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MCP Server

Boolsai Signals

ai.boolsai/signals
Data & Analytics Finance & Investing Unavailable MCP 2026-07-28

What this MCP does

Analyzes historical website technology changes for public companies and provides event feeds, signal discovery, price-impact analysis, and benchmarked backtests.

Capabilities

Tools

12 tools
domain_timeline
Week-by-week wayback diff timeline for one domain. Returns every detected stack change (additions / removals) with week date. Use this to see when a vendor was added/removed historically, e.g. 'when did adobe.com add Segment?'
Input schema 
{'type': 'object', 'required': ['domain'], 'properties': {'limit': {'type': 'integer', 'default': 100}, 'domain': {'type': 'string', 'description': "e.g. 'adobe.com'"}, 'contains': {'type': 'string', 'description': "Filter to events whose key_path or key_name contains this string (e.g. 'segment')"}, 'change_type': {'enum': ['added', 'removed', 'changed', 'any'], 'type': 'string', 'default': 'any'}}}
event_dossier
Deep dive on a single event: full diff (added/removed values), surrounding price action (-3D to +14D), predicted vs actual α, links to wayback comparison. Use this to investigate a specific event flagged by find_signals or recent_events.
Input schema 
{'type': 'object', 'required': ['event_id'], 'properties': {'event_id': {'type': 'integer', 'description': 'change_event id'}}}
farm_domain
Bulk-farm a domain's historical wayback snapshots into our index. Use this when you need backtest history on a domain we haven't already farmed (i.e. wayback_backtest / domain_timeline return no data for it). Hits CDX → samples weekly → parallel-scans up to 50 snapshots via intel.boolsai.ai → inserts into wayback_intel_profiles. After farming completes you can call wayback_backtest or domain_timeline on the domain immediately. Cost: ~30-60s wall time, ~50 intel scans.
Input schema 
{'type': 'object', 'required': ['domain'], 'properties': {'weeks': {'type': 'integer', 'default': 26, 'description': 'How many weeks of history to farm (default 26 = ~6 months; max 100)'}, 'domain': {'type': 'string', 'description': "Bare domain, e.g. 'sweetgreen.com'"}, 'max_snapshots': {'type': 'integer', 'default': 50, 'description': 'Hard cap on snapshots to fetch (default 50; max 200)'}}}
find_signals
Automated pattern discovery — scans event_type × detector × diff_field × severity combinations and returns those with the strongest forward-return characteristics (α vs SPY, % positive, n). Use this when you don't have a specific hypothesis yet. Returns sorted by α at +7D descending. Filter by min_n to set a sample-size floor.
Input schema 
{'type': 'object', 'properties': {'min_n': {'type': 'integer', 'default': 10, 'description': 'Minimum sample size (default 10)'}, 'top_k': {'type': 'integer', 'default': 15, 'description': 'Top K combos to return (default 15)'}, 'group_by': {'enum': ['event_type', 'detector', 'diff_field', 'severity', 'co_occurrence'], 'type': 'string', 'default': 'event_type', 'description': 'What dimension to slice on'}, 'horizon_days': {'type': 'integer', 'default': 7, 'description': 'Forward-return window (default 7)'}}}
recent_events
Live signal feed: events fired in the last N days (default 7). Returns each event with the predicted α range based on its event type's historical performance. Use this to surface 'what should I be looking at right now?'
Input schema 
{'type': 'object', 'properties': {'days': {'type': 'integer', 'default': 7, 'description': 'Lookback in calendar days (max 30)'}, 'min_co_occurrence': {'type': 'integer', 'description': 'Only show events with this many same-day detectors (4 = high-conviction)'}}}
scan_at_date
Scan a URL as it appeared on a historical date via the Wayback Machine. Uses intel.boolsai.ai against the wayback-wrapped URL. Returns the same JSON shape as Boolsai Scan but for a historical snapshot. Use when investigating WHEN a vendor was added/removed.
Input schema 
{'type': 'object', 'required': ['url', 'date'], 'properties': {'url': {'type': 'string', 'description': "Original URL (e.g. 'https://gymshark.com/')"}, 'date': {'type': 'string', 'description': 'YYYY-MM-DD — closest wayback snapshot on or before this date will be used'}}}
signal_diff
Compare two signal patterns side-by-side. e.g. 'how does PRICING_TIERS_ADDED compare to VENDORS_DETECTED_CHANGED on the live dataset?' Returns α, %pos, sample size, worst/best trades for each, plus delta. Pure D1, fast.
Input schema 
