captcha.cc Human Verification
Human verification CAPTCHA with visual and selective-listening audio challenges.
| Endpoint | https://captcha.cc/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 3 tools · grade A (99) · pin ts_53d5e5be2eaa1fd605bbd8005c0b3164 · protocol 2025-06-18 |
| First / last listed | 2026-10-25 06:32 UTC / 2026-10-25 06:32 UTC |
| Grade over time | 2026-10-25: A (99), 3 tools |
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Tools: make_widget_snippet make_siteverify_request create_challenge
make_widget_snippet | Return a minimal browser SDK snippet for mounting captcha.cc and submitting the proof token to an application endpoint. params: site_key*, element_id, form_id, submit_path |
make_siteverify_request | Return a server-side fetch example for redeeming a captcha.cc proof token exactly once. params: secret_env_var, proof_token_expression |
create_challenge | Create a live captcha.cc challenge for a site key and allowed hostname. Useful for smoke tests and integration checks. params: site_key*, hostname* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.