Atlas MCP Server

by agentic-atlas Your server? Claim it

answering

Atlas is answering right now. Last checked 7 min ago. It exposes 5 tools.

Agent-design pattern guidance via 5 hosted read-only tools; Streamable HTTP, no auth, one Release.

Uptime history 71 days of history · worst day 4%

71 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

363 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 65

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 25 August 2026. No other catalogue keeps this.

20 Oct a tool changed the parameters it asks for atlas_orient

20 Oct a tool description was rewritten atlas_orient

19 Oct a tool changed the parameters it asks for atlas_orient

17 Oct 5 tool descriptions were rewritten atlas_cards, atlas_links, atlas_navigate and 2 more

17 Oct 5 tools changed the parameters they ask for atlas_cards, atlas_links, atlas_navigate and 2 more

16 Oct 5 tools changed the parameters they ask for atlas_cards, atlas_links, atlas_navigate and 2 more

16 Oct 2 tool descriptions were rewritten atlas_cards, atlas_navigate

1 Oct 2 tools changed the parameters they ask for atlas_cards, atlas_orient

1 Oct a tool description was rewritten atlas_cards

26 Sep 4 tool descriptions were rewritten atlas_cards, atlas_links, atlas_navigate and 1 more

and 38 more, back to 25 August 2026

Tools have disappeared from this server

A tool that vanishes takes a piece of your agent with it, and the change arrives silently. Watch this server and every such change lands in your inbox.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add atlas --transport http https://agentic-atlas.dev/mcp/

Settings → Connectors → Add custom connector, then paste this address

https://agentic-atlas.dev/mcp/

~/.codex/config.toml

[mcp_servers.atlas]
url = "https://agentic-atlas.dev/mcp/"

.cursor/mcp.json

{
  "mcpServers": {
    "atlas": {
      "url": "https://agentic-atlas.dev/mcp/"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "atlas": {
      "type": "http",
      "url": "https://agentic-atlas.dev/mcp/"
    }
  }
}

Available tools 5

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

atlas

atlas_cards

Get one summary Card per Atlas Node id: its Hook (one-line summary) and the publisher's claims (thesis, law, when-to-reach, or claim), each citing its source Sections. Use when you hold ids and want their guidance without full text, such as to compare entries. Cards return in request order. Atomic: one unknown or Roadmap-only (unpublished) id refuses the whole batch as batch_not_atomic, naming the rejected ids.

atlas_links

List where one Atlas Node references other entries (outbound) and where they reference it (inbound), outbound first. Use to find related entries or what points at this one. Each occurrence gives direction, class, source Section, and the far end's Hook (one-line summary), plus its id and title unless the class is 'undisclosed' (unpublished and unannounced). Results are paged: follow the cursor to the end before concluding nothing points here. An unknown or Roadmap-only (unpublished) subject is refused as invalid_argument.

atlas_navigate

Browse the whole Atlas in the publisher's order: the canonical tree of every published Node, or the guided first learning path, an introduction then steps each naming a Node id with narration. Use to survey what exists or to start learning with no topic in mind. Neither view carries entry text or claims; the tour is null if none is published.

atlas_orient

Find Atlas entries by topic when you hold no id; an id you already hold can be read directly. Searches Nodes (patterns, concepts, examples) and Roadmap entries (announced, unpublished); kind narrows it to one Node kind, Decisions, or glossary terms. Node discovery preserves leading lexical matches and adds related entries with task vocabulary, using references in either direction. Related candidates explain their connection; direct matches have no via. Empty listings and exact id/title lookups stay lexical. Returns ranked ids with Hooks (one-line summaries; a term's is its whole definition), paged with a cursor. A miss is an empty page; invalid arguments are refused as invalid_argument.

atlas_read

Read the full text at one exact Atlas address. A bare Node id returns the whole entry: identity, tree position, Hook (one-line summary), and every Section; relationship occurrences are omitted. A Section, Decision, or glossary term address returns that one item. Use when a summary is not enough or you need exact wording to cite. An unknown or malformed address is refused as invalid_argument; a wrong slug's refusal lists the real ones.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

atlas_decisions

removed 7 Sep 2026

atlas_define

removed 7 Sep 2026

atlas_provenance

removed 7 Sep 2026

Endpoints

URL	Transport	State	Latency	Checked
https://agentic-atlas.dev/mcp/	streamable-http	answering	378 ms	7 min ago

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Atlas — questions

Answers built from our own checks of this server.

What can Atlas do?

It exposes 5 tools, read directly from the server on our last check. Among them: atlas_cards, atlas_links, atlas_navigate, atlas_orient, atlas_read. 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 Atlas 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 363 ms. The bar chart above shows every period we have measured.

Did Atlas ever remove tools?

Yes. atlas_decisions, atlas_define, atlas_provenance are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.

How do I connect Atlas?

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

Does Atlas need an API key?

No. Atlas completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Atlas?

It answers our handshake in 363 ms on average, which is faster than 37% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.