Read-only search of hackathons, team-up posts and projects on 黑123 (hack123.henryht.sh), zh/en.
Connect Remote server
claude mcp add --transport http hack123 https://hack123.henryht.sh/api/mcp
{
"mcpServers": {
"hack123": {
"url": "https://hack123.henryht.sh/api/mcp"
}
}
}
{
"servers": {
"hack123": {
"type": "http",
"url": "https://hack123.henryht.sh/api/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://hack123.henryht.sh/api/mcp
Tools 4 found in our last check
search_hackathonsSearch hackathons listed on 黑123 (hack123.henryht.sh). Bilingual (zh/en) fields; every result has its site URL. status: upcoming = start date in the future, open = deadline today or later, ended = deadline passed (dates in UTC, YYYY-MM-DD).
get_hackathonGet one hackathon by slug (the part after /h/ in the site URL), with bilingual details, official sources, related works and active team posts.
search_team_postsSearch active team-up (looking for teammates) posts from 黑123 /team. Expired posts are excluded with the same rule as the site.
search_worksSearch hackathon projects (works) collected on 黑123 /works, by hackathon and/or tag. Tags are bilingual, e.g. agent / Agent, education / 教育学习, web / 网页应用.
Details
| Endpoint | https://hack123.henryht.sh/api/mcp (Streamable HTTP) |
| First published | 14 Oct 2026 |
| Last updated | 14 Oct 2026 |
| Registry name | io.github.onehumanbeing/hack123 |
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