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handler-debug

agent-handler: Debug session identity and inbox state.

Skill by mturley

IndexedCC0-1.0
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/mturley-handler-debug

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

agent-handler: Debug session identity and inbox state. Use when the statusline shows unread messages but /inbox returns nothing, or other session identity mismatches.

Use cases: agent-building

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/handler-debug

What's inside

Skill name
handler-debug
Description
agent-handler: Debug session identity and inbox state. Use when the statusline shows unread messages but /inbox returns nothing, or other session identity mismatches.
License
CC0-1.0
Instructions
26 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# /handler-debug — Debug Session Identity

Run these commands and report the output exactly. This reveals how the CLI resolves session identity from within a tool call, which may differ from the statusline hook.

```bash
echo "=== Session Resolution ==="
handler whoami 2>&1
echo ""
echo "=== Unread Count ==="
handler unread --count 2>&1
echo ""
echo "=== Cursor ==="
handler query "SELECT session_id, last_seen_ts, human_seen_ts FROM session_cursors WHERE session_id = (SELECT session_id FROM sessions WHERE pid = $PPID AND status = 'active' LIMIT 1)" 2>&1
echo ""
echo "=== PID Info ==="
echo "PPID=$PPID"
echo "CLAUDE_PID=${CLAUDE_PID:-unset}"
ls -la ~/.agent-handler/data/sessions/ 2>&1 | grep "$$\|$PPID" || echo "No PID cache match for $$ or $PPID"
echo ""
echo "=== Active Sessions ==="
handler query "SELECT session_id, session_name, pid, status FROM sessions WHERE status = 'active' ORDER BY last_active DESC LIMIT 10" 2>&1
```

Compare the session ID shown here with the one in the statusline debug output (`[debug] id=...`). If they differ, that's the root cause — the statusline and the CLI are resolving to different sessions.

From mturley/agent-handler, CC0-1.0.

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Last commit (this folder)
Aug 5, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
CC0-1.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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handler-debug skill. Agent Mart. https://agentmart.dev/skills/mturley-handler-debug (last updated 2026-10-24)