headlesson
Find and compare headless apps (CLI, MCP, API) for agents, with sources, lessons and changes.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.headlesson.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.headlesson.com/mcp{
"mcpServers": {
"catalog": {
"url": "https://mcp.headlesson.com/mcp"
}
}
}claude mcp add --transport http catalog https://mcp.headlesson.com/mcp{
"servers": {
"catalog": {
"type": "http",
"url": "https://mcp.headlesson.com/mcp"
}
}
}4 tools, verified live
headlesson_searchread-onlyFind command-line tools, MCP servers and APIs for a task, and compare them. Ask in plain English or Japanese ("extract text from scanned PDFs") or by product name. Each result gives an ID, a one-line reason it matches, and when it was checked. Pass the ID to headlesson_get with sections ["lesson","gotchas"] to get the steps (install, check, first task) with their recorded test result (most were ru
headlesson_getread-onlyGet one record by an ID from headlesson_search: an app, usecase, feature, concept or change. For an app, sections ["lesson","gotchas"] return the install, check and first-task steps with the recorded test result (a dated observation by the headlesson operator) and known failure conditions; "relations" lists alternatives and what it wraps or depends on; "axes" returns every compared fact. Without s
headlesson_whats_newread-onlyList dated changes in agent tools and standards (new tools, renames, deprecations, breaking changes, new standards) since a date, optionally by kind or affected record. Useful for checking what changed after your training data. Public source URLs are kept; private sources appear as labels.
headlesson_feedbackThis content is sent to the headlesson operator. Feedback about headlesson itself is sufficient. Do not include personal information or conversation contents.
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