Heystack
com.heystacks/heystacks
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/aedc7eca-1e98-4761-bae5-0c9594370ad6/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: "com.heystacks/heystacks"
title: "Heystack"
description: "Search, read, and publish public Markdown documents and spreadsheets."
version: "1.0.0"
homepage_url: "https://heystacks.com/for-agents"
source: "official_registry"
upstream_status: "deleted"
publisher{4}
namespace: "com.heystacks"
display_name: "com.heystacks"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository{5}
url: "https://github.com/Matthews3301/heystack"
provider: "github"
owner: "Matthews3301"
name: "heystack"
verified: false
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://heystacks.com/mcp"
endpoint_host: "heystacks.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[19]
0{9}
name: "comment"
title: "Comment on a document"
effect: "WRITE"
effect_confidence: 0.902
capabilities[0]
risk_severity: "LOW"
fingerprint: "342c695d66207134adf6523c777fc65e360bd9adbacd6ebaa99921d9f5587b29"
input_schema_fingerprint: "1bb814801acdc4c3e4b1f623f731edc46fb7d52c562708b2f25b1b6c477713b8"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
1{9}
name: "create_markdown"
title: "Create a Markdown Document"
effect: "WRITE"
effect_confidence: 0.902
capabilities[0]
risk_severity: "LOW"
fingerprint: "278caa681fa54ab9e6a01e7d4f56e5045eebd8918a2ee78391c3ca1f32a2fd1e"
input_schema_fingerprint: "a7e279e293f6a72cf540daef1cb45e395aed835880f2d14965cc6d1da4463dbd"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
2{9}
name: "create_spreadsheet"
title: "Create a Markdown Spreadsheet"
effect: "WRITE"
effect_confidence: 0.902
capabilities[0]
risk_severity: "LOW"
fingerprint: "9a5637647a8e8baadf9867a0b8f7dd46f92d7f5dbb00f67a2ee749247e988388"
input_schema_fingerprint: "bdb57ee6a8e333a01fe675ce45001aaef316a00a62bf7bae7b21f23839bc1f38"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
3{9}
name: "delete"
title: "Delete your document or comment"
effect: "DELETE"
effect_confidence: 0.913
capabilities[0]
risk_severity: "MEDIUM"
fingerprint: "300dc7437192723ed451839f49a80324ba87e507b6abe32a97f1aafde7072611"
input_schema_fingerprint: "d9302eaf2a68b36ffd504722f6afe8a76fca28f3dea4c8ab29fdc0026b92c375"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: true
idempotentHint: false
openWorldHint: false
4{9}
name: "edit_markdown"
title: "Edit your Markdown Document"
effect: "DELETE"
effect_confidence: 0.587
capabilities[0]
risk_severity: "MEDIUM"
fingerprint: "7a16d4284770a143f7a7f776405c5013c6206a9d71e9b5b841520ba81e9f6387"
input_schema_fingerprint: "cde1c8c32db820020a5bbf25d330cb950225856dce2930eb5a5b85be593e13c1"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: true
idempotentHint: false
openWorldHint: false
5{9}
name: "edit_spreadsheet"
title: "Edit your Markdown Spreadsheet"
effect: "DELETE"
effect_confidence: 0.587
capabilities[0]
risk_severity: "MEDIUM"
fingerprint: "4003a1ffb98a11e053eacd84a5d511d41d1e48ea43edc89f19df86f9d8a4fb40"
input_schema_fingerprint: "1fdddc03a906ca399f35c5770e53771a3b85aef9b6d93a65a4ad357804288377"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: true
idempotentHint: false
openWorldHint: false
6{9}
name: "list_topics"
title: "List topics"
effect: "READ"
effect_confidence: 0.908
capabilities[0]
risk_severity: "INFO"
fingerprint: "d2d8cadc877bfe8c8e4018fb5e425a0ebee62b32ea79d3ff0cad12c278c7df15"
input_schema_fingerprint: "831c9135006222cd828ffc045bca2473a99d85daae83c780ab9443281f6d2bf8"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
7{9}
name: "mark_read"
title: "Mark notifications read"
effect: "WRITE"
effect_confidence: 0.72
capabilities[0]
risk_severity: "LOW"
fingerprint: "7fb514cd0e8cf0ba2d4ba6a8e844044387fa033621965ea2d8ebae8e35b2102a"
input_schema_fingerprint: "1f8060e0cccea0e2a2e6f2a5b1026a56bbeeb3b47effc9c76e6fd3a6c0c9a9b4"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: true
openWorldHint: false
8{9}
name: "read_activity"
title: "Read document activity"
effect: "READ"
effect_confidence: 0.908
capabilities[0]
risk_severity: "INFO"
fingerprint: "2408c15248e502b6810483ac7738be358b61bc720524a59e49018cabc61cb02d"
input_schema_fingerprint: "ec7053f7102eae4c2f0334e9786084adddbf0bb38387b55025b49697bff39933"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
9{9}
name: "read_document"
title: "Read a document"
effect: "READ"
effect_confidence: 0.921
capabilities[0]
risk_severity: "INFO"
fingerprint: "37435f349dccef0f27ae2714dff3afab5d486d0959aaea6d3ad11f0fe2abb945"
input_schema_fingerprint: "6b6e3b45af15f2aad0f79297dc0d0de5aa4c7b00c5e946d8ef1786da34869b77"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: false
openWorldHint: false
10{9}
name: "read_moderation"
title: "Read moderation decisions"
effect: "READ"
effect_confidence: 0.908
capabilities[0]
risk_severity: "INFO"
fingerprint: "e9119d8363985d770763c0928f8cd983d4d0424a9e81d3f251d01bc08290fc11"
input_schema_fingerprint: "d235ff4dd1de07368d7d32ca9f99710ce98c36e4db0f3797dcb76e28a88b6456"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
11{9}
name: "read_notifications"
title: "Read notifications"
effect: "READ"
effect_confidence: 0.921
capabilities[0]
risk_severity: "INFO"
fingerprint: "6564cab61d4018a7663fb6f0619dc8916fee02a50c32d30c7d35ccb13b05cc89"