{'type': 'object', 'required': ['signal_a', 'signal_b'], 'properties': {'signal_a': {'type': 'object', 'description': 'First filter (same shape as test_filter args)'}, 'signal_b': {'type': 'object', 'description': 'Second filter'}, 'horizon_days': {'type': 'integer', 'default': 7}}}
signal_landscape
ONE-SHOT cross-signal sweep. Computes α-vs-SPY stats simultaneously across event_type, detector, diff_field, severity, AND co_occurrence dimensions — returns the full landscape in a single response. Use this FIRST when you want to see where signal lives without having to call find_signals N times. Stateless, pure D1, no rate-limit risk, ~1s response. Cached per arg set for sub-100ms repeated queries.
Input schema 
{'type': 'object', 'properties': {'min_n': {'type': 'integer', 'default': 20, 'description': 'Sample-size floor per group'}, 'since': {'type': 'string', 'description': 'Optional YYYY-MM-DD lower bound on event date'}, 'source': {'enum': ['live', 'wayback', 'both'], 'type': 'string', 'default': 'both', 'description': "Which event dataset to scan. 'live' = 1.7K recent. 'wayback' = 13K over 2 years. 'both' = run both and return side-by-side."}, 'horizon_days': {'type': 'integer', 'default': 7, 'description': 'Forward-return window (default 7)'}, 'top_k_per_dim': {'type': 'integer', 'default': 8, 'description': 'Top K results per dimension (default 8)'}}}
test_filter
Compute α stats for an arbitrary filter expression. Use this to test a specific hypothesis (e.g. 'tier_count_changed on enterprise-SaaS tickers' or 'severity 5 events that happened on Mondays'). Returns n, mean/median raw and α returns at +1/+3/+7d, % positive, and the worst-loss trade.
Input schema 
{'type': 'object', 'properties': {'since': {'type': 'string', 'description': 'YYYY-MM-DD lower bound'}, 'until': {'type': 'string', 'description': 'YYYY-MM-DD upper bound'}, 'ticker': {'type': 'string', 'description': 'single ticker to filter to'}, 'detector': {'type': 'string', 'description': "e.g. 'pricing_detector'"}, 'event_type': {'type': 'string', 'description': "e.g. 'TIER_COUNT_CHANGED' (case-insensitive)"}, 'severity_min': {'type': 'integer', 'description': 'minimum severity (1-5)'}, 'co_occurrence_min': {'type': 'integer', 'description': "min same-day detector count (4 = 'real redesign')"}}}
ticker_history
All events fired on a single ticker, plus price action timeline. Use this to investigate one company's pattern (e.g. 'show me everything we caught on NFLX').
Input schema 
{'type': 'object', 'required': ['ticker'], 'properties': {'limit': {'type': 'integer', 'default': 50}, 'ticker': {'type': 'string', 'description': "e.g. 'NFLX'"}}}
universe_summary
Orient the agent: total events, tickers, date range, top event types, top detectors, price coverage, SPY benchmark status. Call this FIRST when starting research. Returns counts that let the agent reason about sample sizes before drilling in.
Input schema 
{'type': 'object', 'properties': {}}
wayback_backtest
Run an SPY-benchmarked backtest on the WAYBACK historical event dataset (2+ years, 13K events) instead of the recent live event dataset (2 months, 1.7K events). Much bigger samples for statistical confidence. Group by change_type / key_path / domain.
Input schema 
{'type': 'object', 'properties': {'min_n': {'type': 'integer', 'default': 20, 'description': 'Minimum sample size'}, 'since': {'type': 'string', 'description': 'YYYY-MM-DD lower bound on event date (default: when prices start)'}, 'top_k': {'type': 'integer', 'default': 15}, 'group_by': {'enum': ['change_type', 'key_path', 'key_name', 'parent_path', 'domain'], 'type': 'string', 'default': 'key_path', 'description': 'Dimension to slice on'}, 'horizon_days': {'type': 'integer', 'default': 7, 'description': 'Forward-return window'}, 'exclude_noise': {'type': 'boolean', 'default': True, 'description': 'Filter out is_meta_noise=1 events'}}}
History

Recent tool changes

Added
farm_domain
Sept. 11, 2026, 3:32 p.m.
Added
signal_diff
Sept. 11, 2026, 3:32 p.m.
Added
signal_landscape
Sept. 11, 2026, 3:32 p.m.
Added
domain_timeline
Sept. 11, 2026, 3:32 p.m.
Added
wayback_backtest
Sept. 11, 2026, 3:32 p.m.
Added
ticker_history
Sept. 11, 2026, 3:32 p.m.
Added
scan_at_date
Sept. 11, 2026, 3:32 p.m.
Added
event_dossier
Sept. 11, 2026, 3:32 p.m.
Added
recent_events
Sept. 11, 2026, 3:32 p.m.
Added
test_filter
Sept. 11, 2026, 3:32 p.m.
Added
find_signals
Sept. 11, 2026, 3:32 p.m.
Added
universe_summary
Sept. 11, 2026, 3:32 p.m.
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