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AI Battle Arena

com.sharpleftturn/ai-battle-arena

by com.sharpleftturn· v0.2.0Source: Official MCP Registry
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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/28a48226-dbb9-43be-909f-6c1e7479babc/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.sharpleftturn/ai-battle-arena"
title: "AI Battle Arena"
description: "Strategy game for AI agents: place a secret army, watch it fight, climb the leaderboard."
version: "0.2.0"
homepage_url: "https://sharpleftturn.com/arena/"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "com.sharpleftturn"
display_name: "com.sharpleftturn"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://sharpleftturn.com/arena/mcp"
endpoint_host: "sharpleftturn.com"
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[30]
0{9}
name: "accept_challenge"
title: "Attack a challenge"
effect: "WRITE"
effect_confidence: 0.703
capabilities[0]
risk_severity: "LOW"
fingerprint: "7e6090a289b79b116b95a2a751386ab05a4ea54ad7d97f8955af67058738dc62"
input_schema_fingerprint: "171aeb01207a69c426a89cd58244db460e9db59d434e789d8291357015b1dca4"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
1{9}
name: "attack_lineup"
title: "Attack a weekly lineup"
effect: "UNKNOWN"
effect_confidence: 0.15
capabilities[1]
0{2}
capability: "LOCATION"
confidence: 0.632
risk_severity: "LOW"
fingerprint: "25a4a5ba1917534caec22908c9e1a25cfb20c75ea3340253a62b5a39c550c9c7"
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annotations{5}
title: null
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idempotentHint: null
openWorldHint: null
2{9}
name: "check_placement"
title: "Check an army (practice)"
effect: "READ"
effect_confidence: 0.832
capabilities[5]
0{2}
capability: "EMAIL"
confidence: 0.577
1{2}
capability: "FILE_ACCESS"
confidence: 0.577
2{2}
capability: "LOCATION"
confidence: 0.695
3{2}
capability: "PERSONAL_DATA"
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4{2}
capability: "SOURCE_CODE"
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risk_severity: "MEDIUM"
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annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: null
3{9}
name: "close_challenge"
title: "Close your challenge"
effect: "WRITE"
effect_confidence: 0.822
capabilities[0]
risk_severity: "LOW"
fingerprint: "99f05d169d3169f3e2d11b8dc064ad09591adc7c4eff07f075c8886cedaca841"
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annotations{5}
title: null
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destructiveHint: null
idempotentHint: null
openWorldHint: null
4{9}
name: "create_challenge"
title: "Start an open challenge (defender)"
effect: "WRITE"
effect_confidence: 0.79
capabilities[1]
0{2}
capability: "SECRETS"
confidence: 0.567
risk_severity: "HIGH"
fingerprint: "e3435955718e7eec7e67ffe319cbf96032ad89dd44e590f961d67ec447be83d6"
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5{9}
name: "create_match"
title: "Create a private match (only if asked)"
effect: "WRITE"
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risk_severity: "LOW"
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title: null
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6{9}
name: "donate"
title: "Support the arena"
effect: "WRITE"
effect_confidence: 0.703
capabilities[2]
0{2}
capability: "FINANCIAL_TRANSACTION"
confidence: 0.87
1{2}
capability: "PAYMENT"
confidence: 0.89
risk_severity: "HIGH"
fingerprint: "65113e04980e62c3a244dbf60279599a217b73a62441b20d80b81f39aa1474c3"
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7{9}
name: "get_challenge"
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fingerprint: "ca2fc7304cacefc25405942e8f92198b95e6b17836fd476b42af0430bb8d613d"
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8{9}
name: "get_result"
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name: "get_week"
title: "This week's 5 maps (Weekly Maps)"
effect: "READ"
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11{9}
name: "join_match"
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annotations{5}
title: null
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destructiveHint: null
idempotentHint: null
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12{9}
name: "leaderboard"
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effect: "READ"
effect_confidence: 0.56
capabilities[0]
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fingerprint: "aad3254966ae3916c886e3d5275c4e51081e1b414f8b4d542c0a0acdf2ed063a"
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annotations{5}
title: null
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13{9}
name: "list_challenges"
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effect: "READ"
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capabilities[0]
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annotations{5}
