Harpax
// autonomous ai security
Antivirus for AI.
Know what it touched. Every time.
AI coding assistants are powerful — and unsupervised. Harpax watches every file accessed, every command run, every external call made. And stops anything it shouldn't be doing.
// what a session looks like
harpax — session sess_4f2a19c · claude-code
09:14:02READsrc/auth/session.rb
09:14:04READconfig/database.yml
09:14:07EXECbundle exec rails db:migrate
09:14:22READconfig/credentials.yml.enc
09:14:23WARNcredentials file accessed — sensitive_file_pattern
09:14:45NETPOST api.github.com /repos/… [200]
09:14:46BLOCKexternal write blocked — severity: critical
09:15:38ENDsession complete · 2 warnings · 1 blocked
847
FILE OPS
23
COMMANDS
2
WARNINGS
1
BLOCKED
$0.34
COST
// for everyone who uses ai
01
File protection
Alerts the moment AI touches credentials, private documents, or system files.
02
Session summaries
Plain-English summary of every AI session. No logs to parse.
03
Stays local
No cloud upload. No telemetry. Your sessions are yours.
04
Real-time blocking
Stops dangerous actions before they run. Not after.
05
Cost visibility
Token and dollar cost per session. Know where you're burning budget.
06
Instant alerts
Desktop notifications when it matters. No dashboard to check.
// three-tier detection engine
T1
Pattern matching
<1ms
Fast regex detection catches known threat signatures instantly. On by default.
T2
Semantic similarity
10–50ms
AI embeddings catch paraphrased attacks that regex misses.
T3
LLM analysis
roadmap
Full LLM-powered threat analysis for sophisticated edge cases.
// active mode config
protection.modeactive
severity.criticalblock
severity.highwarn
severity.mediumlog
tier2.enabledfalse
cost.warning_threshold$5.00
retention.max_age_days30
// simple, honest pricing
One plan. Everything included.
No usage limits. No feature tiers. No gotchas.
INDIVIDUAL
$4.99 / month
14-day free trial
ENTERPRISE
$10 / seat
+ implementation fee
Start protecting your AI sessions.
14-day free trial. No credit card required. Works in under two minutes.