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 skills/leefowlercu/agent-kit/op-secrets-readernpx skills add leefowlercu/agent-kit --skill op-secrets-readergit clone --depth 1 https://github.com/leefowlercu/agent-kitWhat 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 | $0.00063 | $0.00879 |
| Opus 5 | $0.00032 | $0.00439 |
| Sonnet 5 | $0.00013 | $0.00176 |
| Haiku 4.5 | $0.00006 | $0.00088 |
Grade A, and why
op-secrets-reader 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 yesterday.
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 — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Overview
This skill enables agents to read secrets from 1Password using the op CLI. It supports comprehensive read operations including full items, specific fields, documents, attachments, and one-time passwords.
The skill assumes the op CLI is installed and the user is already authenticated.
Table of Contents
Supported Operations
| Operation | Use Case |
|---|---|
| Get Item | Retrieve complete item with all fields |
| Get Field | Extract specific field value(s) |
| List Items | Browse items in vault(s) |
| Get Document | Retrieve document content |
| Get OTP | Get current one-time password |
| Read Reference | Read using op:// secret reference |
Workflow
Phase 1: Context Assessment
Step 1: Understand the Request
Determine what the user needs:
-
Identify the secret type:
- Specific item (name or ID known)
- Specific field from an item
- List of items (browsing/searching)
- Document content
- One-time password
- Secret reference (
op://URI)
-
Identify scope:
- Specific vault or search all vaults
- Any filtering criteria (tags, categories)
-
Clarify if needed:
- If item name is ambiguous, ask for vault or use item ID
- If multiple fields could match, ask which specific field
Phase 2: Secret Retrieval
Step 2: Execute the Appropriate Command
Based on the context assessment, execute the appropriate op command.
See op CLI Read Command Reference for complete command syntax.
Get Complete Item:
op item get "<item-name>" --format json
Get Specific Field:
op item get "<item-name>" --fields "<field-name>" --format json
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- yesterday First seen · 121 lines · 63 tokens per session scan A 286d7aee727b
op-secrets-reader is a skill published in the GitHub repository leefowlercu/agent-kit (6 stars, last pushed 29d ago), licensed MIT. It adds 63 tokens to every session and 879 once invoked, about $0.0003 per session on Opus 5. 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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