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 skills add adinvadim/2captcha-cli --skill 2captcha-cligit clone --depth 1 https://github.com/adinvadim/2captcha-cliWrote 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/adinvadim/2captcha-cli/2captcha-cli)<a href="https://agentmods.dev/skills/adinvadim/2captcha-cli/2captcha-cli"><img src="https://agentmods.dev/badge/skills/adinvadim/2captcha-cli/2captcha-cli/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/adinvadim/2captcha-cli/2captcha-cli"><img src="https://agentmods.dev/badge/skills/adinvadim/2captcha-cli/2captcha-cli.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00020 | $0.01195 |
| Opus 5.5 | $0.00008 | $0.00478 |
| Sonnet 5.5 | $0.00004 | $0.00239 |
| Haiku 4.5 | $0.00002 | $0.00120 |
Grade A, and why
2captcha scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- 2captcha — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.
2Captcha Skill
Solve CAPTCHAs programmatically using the 2Captcha human-powered service.
Source and feedback: https://github.com/adinvadim/2captcha-cli
Privacy and Authorized Use
This skill sends CAPTCHA images, page URLs, sitekeys, challenge IDs, and task metadata to 2Captcha for processing by the 2Captcha service and its human solvers. Use it only for authorized automation, and do not submit sensitive, regulated, internal, or third-party user data unless you have approval.
Installation
# Install this agent skill with skills.sh
npx skills add adinvadim/2captcha-cli
# Or install with ClawHub/OpenClaw
openclaw skills install 2captcha
# Install the CLI after reviewing the source
git clone https://github.com/adinvadim/2captcha-cli.git
cd 2captcha-cli
python3 solve-captcha --version
mkdir -p ~/.local/bin
ln -sf "$PWD/solve-captcha" ~/.local/bin/solve-captcha
# Verify
solve-captcha --version
Configuration
# Save your 2Captcha API key
mkdir -p ~/.config/2captcha
echo "YOUR_API_KEY" > ~/.config/2captcha/api-key
# Or use environment variable
export TWOCAPTCHA_API_KEY="your-key"
Get your API key at https://2captcha.com/enterpage
The CLI reads credentials only from the --api-key flag, TWOCAPTCHA_API_KEY, ~/.config/2captcha/api-key, or ~/.2captcha-api-key.
Quick Reference
Check Balance First
solve-captcha balance
Image CAPTCHA
# From file
solve-captcha image /path/to/captcha.png
# From URL
solve-captcha image "https://site.com/captcha.jpg"
# With options
solve-captcha image captcha.png --numeric 1 --math
solve-captcha image captcha.png --comment "Enter red letters only"
reCAPTCHA v2
solve-captcha recaptcha2 --sitekey "6Le-wvk..." --url "https://example.com"
reCAPTCHA v3
solve-captcha recaptcha3 --sitekey "KEY" --url "URL" --action "submit" --min-score 0.7
hCaptcha
solve-captcha hcaptcha --sitekey "KEY" --url "URL"
Cloudflare Turnstile
solve-captcha turnstile --sitekey "0x4AAA..." --url "URL"
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.
- 1mo ago First seen · 177 lines · 20 tokens per session scan A 4d0d122339f8
2captcha is a skill published in the GitHub repository adinvadim/2captcha-cli (4 stars, last pushed 4mo ago), licensed MIT. It adds 20 tokens to every session and 1,195 once invoked, about $0.0001 per session on Opus 5.5. 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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