Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns.

MITAuto-check passedBackend & APIs

Install Clade Rate Limits

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill clade-rate-limits -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace clade-rate-limits --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/clade-rate-limits .claude/skills/clade-rate-limits && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
clade-rate-limits
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
310 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns.

  • Works in 3 steps: Review the patterns below → Apply to your codebase → Verify
  • Working with rate-limits patterns
  • SKILL.md covers Overview, Rate Limit Tiers, Response Headers and Built-In SDK Retries, plus 11 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Clade Rate Limits is an agent skill from jeremylongshore/tons-of-skills-marketplace. Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns. optimize throughput, and monitor usage. Trigger with "anthropic rate limit", "claude 429", "anthropic throttling", "anthropic usage limits", "claude tokens per minute".

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/one-pager.md`). Compatibility notes: Designed for Claude Code

It sits in Backend & APIs, covering Rate limiting. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Working with rate-limits patterns
  • With anthropic rate limit
  • Anthropic throttling
  • Anthropic usage limits

Example prompts

  • “anthropic rate limit”
  • “claude 429”
  • “anthropic throttling”
  • “/clade-rate-limits”

Requirements

  • Python 3
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Write, Edit

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Review the patterns below
  2. Apply to your codebase
  3. Verify

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript and python).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • platform.claude.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code

    From compatibility in the SKILL.md frontmatter.

Context cost

Clade Rate Limits loads about 1.2k tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 75 tokens; SKILL.md has 310 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~75
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 310 words, ~1,245 tokens.

Download SKILL.mdSave it as .claude/skills/clade-rate-limits/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
clade-rate-limits
description
Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns. optimize throughput, and monitor usage. Trigger with "anthropic rate limit", "claude 429", "anthropic throttling", "anthropic usage limits", "claude tokens per minute".
allowed-tools
Read, Write, Edit
compatibility
Designed for Claude Code
version
1.1.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, anthropic, claude, rate-limits

Anthropic Rate Limits

Overview

Anthropic enforces three types of limits: requests per minute (RPM), input tokens per minute (TPM), and output tokens per minute. Limits depend on your spend tier.

Rate Limit Tiers

TierQualificationRPMInput TPMOutput TPM
Tier 1Free5040,0008,000
Tier 2$40+ spend1,00080,00016,000
Tier 3$200+ spend2,000160,00032,000
Tier 4$400+ spend4,000400,00080,000
ScaleCustomCustomCustomCustom

Check your tier: console.anthropic.com → Settings → Limits

Response Headers

Every API response includes rate limit headers:

claude-ratelimit-requests-limit: 1000
claude-ratelimit-requests-remaining: 998
claude-ratelimit-requests-reset: 2025-01-01T00:01:00Z
claude-ratelimit-tokens-limit: 80000
claude-ratelimit-tokens-remaining: 79500
claude-ratelimit-tokens-reset: 2025-01-01T00:01:00Z
retry-after: 5

Built-In SDK Retries

The SDK automatically retries 429 and 529 errors with exponential backoff:

typescript
import Anthropic from '@claude-ai/sdk';

const client = new Anthropic({
  maxRetries: 3, // default: 2. Set to 0 to disable.
});

Custom Backoff

typescript
async function callWithBackoff(params: Anthropic.MessageCreateParams, maxRetries = 5) {
  for (let attempt = 0; attempt < maxRetries; attempt++) {
    try {
      return await client.messages.create(params);
    } catch (err) {
      if (err instanceof Anthropic.RateLimitError) {
        const retryAfter = Number(err.headers?.['retry-after'] || 2 ** attempt);
        const jitter = Math.random() * 1000;
        console.log(`Rate limited. Retry in ${retryAfter}s (attempt ${attempt + 1})`);
        await new Promise(r => setTimeout(r, retryAfter * 1000 + jitter));
      } else {
        throw err;
      }
    }
  }
  throw new Error('Exceeded max retries');
}

