io.github.cyanheads/census-mcp-server
io.github.cyanheads/census-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/2843a382-760e-4cc2-b164-5e5d7bb6a348/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/census-mcp-server"
title: null
description: "Query U.S. Census Bureau data, variables, and geography via MCP."
version: "0.7.2"
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/census-mcp-server"
provider: "github"
owner: "cyanheads"
name: "census-mcp-server"
verified: false
packages[2]
0{4}
registry_type: "npm"
identifier: "@cyanheads/census-mcp-server"
version: "0.7.2"
transport: "stdio"
1{4}
registry_type: "npm"
identifier: "@cyanheads/census-mcp-server"
version: "0.7.2"
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://census.caseyjhand.com/mcp"
endpoint_host: "census.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: "census_compare_geographies"
title: "Compare Census Geographies"
effect: "READ"
effect_confidence: 0.905
capabilities[0]
risk_severity: "INFO"
fingerprint: "6fc412c59133ce018c23741a78c253fc0957821a6f837f5203e8419aaa3dc47f"
input_schema_fingerprint: "9df27b1e39ae9edf9e5f2e814f605712104d9c6257260d345783d028260dade6"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
1{9}
name: "census_get_variable"
title: "Get Census Variable Metadata"
effect: "READ"
effect_confidence: 0.888
capabilities[0]
risk_severity: "INFO"
fingerprint: "6d0cdffc681489d115cc02ddb2e2f13e93361a6dc8f242480dd31dda18019007"
input_schema_fingerprint: "2c4dc852e43fa470d20c66eb267cb3c65759dc51e85104345208347036779299"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
2{9}
name: "census_list_datasets"
title: "List Census Datasets"
effect: "READ"
effect_confidence: 0.888
capabilities[0]
risk_severity: "INFO"
fingerprint: "2973b0d46d4eef005a4094949a61ccf3195412797a890db2d0487b26b2966c3f"
input_schema_fingerprint: "b046614b39f9856293c6117dc69da727b2cbd861766ebdd62bc0aaf6517189c5"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
3{9}
name: "census_list_geographies"
title: "List Census Geography Levels"
effect: "READ"
effect_confidence: 0.888
capabilities[0]
risk_severity: "INFO"
fingerprint: "f07c117a6b9f21b274cff28a98f9cc6ce36dec05ce753f5a2997c0b6b46e9f32"
input_schema_fingerprint: "c17ecc6c8a902aabf759e8f4c9d5ba3ab982eb80fbc9b23fa07a3deec6eacd31"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
4{9}
name: "census_list_predicate_values"
title: "List Census Predicate Values"
effect: "READ"
effect_confidence: 0.888
capabilities[0]
risk_severity: "INFO"
fingerprint: "05fd0483d0648d84c073bd94d5b9ec54003879d5a1d84cc86161152299bd14f2"
input_schema_fingerprint: "9b324b9284c874b9e5490ea0817ebf5e6c635e79004e89cb313f995599a76850"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
5{9}
name: "census_query_data"
title: "Query Census Data"
effect: "READ"
effect_confidence: 0.809
capabilities[0]
risk_severity: "INFO"
fingerprint: "0ddb0e5d6e28fd176139a2d8939e6689c507c89cc1680aaa89d692a5fbe82ac8"
input_schema_fingerprint: "0e359fc7f031b8e71ca16eba4102d1b4759c1ae5755eca82aba2c8d7ab0f2661"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
6{9}
name: "census_resolve_geography"
title: "Resolve Census Geography"
effect: "READ"
effect_confidence: 0.888
capabilities[1]
0{2}
capability: "LOCATION"
confidence: 0.734
risk_severity: "LOW"
fingerprint: "8e743e29b1b5b55a9637dd62561bf5d120670c6ff56f6d5308abf9b2b29a481e"
input_schema_fingerprint: "2288061a0f34e8ca0c054e89de3734e10529e29a1279c4fc26526e74881f5cd4"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
7{9}
name: "census_search_variables"
title: "Search Census Variables"
effect: "READ"
effect_confidence: 0.905
capabilities[0]
risk_severity: "INFO"
fingerprint: "a4d116864b544089292fb59c7527296835521dc928e057d066fa4ebafab260f0"
input_schema_fingerprint: "eaf364d2df06b71dc5f1b822657af85e20319fc59c2750bbb30d42f8460e9074"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
resources[2]
0{4}
key: "skill://census-guide/SKILL.md"
kind: "resource"
mime_type: "text/markdown"
fingerprint: "b649fa1d60ea329f535a714969bfe297d2169d73bb516a807b6a571064fd87ae"
1{4}
key: "skill://{+path}"
kind: "template"
mime_type: null
fingerprint: "9777dc7f1cf468158c157032a0ccebf9b50270f4e8753af9ccaf2fe99890ccf0"
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: "census.caseyjhand.com"
registrable_domain: "caseyjhand.com"
source: "transport"
findings[8]
0{6}
check_id: "SQ-SERVER-INSTRUCTIONS-INJECTION"
category: "prompt_injection"
severity: "HIGH"
title: "Server instructions contain directives to the AI model"
subject_type: "server"
subject_name: null
1{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: "census_resolve_geography"
2{6}
check_id: "SQ-TOOL-LENGTH-ANOMALY"
category: "tool_design"
severity: "LOW"
title: "Unusually long model-facing text"
subject_type: "tool"
subject_name: "census_compare_geographies"
3{6}
check_id: "SQ-TOOL-LENGTH-ANOMALY"
category: "tool_design"
severity: "LOW"
title: "Unusually long model-facing text"
subject_type: "tool"
subject_name: "census_query_data"
4{6}
check_id: "SQ-TOOL-LENGTH-ANOMALY"
category: "tool_design"
severity: "LOW"
title: "Unusually long model-facing text"
subject_type: "tool"
subject_name: "census_resolve_geography"
5{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "HIGH"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "census_compare_geographies"
6{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "HIGH"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "census_list_predicate_values"
7{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "HIGH"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "census_query_data"
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/census-mcp-server"
registry_content_sha256: "ed6135aec32d338c435250a4e18a99983a5bc386b77878fcb08d71152295d17f"
scan_snapshot_fingerprint: "0952d1308e3927049d63cd8a377e676bc0dd58cf0f4f45a336ab8b518f04a085"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T02:11:53.203Z"
observed_at: "2026-11-13T03:38:17.496+00:00"
registry_published_at: "2026-11-04T02:20:12.84718+00:00"
registry_updated_at: null