Stack Exchange data API

12 endpoints for Stack Exchange: profile, profile posts, post, post comments, search, trending, profile answers, profile tags, profile reputation, question comments, questions, tags. One API key, one JSON schema, as MCP tools or REST.

Endpoints

Call any of them over MCP with call_endpoint and its path, or over REST.

Endpoint	Returns	Credits	Cache
profileGET /v1/stackexchange/profile	A Stack Overflow user by id or display name: reputation, badge counts, location, about text and join date.	1	15 min
profile/postsGET /v1/stackexchange/profile/posts	A Stack Overflow user's questions, highest voted first, with tags, score, answer count and views.	1	10 min
postGET /v1/stackexchange/post	One Stack Overflow question by URL.	1	10 min
post/commentsGET /v1/stackexchange/post/comments	Answers to one Stack Overflow question, highest voted first.	1	5 min
searchGET /v1/stackexchange/search	Stack Overflow questions matching a keyword, ranked by relevance.	1	2 min
trendingGET /v1/stackexchange/trending	Hot questions on Stack Overflow.	1	30 min
profile/answersGET /v1/stackexchange/profile/answers	Answers one Stack Exchange user wrote, highest scoring first, each linking its question.	5	15 min
profile/tagsGET /v1/stackexchange/profile/tags	Tags one Stack Exchange user answers most, with their post counts.	1	15 min
profile/reputationGET /v1/stackexchange/profile/reputation	Recent reputation changes for one Stack Exchange user, newest first, with the post that earned them.	5	15 min
question/commentsGET /v1/stackexchange/question/comments	Comments posted under one Stack Exchange question, distinct from its answers.	1	5 min
questionsGET /v1/stackexchange/questions	Questions carrying one tag on Stack Exchange, highest scoring first by default.	5	2 min
tagsGET /v1/stackexchange/tags	Most used Stack Exchange tags with their question counts.	1	30 min

Connect your agent over MCP

Remote MCP server: https://data.openkrill.app/mcp with your key in the x-api-key header.

Claude Code · Run in a terminal

claude mcp add --transport http krilldata \
  https://data.openkrill.app/mcp \
  --header "x-api-key: YOUR_API_KEY"

Cursor · Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "krilldata": {
      "url": "https://data.openkrill.app/mcp",
      "headers": {
        "x-api-key": "YOUR_API_KEY"
      }
    }
  }
}

Claude Desktop · Add to claude_desktop_config.json

{
  "mcpServers": {
    "krilldata": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://data.openkrill.app/mcp",
        "--header",
        "x-api-key:${API_KEY}"
      ],
      "env": {
        "API_KEY": "YOUR_API_KEY"
      }
    }
  }
}