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Ontology Atlas MCP Server

local only

Ontology Atlas runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 1 Nov 2026.

Read and write one codebase ontology kept as Markdown in the repository.

—
Installs / week
not published
147
Stars
1 open issue
1 Nov 2026
Last commit
from GitHub
MIT
License
TypeScript

What the code does

We read the source, 22 h ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

  const result = spawnSync(process.execPath, ['cli/src/index.mjs', 'agent-files', '--json', '--english-only'], {
  return SKIP_DROP + (columnSpan - 2) * SKIP_STEP + laneIndex * SKIP_LANE_STEP + halfBox;

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

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Ontology Atlas — questions

Answers built from our own checks of this server.

Why is there no uptime for Ontology Atlas?
Ontology Atlas runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.
Is Ontology Atlas open source?
Yes — it is published under the MIT licence, written in TypeScript, 147 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.