Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add commands/agentmessaging/claude-plugin/amp-readgit clone --depth 1 https://github.com/agentmessaging/claude-pluginWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00000 | $0.00570 |
| Opus 5 | $0.00000 | $0.00285 |
| Sonnet 5 | $0.00000 | $0.00114 |
| Haiku 4.5 | $0.00000 | $0.00057 |
Grade A, and why
amp-read scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/amp-read
Read a specific message from your inbox.
Usage
/amp-read <message-id> [options]
Arguments
message-id- The message ID (from amp-inbox)
Options
--no-mark-read, -n- Don't mark the message as read--json, -j- Output raw JSON--sent, -s- Read from sent folder instead of inbox
Examples
Read a message
/amp-read msg_1706648400_abc123
Read without marking as read
/amp-read msg_1706648400_abc123 --no-mark-read
Get JSON output
/amp-read msg_1706648400_abc123 --json
Read a sent message
/amp-read msg_1706648400_abc123 --sent
Implementation
When this command is invoked, execute:
scripts/amp-read.sh "$@"
Output
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
MESSAGE
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
ID: msg_1706648400_abc123
From: [email protected]
To: [email protected]
Subject: Code review request
Date: Feb 2, 2025 10:30 AM
Priority: high 🔴
Type: request
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Please review PR #42 when you get a chance.
The OAuth implementation is ready for review.
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CONTEXT
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{
"pr": 42,
"repo": "agents-web"
}
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ATTACHMENTS (2)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✅ att_1234_abc report.pdf (245.3 KB, application/pdf)
✅ att_1234_def screenshot.png (1.2 MB, image/png)
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✓ Marked as read
Actions:
Reply: amp-reply msg_1706648400_abc123 "Your reply message"
Delete: amp-delete msg_1706648400_abc123
Download: amp-download msg_1706648400_abc123 --all
Message Not Found
If the message ID doesn't exist:
Error: Message not found: msg_invalid_id
Make sure the message ID is correct. Use 'amp-inbox' to list messages.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 106 lines · 0 tokens per session scan A eb725d0a0f65
amp-read is a command published in the GitHub repository agentmessaging/claude-plugin (5 stars, last pushed 14d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 570 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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