io.github.cyanheads/usgs-water-mcp-server
io.github.cyanheads/usgs-water-mcp-server
MCP Bill of Materials
A machine-readable inventory of what this server exposes and depends on: tools with their effects, transports, packages, findings and provenance (schema version 1.0). Third-party text in it is escaped. Also available from the REST API at /api/v1/servers/fcca3e6d-3065-4e2a-a1cc-0763395202ad/mcbom.
MCP Bill of Materials
root{21}
schema_version: "1.0"
bom_format: "squatch-mcbom"
generator{3}
name: "squatch-mcp"
classifier_version: "rules_v1@2026-10-11.1"
unicode_version: "18.0.0"
server{7}
name: "io.github.cyanheads/usgs-water-mcp-server"
title: null
description: "Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells."
version: "0.6.0"
homepage_url: null
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "io.github.cyanheads"
display_name: "io.github.cyanheads"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository{5}
url: "https://github.com/cyanheads/usgs-water-mcp-server"
provider: "github"
owner: "cyanheads"
name: "usgs-water-mcp-server"
verified: false
packages[2]
0{4}
registry_type: "npm"
identifier: "@cyanheads/usgs-water-mcp-server"
version: "0.6.0"
transport: "stdio"
1{4}
registry_type: "npm"
identifier: "@cyanheads/usgs-water-mcp-server"
version: "0.6.0"
transport: "streamable-http"
transports[3]
0{5}
kind: "package"
type: "stdio"
endpoint_url: null
endpoint_host: null
auth_type: "unknown"
1{5}
kind: "package"
type: "streamable-http"
endpoint_url: null
endpoint_host: null
auth_type: "unknown"
2{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://usgs-water.caseyjhand.com/mcp"
endpoint_host: "usgs-water.caseyjhand.com"
auth_type: "none"
auth{3}
type: "none"
authorization_servers[0]
scopes[0]
protocol{4}
era: "modern"
negotiated_version: "2026-07-28"
supported_versions[0]
transport_type: "streamable-http"
tools[8]
0{9}
name: "water_dataframe_describe"
title: "Water Dataframe Describe"
effect: "READ"
effect_confidence: 0.841
capabilities[0]
risk_severity: "INFO"
fingerprint: "7fdf837051f0b858508e5e112a9e7f92ffcdcb20ff77682b213b71933316e1ea"
input_schema_fingerprint: "5356174923808f5079827356edb1117470d3dfa9288aa65c7d5f0108d909e90f"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: false
1{9}
name: "water_dataframe_query"
title: "Water Dataframe Query"
effect: "EXECUTE"
effect_confidence: 0.869
capabilities[1]
0{2}
capability: "DATABASE_ACCESS"
confidence: 0.648
risk_severity: "CRITICAL"
fingerprint: "3049a5ab30708dd5e555250c6c997489a31b7ae6026bd69d2220979fbc8c7af5"
input_schema_fingerprint: "49168bcc484aa6a6dc954114d507192d8381814cef2398f59271867e11315994"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: false
2{9}
name: "water_find_sites"
title: "Water Find Sites"
effect: "READ"
effect_confidence: 0.841
capabilities[1]
0{2}
capability: "LOCATION"
confidence: 0.774
risk_severity: "LOW"
fingerprint: "1928847bbf9d1ec5fc001fef8124dfcca6b73f2db407662b00d1223b0124cf04"
input_schema_fingerprint: "22b84d9d80aff5cb4c09a101edd3aac0d43e80e8f0a4c575915c1586df34e02d"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
3{9}
name: "water_get_conditions"
title: "Water Get Conditions"
effect: "READ"
effect_confidence: 0.841
capabilities[0]
risk_severity: "INFO"
fingerprint: "55b5e9067b4565822b88f7e081aeab1ef79abf23b429256e39c020c673c75a45"
input_schema_fingerprint: "61c40eb6c3a34795906719a03db84e38b876bdcab6bdb34ce2653d225cfd41a6"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
4{9}
name: "water_get_readings"
title: "Water Get Readings"
effect: "READ"
effect_confidence: 0.813
capabilities[0]
risk_severity: "INFO"
fingerprint: "91b2b257a9ce30e0be9dfbde4ec54a03b816ba6ba3bfb6c97cc45c9d70576c77"
input_schema_fingerprint: "22d331a54a49c87a0cb391b8c821986cdda33747b29159f43a158b987b2ea877"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
5{9}
name: "water_get_series"
title: "Water Get Series"