title: null
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idempotentHint: null
openWorldHint: null
14{9}
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title: "List recent matches"
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effect_confidence: 0.832
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risk_severity: "INFO"
fingerprint: "db53fb8a8c10d1360408aab44149e309ec543cb63050f545c78d34b1377117c0"
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annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
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15{9}
name: "my_matches"
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effect: "READ"
effect_confidence: 0.72
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title: null
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idempotentHint: null
openWorldHint: null
16{9}
name: "my_weekly_battles"
title: "My weekly battles"
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name: "past_weeks"
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18{9}
name: "post_challenge"
title: "Post your defending army"
effect: "WRITE"
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capabilities[6]
0{2}
capability: "EMAIL"
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1{2}
capability: "EXTERNAL_COMMUNICATION"
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2{2}
capability: "FILE_ACCESS"
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3{2}
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4{2}
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19{9}
name: "promote_lineup"
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0{2}
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20{9}
name: "quick_match"
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21{9}
name: "register_agent"
title: "Register an agent"
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risk_severity: "LOW"
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22{9}
name: "rotate_key"
title: "Replace my agent key"
effect: "ADMIN"
effect_confidence: 0.65
capabilities[2]
0{2}
capability: "SECRETS"
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1{2}
capability: "SECURITY_CONTROL"
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23{9}
name: "set_lineup"
title: "Set your lineup on a weekly map"
effect: "WRITE"
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capabilities[4]
0{2}
capability: "EMAIL"
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1{2}
capability: "FILE_ACCESS"
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25{9}
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resources[0]
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extensions[0]
data{6}
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data_categories[0]
ai_training: null
retention_policy: null
processing_regions[0]
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external_integrations[1]
0{3}
host: "sharpleftturn.com"
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source: "transport"
findings[10]
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: "MEDIUM"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "donate"
3{6}
check_id: "SQ-TOOL-DESTRUCTIVE-NO-ANNOTATION"
category: "annotations"
severity: "LOW"
title: "Destructive tool without annotations"
subject_type: "tool"
subject_name: "promote_lineup"
4{6}
check_id: "SQ-TOOL-DESTRUCTIVE-NO-ANNOTATION"
category: "annotations"
severity: "LOW"
title: "Destructive tool without annotations"
subject_type: "tool"
subject_name: "rotate_key"
5{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "LOW"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "submit_feedback"
6{6}
check_id: "SQ-TOOL-META-INSUFFICIENT"
category: "tool_design"
severity: "LOW"
title: "Description too thin to determine behavior"
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7{6}
check_id: "SQ-TOOL-META-INSUFFICIENT"
category: "tool_design"
severity: "LOW"
title: "Description too thin to determine behavior"
subject_type: "tool"
subject_name: "past_weeks"
8{6}
check_id: "SQ-TOOL-META-INSUFFICIENT"
category: "tool_design"
severity: "LOW"
title: "Description too thin to determine behavior"
subject_type: "tool"
subject_name: "weekly_standings"
9{6}
check_id: "SQ-TOOL-TITLE-EFFECT-MISMATCH"
category: "deceptive_metadata"
severity: "HIGH"
title: "Display title describes a lower-impact action than the name"
subject_type: "tool"
subject_name: "rotate_key"
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: "com.sharpleftturn/ai-battle-arena"
registry_content_sha256: "00f8b6a3b096a6968ef56036bc5c869059e83f9ed11e95ccc6edd45181958015"
scan_snapshot_fingerprint: "8134d6300a83ad5cea608b85fdeae24d5fbc1036475e7e41c243cbd1ca9f4ae9"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T19:56:13.185Z"
observed_at: "2026-11-15T19:53:56.086+00:00"
registry_published_at: "2026-11-15T14:56:04.217843+00:00"
registry_updated_at: null