reads: "Search USGS and EMSC seismic data — real-time earthquake feeds, event queries, and counts". It communicates over Streamable HTTP using the 2025-06-18 protocol revision, and does not require authorization to connect. MCPGrade currently rates earthquake-mcp-server F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Data-exfiltration parameters" and "Cross-tool shadowing". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check earthquake-mcp-server's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add earthquake-mcp-server to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://earthquake.caseyjhand.com/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
Fetch a USGS pre-computed real-time earthquake feed by magnitude tier and time window. These feeds are CDN-cached by USGS and faster and more available than the query API — use them for "what's happen
Search earthquakes by time range, magnitude, depth, location radius, PAGER alert level, or felt reports. Supports USGS (global, richer metadata: PAGER, DYFI, ShakeMap) and EMSC, an independent global
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: earthquake_get_feed
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
iption":"Opaque token for the next page, taken verbatim from a previoRecommendationRemove side-channel parameters; constrain tool inputs.
tool: earthquake_get_feed
A tool description tries to alter the model’s use of another tool.
rbatim — unlike earthquake_search, these feeds have no upstream paging parameterRecommendationDescriptions must describe only their own tool.
tool: earthquake_search
A tool description tries to alter the model’s use of another tool.
redFilters. Use earthquake_count first to gauge result size before requesting laRecommendationDescriptions must describe only their own tool.
tool: earthquake_get_event
A tool description tries to alter the model’s use of another tool.
e "id" field of earthquake_get_feed and earthquake_search results. This tool is USGRecommendationDescriptions must describe only their own tool.
tool: earthquake_count
A tool description tries to alter the model’s use of another tool.
before calling earthquake_search. Omitting start_time counts only the last 30 daRecommendationDescriptions must describe only their own tool.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
I key required. earthquake_get_feed gives USGS real-time magnitude tiers for currenRecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: earthquake_get_feed
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: earthquake_search
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: earthquake_get_event
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: earthquake_count
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
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Fetch detail for a specific earthquake by USGS event ID. Returns the same normalized event a search result carries, plus a projection of the analysis products only the single-event response holds: PAG
Count earthquakes matching filters without fetching full records. Use for statistical queries ("how many M5+ earthquakes in 2025?") or to gauge result size before calling earthquake_search. Omitting s