rate-limiting SKILL.md skillA
rate-limiting from chunkydotdev/email-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add chunkydotdev/email-skills/rate-limiting@git:20260330.cc39d5fPins git:20260330.cc39d5f in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- chunkydotdev/email-skills
- Path
skills/operations/rate-limiting/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260330.cc39d5f, committed Mar 30, 2026
- Size
- 20,007 bytes
- Repository stars
- 7
- License
- MIT
Implement email rate limiting and volume controls that protect sender reputation. Use when setting up send throttling, handling ISP deferrals, configuring per-domain limits, or debugging 421 errors and throttled delivery.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Rate Limiting Volume controls that protect your sender reputation from runaway sends, ISP throttling, and agent-driven spikes. ## When to use this skill - Setting up rate limits for a new sending system or email integration - Seeing 421 SMTP errors or deferred delivery from Gmail, Microsoft, or Yahoo - An AI agent or automated system is sending email and you need guardrails - Configuring per-domain throttling to avoid overwhelming recipient mail servers - Debugging why sends are being blocked or queued unexpectedly - Planning a large batch send and need to calculate safe sending rates - Your email provider suspended or throttled your account for volume spikes ## Related skills - `bounce-handling` - processing the soft bounces that result from ISP throttling - `email-warmup` - ramping volume on new domains/IPs (rate limiting during warmup is critical) - `sender-reputation` - understanding the reputation signals that rate limiting protects - `sender-monitoring` - dashboards and alerts for catching rate limit issues early - `suppression-lists` - managing bounces and complaints that compound rate limit problems --- ## Why rate limiting matters …
Read the whole file at its exact version.
How to install
mdr add chunkydotdev/email-skills/rate-limiting@sha256:f6bef32ab8e30ecdThe line at the top of this page pins the label git:20260330.cc39d5f, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_hseeqqnln22idbpf)
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Versions
The registry has recorded 1 version of this file, committed on Mar 30, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (20007 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
chunkydotdev/email-skills · 7 stars · license MIT · pushed 2026-10-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_hseeqqnln22idbpf GET https://markdownregistry.com/api/v1/resolve?ref=chunkydotdev/email-skills/rate-limiting GET https://markdownregistry.com/api/v1/blob/f6bef32ab8e30ecdc3c3d23293ae96bdf4d10b5b6cfe3f46542e34e2a6d8bf8d
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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