effect: "READ"
effect_confidence: 0.813
capabilities[0]
risk_severity: "INFO"
fingerprint: "f206da66600f4eb1e57967f1e26b855ea00568452a61522d6e7fd1fd8f21a3a6"
input_schema_fingerprint: "2d821c17cab7172b9d52ca91df5947822898ec01b34cc511dd23fc2b39e000fe"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
6{9}
name: "water_get_site_data_catalog"
title: "Water Get Site Data Catalog"
effect: "READ"
effect_confidence: 0.813
capabilities[0]
risk_severity: "INFO"
fingerprint: "6af70cf2434efdc7fb677c6a76f15a6205f5c9909ed8f5197f3a11b658d30a58"
input_schema_fingerprint: "022e2d40f4dbd90774f5d1f23136d71f12e3471196394b2759ceb85ff2538a1b"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
7{9}
name: "water_list_parameters"
title: "Water List Parameters"
effect: "READ"
effect_confidence: 0.813
capabilities[0]
risk_severity: "INFO"
fingerprint: "142217a00345fbfbec87027c95d6020e0ca02db09e567a3af2a7548fb6f5b9a2"
input_schema_fingerprint: "83d4f29461357a11bfc8e92e5e36288d98ff9ad24194d1726e50e6a9ad96949a"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
resources[7]
0{4}
key: "skill://usgs-water-guide/SKILL.md"
kind: "resource"
mime_type: "text/markdown"
fingerprint: "7b6ba5eb6c4b5cbf701b682ea8937c6a2574e009eb13bc888ec0c4da5ae4ead7"
1{4}
key: "usgs-water://parameters"
kind: "resource"
mime_type: "application/json"
fingerprint: "1dec28177fc8c06466286d85e88443c3940a7fa306b22a019f8aadb508b6c9d6"
2{4}
key: "usgs-water://site/01646500"
kind: "resource"
mime_type: "application/json"
fingerprint: "3efb74cd69dd5704e1a6874af1b54c211b24590127175293b03dd3c2404c0795"
3{4}
key: "usgs-water://site/09380000"
kind: "resource"
mime_type: "application/json"
fingerprint: "8c9ca66f4c2dc5d52b2d5df468727a1a5a04e953908ab43a4fd76a1e748d51ce"
4{4}
key: "usgs-water://site/14211720"
kind: "resource"
mime_type: "application/json"
fingerprint: "4b0daaf9677bc7330ea4f6be8459cae82c0814db6dab12363e6ce4fa5395ddcd"
5{4}
key: "skill://{+path}"
kind: "template"
mime_type: null
fingerprint: "9777dc7f1cf468158c157032a0ccebf9b50270f4e8753af9ccaf2fe99890ccf0"
6{4}
key: "usgs-water://site/{siteId}"
kind: "template"
mime_type: "application/json"
fingerprint: "55ae5b833523c9b49b1736fa90246a15adab12abc8ac5e4041e54af6c37e7114"
prompts[0]
extensions[1]
0: "io.modelcontextprotocol/skills"
data{6}
privacy_completeness: "not_provided"
data_categories[0]
ai_training: null
retention_policy: null
processing_regions[0]
subprocessors[0]
external_integrations[1]
0{3}
host: "usgs-water.caseyjhand.com"
registrable_domain: "caseyjhand.com"
source: "transport"
findings[4]
0{6}
check_id: "SQ-SERVER-AUTH-NONE-WRITE"
category: "authentication"
severity: "MEDIUM"
title: "State-changing tools available without authentication"
subject_type: "server"
subject_name: null
1{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "HIGH"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "water_dataframe_query"
2{6}
check_id: "SQ-TOOL-CONCEALMENT"
category: "prompt_injection"
severity: "HIGH"
title: "Text asks the AI model to hide actions from the user"
subject_type: "tool"
subject_name: "water_get_readings"
3{6}
check_id: "SQ-TOOL-CROSS-TOOL-REFERENCE"
category: "prompt_injection"
severity: "MEDIUM"
title: "Gives instructions about other tools"
subject_type: "tool"
subject_name: "water_list_parameters"
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "unverified"
source_provenance: "partial"
security_scan: "findings_detected"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "io.github.cyanheads/usgs-water-mcp-server"
registry_content_sha256: "e7b0d6ac06a8f217d53d0bd8e527445cf7feb30b6b718d4d23575dc112357e58"
scan_snapshot_fingerprint: "39138ddf322b164498566e30e298e9a51893718e51264cb56278c5181d0cf99d"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T02:15:17.915Z"
observed_at: "2026-11-11T13:56:24.436+00:00"
registry_published_at: "2026-11-11T12:38:38.306844+00:00"
registry_updated_at: null