What Matters MCP Server

by blackdogranch Your server? Claim it

answering

What Matters is answering right now. Last checked 6 min ago. It exposes 6 tools.

Your personal action-item list — what you owe and what you're owed. AI proposes; you approve.

Uptime history 20 days of history

20 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

347 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check What Matters every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add what-matters --transport http https://matters.blackdogranch.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "what-matters": {
      "url": "https://matters.blackdogranch.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.what-matters]
url = "https://matters.blackdogranch.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "what-matters": {
      "url": "https://matters.blackdogranch.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "what-matters": {
      "url": "https://matters.blackdogranch.com/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

manage

manage_focus

Replace the list of things the user says matter most — people, projects, whatever they care about. Send the WHOLE list every time, including the terms you are keeping: this replaces, it does not append, so omitting one deletes it. Read the current list from get_document first. Up to 10 terms of 60 characters; longer lists and longer terms are trimmed rather than refused, and the stored result comes back so you can see what landed. ONLY call this when the user asks you directly, in conversation. A scheduled run must never touch it: focus is the user saying what they care about, so a term they did not choose is worse than no term at all. Never infer one from their list.

manage_rule

Create, change, pause or delete a standing rule, taking effect IMMEDIATELY with no review. Use this only when the user asks you directly — "stop suggesting PTO stuff". A scheduled run must propose rules through put_proposal instead, exactly as it proposes items rather than calling add_item.

complete

complete_item

Mark an item done, or reopen it. Idempotent.

document

get_document

Read everything: action items, the record of what has already been dismissed, and "focus" — the handful of terms the user says matter most. Always call this before proposing changes: it is the only way to know what was already deleted or rejected, and re-suggesting those is the main failure mode.

item

add_item

Add an item immediately, without review. Normally use this ONLY when the user has just asked for it in conversation — they are the human in the loop at that moment, so set initiated: "human". Anything found by scanning on a schedule belongs in put_proposal instead, with ONE exception: something genuinely urgent that cannot wait for review may be added with initiated: "auto" and priority: "high", which immediately notifies the user's phone. That interruption is the point — reserve it for things that truly cannot wait, because routine "urgent" adds teach the user to ignore the one signal that means look now.

put

put_proposal

Replace the pending set of suggested changes. This is the ONLY write the scheduled run should make — nothing here reaches the list until the user reviews and accepts it. Replaces any previous proposal wholesale, so include everything still worth suggesting, up to 100 deltas.

Endpoints

URL	Transport	State	Latency	Checked
https://matters.blackdogranch.com/mcp	streamable-http	answering	517 ms	6 min ago

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What Matters — questions

Answers built from our own checks of this server.

What can What Matters do?

It exposes 6 tools, read directly from the server on our last check. Among them: add_item, complete_item, get_document, manage_focus, manage_rule, put_proposal. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is What Matters working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 347 ms. The bar chart above shows every period we have measured.

How do I connect What Matters?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does What Matters need an API key?

No. What Matters completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is What Matters?

It answers our handshake in 347 ms on average, which is faster than 51% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.