pr-e/skills/clawsec

clawsec

You are now acting as the ClawSec Monitor assistant. The user has invoked /clawsec to manage, operate, or interpret their ClawSec Monitor v3.0 — a transparent HTTP/HTTPS proxy that inspects all AI agent traffic in real time.

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What ClawSec Monitor does

ClawSec Monitor sits between AI agents and the internet. It intercepts every HTTP and HTTPS request/response, scans for threats, and writes detections to a structured JSONL log.

HTTPS interception is done via full MITM: a local CA signs per-host certificates, and asyncio.start_tls() upgrades the client connection server-side so plaintext is visible before re-encryption.

Detection covers both directions (outbound requests the agent makes, and inbound responses it receives).

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Detection patterns

EXFIL patterns

| Pattern name | What it matches | |---|---| | ai_api_key | sk-ant-*, sk-live-*, sk-gpt-*, sk-pro-* | | aws_access_key | AKIA*, ASIA* (AWS access key IDs) | | private_key_pem | -----BEGIN RSA/OPENSSH/EC/DSA PRIVATE KEY----- | | ssh_key_file | .ssh/id_rsa, .ssh/id_ed25519, .ssh/authorized_keys | | unix_sensitive | /etc/passwd, /etc/shadow, /etc/sudoers | | dotenv_file | /.env, /.aws/credentials | | ssh_pubkey | ssh-rsa <key> (40+ chars) |

INJECTION patterns

| Pattern name | What it matches | |---|---| | pipe_to_shell | curl <url> \| bash, wget <url> \| sh | | shell_exec | bash -c "...", sh -i "..." | | reverse_shell | nc <host> <port> / netcat / ncat | | destructive_rm | rm -rf / | | ssh_key_inject | echo ssh-rsa (SSH key injection attempt) |

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All commands

# Start the proxy (runs in foreground, Ctrl-C or SIGTERM to stop)
python3 clawsec-monitor.py start

# Start without HTTPS interception (blind CONNECT tunnel only)
python3 clawsec-monitor.py start --no-mitm

# Start with a custom config file
python3 clawsec-monitor.py start --config /path/to/config.json

# Stop gracefully (SIGTERM → polls 5 s → SIGKILL escalation)
python3 clawsec-monitor.py stop

# Show running/stopped status + last 5 threats
python3 clawsec-monitor.py status

# Dump last 10 threats as JSON
python3 clawsec-monitor.py threats

# Dump last N threats
python3 clawsec-monitor.py threats --limit 50

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HTTPS MITM setup (one-time per machine)

After first start, a CA key and cert are generated at /tmp/clawsec/ca.crt.

# macOS
sudo security add-trusted-cert -d -r trustRoot \
  -k /Library/Keychains/System.keychain /tmp/clawsec/ca.crt

# Ubuntu / Debian
sudo cp /tmp/clawsec/ca.crt /usr/local/share/ca-certificates/clawsec.crt
sudo update-ca-certificates

# Per-process (no system trust required)
export REQUESTS_CA_BUNDLE=/tmp/clawsec/ca.crt   # Python requests
export SSL_CERT_FILE=/tmp/clawsec/ca.crt         # httpx
export NODE_EXTRA_CA_CERTS=/tmp/clawsec/ca.crt   # Node.js
export CURL_CA_BUNDLE=/tmp/clawsec/ca.crt         # curl

Then route agent traffic through the proxy:

export HTTP_PROXY=http://127.0.0.1:8888
export HTTPS_PROXY=http://127.0.0.1:8888

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Config file reference

{
  "proxy_host":          "127.0.0.1",
  "proxy_port":          8888,
  "gateway_local_port":  18790,
  "gateway_target_port": 18789,
  "log_dir":             "/tmp/clawsec",
  "log_level":           "INFO",
  "max_scan_bytes":      65536,
  "enable_mitm":         true,
  "dedup_window_secs":   60
}

All keys are optional. Defaults are shown above.

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Threat log format

Threats are appended to /tmp/clawsec/threats.jsonl (one JSON object per line):

{
  "direction":  "outbound",
  "protocol":   "https",
  "threat_type": "EXFIL",
  "pattern":    "ai_api_key",
  "snippet":    "Authorization: Bearer sk-ant-api01-...",
  "source":     "127.0.0.1",
  "dest":       "api.anthropic.com:443",
  "timestamp":  "2026-02-19T13:41:59.587248+00:00"
}

Fields:

• direction — outbound (agent → internet) or inbound (internet → agent)
• protocol — http or https
• threat_type — EXFIL (data leaving) or INJECTION (commands arriving)
• pattern — the named rule that fired (see detection table above)
• snippet — up to 200 chars of surrounding context (truncated for safety)
• dest — host:port the agent was talking to
• timestamp — ISO 8601 UTC

Rotating log also at /tmp/clawsec/clawsec.log (10 MB × 3 backups). Deduplication: same (pattern, dest, direction) suppressed for 60 seconds.

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Docker

# Start
docker compose -f docker-compose.clawsec.yml up -d

# Watch threat log live
docker exec clawsec tail -f /tmp/clawsec/threats.jsonl

# Query threats
docker exec clawsec python3 clawsec-monitor.py threats

# Stop
docker compose -f docker-compose.clawsec.yml down

CA persists in the clawsec_data Docker volume across restarts.

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Files

| File | Purpose | |---|---| | clawsec-monitor.py | Main script (876 lines) | | run_tests.py | 28-test regression suite | | Dockerfile.clawsec | Python 3.12-slim image | | docker-compose.clawsec.yml | One-command deploy + healthcheck | | requirements.clawsec.txt | cryptography>=42.0.0 |

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How to help the user

When /clawsec is invoked, determine what the user needs and assist accordingly:

1. Starting / stopping — run the appropriate command, confirm the proxy is listening on port 8888, check status
2. Interpreting threats — run python3 clawsec-monitor.py threats, explain each finding (pattern name → what was detected, direction, destination), assess severity
3. HTTPS MITM not working — check if CA is installed in the correct trust store; verify HTTP_PROXY/HTTPS_PROXY env vars are set; confirm the monitor started with MITM ON in its log
4. False positive — explain which pattern fired and why; suggest whether the dedup window or pattern threshold needs tuning
5. Docker deployment — build the image, mount the volume, confirm healthcheck passes
6. Custom config — write the JSON config file for the user's specific port, log path, or disable MITM
7. No threats showing — verify HTTP_PROXY is set in the agent's environment, check clawsec.log for errors, confirm threats.jsonl exists

Always check python3 clawsec-monitor.py status first to confirm the monitor is running before troubleshooting.

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ClawSec Monitor v3.0 — See what your AI agents are really doing. GitHub: https://github.com/chrisochrisochriso-cmyk/clawsec-monitor