Throughput Optimization

StrategyImpact
Use Message Batches APIBypasses rate limits entirely (async, 24h SLA)
Use prompt cachingCached tokens don't count toward input TPM
Use smaller models for simple tasksLower token counts = more requests per minute
Pre-count tokens with countTokensAvoid wasted requests that will fail
Queue and batch requestsSmooth out bursts

Token Counting

typescript
// Count before sending — avoid burning RPM on requests that'll fail
const count = await client.messages.countTokens({
  model: 'claude-sonnet-4-20250514',
  messages,
  system: systemPrompt,
});
console.log(`This request will use ${count.input_tokens} input tokens`);

Python

python
import anthropic
import time

client = anthropic.Anthropic(max_retries=5)

# Or manual handling:
try:
    message = client.messages.create(...)
except anthropic.RateLimitError as e:
    retry_after = float(e.response.headers.get("retry-after", 5))
    time.sleep(retry_after)

Output

  • Rate limit tier identified from response headers
  • SDK configured with appropriate maxRetries setting
  • Custom backoff implemented with jitter for high-throughput use cases
  • Throughput optimized using batches, caching, or model selection

Error Handling

ErrorCauseSolution
API ErrorCheck error type and status codeSee clade-common-errors

Examples

See Rate Limit Tiers table, Response Headers section, Built-In SDK Retries, Custom Backoff implementation, and Throughput Optimization strategies above.

Resources

Next Steps

See clade-cost-tuning for cost optimization strategies.

Prerequisites

  • Completed clade-install-auth
  • Understanding of HTTP response headers
  • Familiarity with exponential backoff patterns

Instructions

Step 1: Review the patterns below

Each section contains production-ready code examples. Copy and adapt them to your use case.

Step 2: Apply to your codebase

Integrate the patterns that match your requirements. Test each change individually.

Step 3: Verify

Run your test suite to confirm the integration works correctly.

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/clade-rate-limits of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/one-pager.md

Open the folder on GitHubat commit cfae287

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Categories

Questions about Clade Rate Limits

What does Clade Rate Limits do?

Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns. Clade Rate Limits is an agent skill from jeremylongshore/tons-of-skills-marketplace. Handle Anthropic rate limits — understand tiers, implement backoff, Use when working with rate-limits patterns.

When should I use Clade Rate Limits?

Clade Rate Limits fits situations like: working with rate-limits patterns; with anthropic rate limit; anthropic throttling; anthropic usage limits.

How do I install Clade Rate Limits in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill clade-rate-limits -a claude-code`. Or copy the skill folder (skills/.curated/clade-rate-limits in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/clade-rate-limits in your project. Claude Code loads it when a task matches its description.

How do I install Clade Rate Limits in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill clade-rate-limits -a codex`. Or copy the skill folder (skills/.curated/clade-rate-limits in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/clade-rate-limits in your project. Codex loads it when a task matches its description.

Can I use Clade Rate Limits in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill clade-rate-limits -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/clade-rate-limits, .gemini/skills/clade-rate-limits, .github/skills/clade-rate-limits and .opencode/skills/clade-rate-limits in your project.

What does Clade Rate Limits need to run?

SKILL.md names no scripts, command-line tools or credentials: Clade Rate Limits is instructions for the agent only. Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code.

Does Clade Rate Limits access the network?

SKILL.md names 1 domain. As links in the text: platform.claude.com. This is read from the text; nothing was executed.

Is Clade Rate Limits safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Clade Rate Limits use?

Clade Rate Limits is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Clade Rate Limits use?

About 1.2k tokens (SKILL.md is roughly 5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 401 tokens, read only when the agent opens those files.

What are the alternatives to Clade Rate Limits?

Skills that share tags, products or a category with Clade Rate Limits: Add Hosted Key (simstudioai/sim, 30k stars), Upstash Ratelimit TS (upstash/ratelimit-js, 2k stars), Repo2skill (zhangyanxs/repo2skill, 246 stars) and Better Auth Security Best Practices (EpicenterHQ/epicenter, 4.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Clade Rate Limits?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.