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/greedychipmunk/agent-skills/sentrynpx skills add greedychipmunk/agent-skills --skill sentrygit clone --depth 1 https://github.com/greedychipmunk/agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/greedychipmunk/agent-skills/sentry)<a href="https://agentmods.dev/skills/greedychipmunk/agent-skills/sentry"><img src="https://agentmods.dev/badge/skills/greedychipmunk/agent-skills/sentry.svg" alt="Measured on agentmods" height="20"></a>What 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 5.1 | $0.00059 | $0.00565 |
| Opus 5 | $0.00030 | $0.00282 |
| Sonnet 5 | $0.00012 | $0.00113 |
| Haiku 4.5 | $0.00006 | $0.00056 |
Grade A, and why
sentry 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 5d 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.
What it actually says
Sentry Skill
Inspect Sentry issues and events, summarize production errors, and pull health data via the Sentry API. Read-only access using the bundled Python script.
When to Use
- Investigating production errors or exceptions
- Summarizing recent error trends
- Checking issue details, stack traces, and event counts
- Reviewing release health and adoption
- Pulling project or organization-level Sentry data
Prerequisites
# Required environment variable
export SENTRY_AUTH_TOKEN="your-auth-token"
# Set script path (adjust to your installation)
export SENTRY_API="scripts/sentry_api.py"
Usage
# List recent issues
python3 $SENTRY_API issues list --org my-org --project my-project
# Get issue details
python3 $SENTRY_API issues get --org my-org --issue-id 12345
# List events for an issue
python3 $SENTRY_API events list --org my-org --issue-id 12345
# Search issues
python3 $SENTRY_API issues search --org my-org --query "TypeError" --project my-project
# Release health
python3 $SENTRY_API releases list --org my-org --project my-project
Common Patterns
Error Investigation
# 1. List recent unresolved issues
python3 $SENTRY_API issues list --org my-org --project my-project --query "is:unresolved"
# 2. Get details on a specific issue
python3 $SENTRY_API issues get --org my-org --issue-id 12345
# 3. View recent events
python3 $SENTRY_API events list --org my-org --issue-id 12345
Trend Analysis
# Search for specific error types
python3 $SENTRY_API issues search --org my-org --query "TypeError" --project my-project
# Check release health
python3 $SENTRY_API releases list --org my-org --project my-project
Notes
- All operations are read-only — no write or modify operations
- Auth token needs appropriate scopes (org:read, project:read)
- Script path depends on your installation directory
- Use
--helpon any subcommand for available options
What ships with it
3 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.
- 5d ago First seen · 82 lines · 59 tokens per session scan A 53406295a0b4
sentry is a skill published in the GitHub repository greedychipmunk/agent-skills (17 stars, last pushed 13d ago), licensed MIT. It adds 59 tokens to every session and 565 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 2026-08-30.
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