2Captcha MCP server

by aruxojuyu665·io.github.aruxojuyu665/twocaptcha-mcp·v0.6.1·3 stars

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Full 2Captcha API (43 tools) for Claude Code: 31 captcha solvers + management + webhook.

B75/100grade B

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Safety scan

B75/100

full report

Adoption

New

3 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

2Captcha MCP tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings

Code scan52 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 70 days ago12/15
Maintainer identityregistry namespace matches repository owner6/10

Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How 2Captcha MCP compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 75/100; higher than 45% of 48,255 servers
GitHub stars: 3; more than 80% of 28,688 servers

Install 2Captcha MCP in Claude Code, Cursor or VS Code

claude mcp add twocaptcha-mcp -- uvx twocaptcha-mcp

Add to Cursor

What the publisher says

From the 2Captcha MCP repository's README, as published. We do not edit it. Read it on GitHub

2Captcha MCP

MCP server exposing the full 2Captcha API surface — 31 captcha types, 5 management tools, 3 pingback CRUD tools, 3 webhook event-store tools, and 1 composite solve-and-wait tool (43 tools total) — to Claude Code via stdio.

Built on the official 2captcha-python SDK (AsyncTwoCaptcha), so retry/polling/parsing are handled upstream and every captcha type the SDK supports is available the moment the SDK adds it.

Quick start

pip install twocaptcha-mcp
# or for development:
pip install -e ".[dev]"

Create a .env next to the project root:

2Captcha_API_KEY=your_2captcha_key_here

Verify it works:

python -m twocaptcha_mcp           # starts the stdio server (Ctrl+C to stop)

claude mcp add 2captcha -e 2Captcha_API_KEY=your_2captcha_key_here -- python -m twocaptcha_mcp

After a claude restart, prompt the model with:

"Use twocaptcha_balance to check my account."

Configuration

All settings are environment-driven. Aliases in priority order:

Tools

Captcha solvers (31)

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

2Captcha MCP: common questions

Is 2Captcha MCP server safe?: Mostly: it is graded B (75/100). Read the 2Captcha MCP safety report
How do I install 2Captcha MCP?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does 2Captcha MCP need an API key?: Yes. The registry entry asks for 2Captcha_API_KEY.
Is 2Captcha MCP maintained?: The last commit was 107 days ago (2026-07-20). The latest release is v0.6.1.
How does 2Captcha MCP compare with other MCP servers?: safety score 75/100 (higher than 45% of 48,255 servers); github stars 3 (more than 80% of 28,688 servers). Full comparison.