mcp server
captcha.cc Human Verification
Human verification CAPTCHA with visual and selective-listening audio challenges.
Description as published by the maintainer. Source
- version 1.0.0
- archived
archived — The linked repository returns 404. It was deleted, renamed or made private.
What this server can do
3 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.
create_challenge(hostname, site_key)- Create a live captcha.cc challenge for a site key and allowed hostname. Useful for smoke tests and integration checks. Required: site_key, hostname.
make_siteverify_request(secret_env_var, proof_token_expression)- Return a server-side fetch example for redeeming a captcha.cc proof token exactly once.
make_widget_snippet(form_id, site_key, element_id, submit_path)- Return a minimal browser SDK snippet for mounting captcha.cc and submitting the proof token to an application endpoint. Required: site_key.
Last successful function declaration observed on . Source: https://captcha.cc/mcp. We list what the server declared; we do not call any of these functions.
Endpoint status observed on . Source: https://captcha.cc/mcp.
Signals
These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.
| Signal | Value | What it measures | Window | Observed | Source |
|---|---|---|---|---|---|
| Latest published version | 1.0.0 | Latest version string the maintainer published to the registry. | as of fetch | Model Context Protocol | |
| Registry record last updated | 2026-04-13 | When the registry record was last updated by its maintainer. | point in time | Model Context Protocol | |
| First listed in the MCP Registry | 2026-04-13 | Date this server was first published to the official MCP Registry. Not a usage or quality measure. | point in time | Model Context Protocol | |
| repository status | not_found | GitHub returned 404 for the repository the maintainer listed. The project was deleted, renamed or made private, so the listing points at nothing. | as of fetch | GitHub | |
| mcp tools declared | 3 tools | Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. | as of probe | captcha.cc | |
| mcp endpoint status | ok | The server listed 3 functions when asked. | as of probe | captcha.cc |
Where to get it
Also from earonesty
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Render HTML to PDF (html_to_pdf) plus boxpdf library docs and templates, for AI agents.
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Relin
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Inspect webhook health, investigate delivery failures, configure sources, and replay events.
This record as data
Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.
GET /api/v1/entries/mcp_server.json