MCP, MCP server
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.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
SECRETS_PATH_DOTENV
Why this grade
- SECRETS_PATH_DOTENV Low
Mentions a .env file.
CLAUDE.md, line 27
├── config.py # pydantic-settings (.env)
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Pass
No network call found.
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
CLAUDE.md, line 27
├── config.py # pydantic-settings (.env)
twocaptcha_mcp/__main__.py, line 23
"Set 2Captcha_API_KEY in your environment or in a .env file next to the server.\n"
twocaptcha_mcp/config.py, line 1
"""Runtime configuration loaded from environment and .env file."""
Show more
twocaptcha_mcp/config.py, line 29
env_file=".env",
twocaptcha_mcp/webhook_receiver/__main__.py, line 36
"Set 2Captcha_API_KEY in your environment or in a .env file.\n"
.gitignore, line 27
# Secrets
.gitignore, line 28
.env
.gitignore, line 29
.env.local
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 8d0b639b1d9d. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 8d0b639b1d9d0207f6a95457bb28e1b7bca95bd9
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