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/baa584fa-d901-4cb3-a8c2-861a7ae0ebe0/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: "co.knobs/sienna"
title: "Sienna, Knobs.co hardware advisor"
description: "Knobs.co cabinet-hardware advisor: sizing, fits, finishes, prices, plans, cart and sample links."
version: "1.1.2"
homepage_url: "https://knobs.co/pages/agents"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "co.knobs"
display_name: "co.knobs"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://sienna.knobs.co/mcp"
endpoint_host: "sienna.knobs.co"
auth_type: "none"
auth{3}
type: "none"
authorization_servers[0]
scopes[0]
protocol{4}
era: "legacy"
negotiated_version: "2025-11-25"
supported_versions[0]
transport_type: "streamable-http"
tools[11]
0{9}
name: "ask_sienna"
title: "Ask Sienna (Knobs.co hardware advisor)"
effect: "READ"
effect_confidence: 0.933
capabilities[0]
risk_severity: "INFO"
fingerprint: "bf8b2a569c4462896b0b4f2ac22d2097788592f686a5d647468ef38cfd878b57"
input_schema_fingerprint: "b6683313edfd837901bfa2f7ca37708964cfd28b362340e97f03d9144a99cfed"
annotations{5}
title: "Ask Sienna"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
1{9}
name: "build_plan"
title: "Build a Hardware Plan (Knobs.co)"
effect: "EXECUTE"
effect_confidence: 0.885
capabilities[1]
0{2}
capability: "PERSONAL_DATA"
confidence: 0.53
risk_severity: "HIGH"
fingerprint: "7f24747afe56315677c1fb88d534dcea926b9f942aa0412691e2ed969592e8bf"
input_schema_fingerprint: "e0ae06a2b47162aa01f65abf1f2abf7c4e35b11d1f22745f9305ca28faf7417f"
annotations{5}
title: "Build a Hardware Plan"
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: true
2{9}
name: "cart_link"
title: "Cart link (Knobs.co checkout)"
effect: "WRITE"
effect_confidence: 0.405
capabilities[2]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.632
1{2}
capability: "PAYMENT"
confidence: 0.848
risk_severity: "MEDIUM"
fingerprint: "f022f4795c78d0ee7a767c5dfd2694d51e2686529f02fb635be3ef0dcbf7401f"
input_schema_fingerprint: "a722ddb8e6fb0b12755297516259b094175ca9416be17797a3fb215b83a3f287"
annotations{5}
title: "Cart link"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
3{9}
name: "fetch"
title: "Fetch (connector convention)"
effect: "READ"
effect_confidence: 0.933
capabilities[0]
risk_severity: "INFO"
fingerprint: "545bacf4ee9a2ef859ae8ef6c0186ad30838bdc49aa5a70f8c430a8ff8c790db"
input_schema_fingerprint: "2b68475b4a7c76de9bd562a9195dc13969642e2446d1b756569bde7de93712a0"
annotations{5}
title: "Fetch"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
4{9}
name: "get_product"
title: "Get one Knobs.co product"
effect: "READ"
effect_confidence: 0.857
capabilities[0]
risk_severity: "INFO"
fingerprint: "65f82e8572c7cfc3dc8b885e4617ce23bd3076d3d8b32a5426ec6355878dd60d"
input_schema_fingerprint: "9e20adb330dbd9a7b76d7a585d62266aa376b578fb1083e96c973d1dbdd91248"
annotations{5}
title: "Get product"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
5{9}
name: "request_consultation"
title: "Ask Kayla to review or call (Knobs.co)"
effect: "WRITE"
effect_confidence: 0.703
capabilities[3]
0{2}
capability: "EMAIL"
confidence: 0.632
1{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.632
2{2}
capability: "PERSONAL_DATA"
confidence: 0.831
risk_severity: "MEDIUM"
fingerprint: "18c59c518c3eee0ad5e0ee66cd81ab30c61cfdae2c6b393db22f003ff8060c8b"
input_schema_fingerprint: "baca3599ef4e34e37b1d4302037ce23e68573d0457a074060c7aaaeb93af6988"
annotations{5}
title: "Ask Kayla"
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: true
6{9}
name: "search"
title: "Search (connector convention)"
effect: "READ"
effect_confidence: 0.921
capabilities[0]
risk_severity: "INFO"
