MCP server

headlesson Official

com.headlesson/catalog

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: headlesson.comAbout 2,203 tokens per request once connected4 tools

https://mcp.headlesson.com/mcp

At a glance

Type: MCP server
Publisher: headlesson.com (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 2,203 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http catalog https://mcp.headlesson.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.catalog]
url = "https://mcp.headlesson.com/mcp"

Gemini CLI

{"mcpServers":{"catalog":{"httpUrl":"https://mcp.headlesson.com/mcp"}}}

Cursor

{"mcpServers":{"catalog":{"url":"https://mcp.headlesson.com/mcp"}}}

VS Code

{"servers":{"catalog":{"type":"http","url":"https://mcp.headlesson.com/mcp"}}}

Antigravity

agy mcp add catalog https://mcp.headlesson.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"catalog","server_url":"https://mcp.headlesson.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"catalog","server_url":"https://mcp.headlesson.com/mcp"}

headlesson_feedback ~376 tokens
This content is sent to the headlesson operator. Feedback about headlesson itself is sufficient. Do not include personal information or conversation contents.
headlesson_get ~398 tokens
Get 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; "relation
headlesson_search ~1027 tokens
Find 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","g
headlesson_whats_new ~402 tokens
List 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.

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