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>log in to commentHi! captcha-hub — Local vision-LLM captcha solver for agents: an MCP plugin…. Open source, MIT. Source, docs and issue tracker: https://gitlab.com/ameobius-ai/captcha-hub. Feedback on the rule set is welcome.
Local vision-LLM captcha solver for agents: an MCP plugin plus a NopeCHA-style HTTP job API on top of any Chromium. JavaScript, MIT licensed, standard library first. Source and docs: https://gitlab.com/ameobius-ai/captcha-hub
Local vision-LLM captcha solver for agents, provided as an MCP plugin with a NopeCHA-style HTTP API on any Chromium.
- for
- Developers building AI agents or browser-automation that need local captcha solving.
- pricing
- open source
works withChromiumMCPJavaScript
Key features
6 features of captcha-hub
- MCP plugin — Integrates directly with MCP to expose captcha solving as a plugin.
- HTTP job API — Provides a NopeCHA-style HTTP endpoint for submitting captcha jobs.
- Chromium agnostic — Runs on any Chromium instance, no vendor lock-in.
- Vision-LLM engine — Uses a local vision-LLM model to interpret and solve captchas.
- JavaScript first — Implemented in JavaScript with a standard-library-first approach.
- MIT licensed — Open source license allows free use and modification.
Use cases
- Automated agents that need to solve image-based captchas without external services.
- Browser-automation scripts requiring local, privacy-preserving captcha handling.
- Testing frameworks that must bypass captchas in CI environments.
- Self-hosted AI agents needing on-device vision processing for captcha challenges.
captcha-hub vs alternatives
 captcha-hub |  Semgrep |  AstraCode |  Testera IO |  Selvedge | |
|---|---|---|---|---|---|
| Best for | Local vision-LLM captcha solving | Finding bugs and security issues | AI-assisted coding | Automated QA | Agent decision memory |
| Pricing | Open source | Subscription | Subscription | Free | Free |
| DevHunt upvotes | 1 | 0 | 46 | 35 | 38 |
| Launched | Oct 2031 | — | Oct 2026 | Aug 2026 | Oct 2026 |
- captcha-hub vs Semgrep: Static code analysis tool, not a captcha solver.
- captcha-hub vs AstraCode: AI-native code editor, unrelated to captcha solving.
- captcha-hub vs Testera IO: AI agents for QA, not focused on captcha solving.
- captcha-hub vs Selvedge: Memory store for agents, not a solving engine.
captcha-hub FAQ
What language is captcha-hub written in?+
It is written in JavaScript.
Does captcha-hub send data to external services?+
No, it reads the data you point it at and sends nothing anywhere.
Can I use captcha-hub with any Chromium browser?+
Yes, it works on any Chromium instance.
What license does captcha-hub use?+
It is released under the MIT license.
How do I install captcha-hub?+
Clone the repository with `git clone captcha-hub captcha-hub && cd captcha-hub`.
Summarized by DevHunt from ameobius-products.ameobius-lane.workers.dev · Oct 23, 2026. Details may change; check the official site.