fingerprint: "ba9de0ce9d63d6755307ea6a1c0da2b2263285c9f26cec8465ade0edadedc6b2"
input_schema_fingerprint: "3ac76ecd632a0d4364976d3ec027dcf4c85ea832a2f58b5d7f5daea4077d55b7"
annotations{5}
title: "Search"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
7{9}
name: "search_catalog"
title: "Search the Knobs.co catalog"
effect: "READ"
effect_confidence: 0.921
capabilities[0]
risk_severity: "INFO"
fingerprint: "a9b185f9fd0900594883cd4fdd760cbf627a689a2e1d201d3cd07f46569488b1"
input_schema_fingerprint: "5e37250932cf42a5a85d3a4088c854f962de2884b88cbcc513646c7a36e08d14"
annotations{5}
title: "Search catalog"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
8{9}
name: "sizing_guide"
title: "Cabinet hardware sizing guide"
effect: "READ"
effect_confidence: 0.32
capabilities[0]
risk_severity: "INFO"
fingerprint: "25ca5a1af5a2e0c8e5f976b62acbaff6467f750edf3ca6747aa1f15c4176f54f"
input_schema_fingerprint: "99334726611ccf58a148b0814696bfa6fe08c1b2d027e946beccf5a74331c9aa"
annotations{5}
title: "Sizing guide"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
9{9}
name: "start_samples"
title: "Samples cart (Knobs.co)"
effect: "WRITE"
effect_confidence: 0.703
capabilities[1]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.582
risk_severity: "MEDIUM"
fingerprint: "fbefb9affda4a5c96ef7e6972407438353a9a7444b7021164fd2cb4ccabfd8c0"
input_schema_fingerprint: "cec5685cc2edf961f7694b5d435edfd2d9d037591f272b34a7a573ed9cf15a9b"
annotations{5}
title: "Samples cart"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
10{9}
name: "store_info"
title: "About Knobs.co for agents"
effect: "WRITE"
effect_confidence: 0.703
capabilities[1]
0{2}
capability: "FINANCIAL_TRANSACTION"
confidence: 0.784
risk_severity: "HIGH"
fingerprint: "24c66ba52c4cdfcc46df4bcb3e8c6d71d2e9acc3e8b3378caf05a3cafe8710e9"
input_schema_fingerprint: "99334726611ccf58a148b0814696bfa6fe08c1b2d027e946beccf5a74331c9aa"
annotations{5}
title: "Store info"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
resources[0]
prompts[0]
extensions[0]
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: "sienna.knobs.co"
registrable_domain: "knobs.co"
source: "transport"
findings[7]
0{6}
check_id: "SQ-REPO-MISSING"
category: "provenance"
severity: "LOW"
title: "No source repository linked"
subject_type: "server"
subject_name: null
1{6}
check_id: "SQ-SERVER-AUTH-NONE-WRITE"
category: "authentication"
severity: "HIGH"
title: "State-changing tools available without authentication"
subject_type: "server"
subject_name: null
2{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "LOW"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "start_samples"
3{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "MEDIUM"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "store_info"
4{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "INFO"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "build_plan"
5{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "INFO"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "build_plan"
6{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "INFO"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "cart_link"
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "not_provided"
source_provenance: "unknown"
security_scan: "findings_detected"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "co.knobs/sienna"
registry_content_sha256: "bc9caf35f69ca7321c1699ac1c8e2f1e1289ae56cd6146a0ccc711095f6c9d16"
scan_snapshot_fingerprint: "b4fe5214f1d2d406f6f6c08c5c4a60d5ddd03043f95fc6348ff062d4970ee7d6"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T03:31:54.399Z"
observed_at: "2026-11-08T13:31:58.454+00:00"
registry_published_at: "2026-11-08T10:15:43.202379+00:00"
registry_updated_at: null