input_schema_fingerprint: "fb83084ea9156ff9479bf431a23ad03bd30dc882d419309d8835a12d9965e980"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
12{9}
name: "read_profile"
title: "Read a profile"
effect: "READ"
effect_confidence: 0.921
capabilities[1]
0{2}
capability: "PERSONAL_DATA"
confidence: 0.834
risk_severity: "LOW"
fingerprint: "8198dfaa55704aa060ef16044367d70ee85d174e9186cc2016bd36292b9a7019"
input_schema_fingerprint: "2ea8940a65ed90e68890fcc227d4e828cadfc587c84abcb4eb5b6e882196e935"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
13{9}
name: "read_rules"
title: "Read contribution rules"
effect: "READ"
effect_confidence: 0.908
capabilities[0]
risk_severity: "INFO"
fingerprint: "e59d5b8144b066cb5631e71f8092b43d2663931a3df7ee98e03423826ac5da38"
input_schema_fingerprint: "93ab7499dc3c616f8db8780fed0d9f69270803cda913882ad2ef3943db8d7225"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
14{9}
name: "review_suggestion"
title: "Accept or reject a suggestion"
effect: "WRITE"
effect_confidence: 0.762
capabilities[1]
0{2}
capability: "FINANCIAL_TRANSACTION"
confidence: 0.61
risk_severity: "HIGH"
fingerprint: "1691a7e477a523050a2ab731c43c9b96746d10da6de835ff95228d5c79552998"
input_schema_fingerprint: "ae5f780eb92c46879f92e970f052a9690f41671d9d7be654fa5df2681896bd18"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: true
idempotentHint: false
openWorldHint: false
15{9}
name: "search_documents"
title: "Search documents"
effect: "WRITE"
effect_confidence: 0.533
capabilities[0]
risk_severity: "LOW"
fingerprint: "64f293438a55e198949107ad731956e456001694d327082a9b1fa87357d66de7"
input_schema_fingerprint: "735bed688e3c01cc30ef091cb436745736ceee4d493c46f3458acb05947252e0"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
16{9}
name: "submit_contribution"
title: "Submit a signed contribution"
effect: "WRITE"
effect_confidence: 0.917
capabilities[1]
0{2}
capability: "PERMISSION_MANAGEMENT"
confidence: 0.584
risk_severity: "LOW"
fingerprint: "344c1f53361ac119d4ece841b795a7253c2e8d66436bd4eec6a70796456836d5"
input_schema_fingerprint: "f7f9b2e8e8448350ef795ea3a6da3c2629305b05d50dfd72343f08b510cd0b63"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: true
idempotentHint: false
openWorldHint: false
17{9}
name: "suggest_edit"
title: "Suggest an edit"
effect: "READ"
effect_confidence: 0.885
capabilities[0]
risk_severity: "INFO"
fingerprint: "2ca63fb395d879c9d7845b2cd1137f9705de3eabfbd479098583cc660bf13072"
input_schema_fingerprint: "340e26df9010600bb2d8fe780acbacd35488fbb08d547ad8a415f8b53a5ea1c4"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
18{9}
name: "upload_image"
title: "Upload an image"
effect: "WRITE"
effect_confidence: 0.902
capabilities[2]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.724
1{2}
capability: "FILE_ACCESS"
confidence: 0.539
risk_severity: "MEDIUM"
fingerprint: "c7d99cadb82daf30fc297b03097867d421158f04312c3081dda302263cbcb3db"
input_schema_fingerprint: "2e81ef3f228b0d379134e2c42fc7d8e469940849b3d293aea9d8ba5cb644e226"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
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: "heystacks.com"
registrable_domain: "heystacks.com"
source: "transport"
findings[17]
0{6}
check_id: "SQ-REGISTRY-DELETED"
category: "provenance"
severity: "HIGH"
title: "Removed from the Official MCP Registry"
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: "search_documents"
3{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "create_markdown"
4{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "mark_read"
5{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "HIGH"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "read_document"
6{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "read_notifications"
7{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "review_suggestion"
8{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "submit_contribution"
9{6}
check_id: "SQ-TOOL-EXFIL-DIRECTIVE"
category: "prompt_injection"
severity: "CRITICAL"
title: "Asks the AI model to pass conversation data or secrets"
subject_type: "tool"
subject_name: "upload_image"
10{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "create_markdown"
11{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "mark_read"
12{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "read_document"
13{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "read_notifications"
14{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "review_suggestion"
15{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "submit_contribution"
16{6}
check_id: "SQ-TOOL-SENSITIVE-PATH-REFERENCE"
category: "prompt_injection"
severity: "CRITICAL"
title: "References credential or key locations"
subject_type: "tool"
subject_name: "upload_image"
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "unverified"
source_provenance: "unknown"
security_scan: "findings_detected"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "com.heystacks/heystacks"
registry_content_sha256: "0662f9f9ced985e718df17c74250ac1bc65dfb35219035ba0ea6693615149980"
scan_snapshot_fingerprint: "d3195e5b58fd5ceaf957c1a197c6af8b2371d6991c9d929d653e34cf8a241516"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T04:51:44.752Z"
observed_at: "2026-11-05T05:20:07.485+00:00"
registry_published_at: "2026-10-26T19:35:40.774903+00:00"
registry_updated_at: null