com.headlesson/catalog

headlesson

Find and compare headless apps (CLI, MCP, API) for agents, with sources, lessons and changes.

Endpointhttps://mcp.headlesson.com/mcp (streamable-http)
Registry version0.1.0
Now4 tools · grade A (93) · pin ts_8326a8d8196014670edb1c8d0013386a · protocol 2025-06-18
First / last listed2026-10-27 05:00 UTC / 2026-10-27 05:00 UTC
Grade over time2026-10-27: A (93), 4 tools

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Timeline

First listing · 2026-10-27 05:00 UTC
4 tools, grade A (93)

Tools: headlesson_search headlesson_get headlesson_whats_new headlesson_feedback

Current tools (4)

headlesson_searchFind 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
params: include, query, where, axes, sort, ids, limit
headlesson_getGet 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
params: id*, sections
headlesson_whats_newList 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.
params: since, kinds, about, limit
headlesson_feedbackThis content is sent to the headlesson operator. Feedback about headlesson itself is sufficient. Do not include personal information or conversation contents.
params: text*, kind, about, client, model

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.