Ontology Atlas MCP server
Read and write one codebase ontology kept as Markdown in the repository.
133 stars
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If you have run it, two minutes of your experience saves the next person an afternoon.
Ontology Atlas tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
- –Code scanpackage could not be scannedn/a
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
What the publisher says
From the Ontology Atlas repository's README, as published. We do not edit it. Read it on GitHub
Ontology Atlas
Understand your system as AI agents change its code.
Give agents task context. Inspect the meaning, evidence, and unknowns yourself.
Download for macOS · Windows x64 beta unsigned · Live demo · Guide · Status
The installed macOS app reading samples/storefront — an online store described by Markdown files in a folder. Meaning changes remain visible in files and Git diffs for a person to inspect, correct, reject, or keep; the feature inventory is the current behavior contract.
In 30 seconds
When an agent finishes a change, you still need to judge what it understood, which rules matter, and what needs your attention. File lists and the producing agent's summary are starting points; they do not by themselves establish that the system's meaning or boundaries were preserved.
Atlas keeps those answers in an atlas/ folder of Markdown inside the repository, so meaning is cloned, branched, and reviewed with the code. Each file's frontmatter declares what it is — project, domain, capability, element, or a linked document — and what it points at. That folder is the whole database.
Atlas compiles that folder into a typed graph. Your coding agent can request context for a task: recorded capabilities, implementation anchors, declared dependencies, evidence, and unknowns. You can inspect those same records and relations in the workbench, open their evidence, and decide which proposed meaning changes to keep. The files remain available to the next person or agent, alongside the code in Git.
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Install directly
The registry entry has no remote endpoint or installable package.
Ontology Atlas: common questions
- Is Ontology Atlas MCP server safe?
- Yes, by our scan: it is graded A (88/100). Read the Ontology Atlas safety report
- Does Ontology Atlas need an API key?
- No secret keys are declared. It reads 1 setting from the environment.
- Is Ontology Atlas maintained?
- The last commit was in the last day (2026-09-19). The latest release is v0.13.0.