Resolves a MAC address or BSSID to its manufacturer (CLI + MCP) — offline longest-prefix match (36/28/24-bit) against a cached copy of the IEEE registries, classifying the address first: a randomized or locally administered MAC is reported as having no vendor to find, not as an unknown device
Mac Lookup is an MCP server published by nlink-jp in the Blockchain category: resolves a MAC address or BSSID to its manufacturer (CLI + MCP) — offline longest-prefix match (36/28/24-bit) against a cached copy of the IEEE registries, classifying the address first: a randomized or locally administered MAC is reported as having no vendor to find, not as an unknown device.
The repository has 1 stars and 0 forks, with the last commit 29 days ago. Recent commit activity is the strongest signal that reported issues will get attention.
Install
From source
git clone https://github.com/nlink-jp/mac-lookup
This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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Releases
v0.3.0v0.3.0 · 21 Sep 2026Changed An MCP tool call carrying an argument the tool does not declare now fails instead of being quietly ignored. This is a deliberate behaviour change, required by org ADR-021 §4. Until now a misspelt argument was dropped and the call…
v0.2.1v0.2.1 · 20 Sep 2026Fixed A number in the config file was accepted when it was not one. `NaN` passed the range check — it fails every comparison, so "reject what is below the floor" lets it through — and `Inf` or `1e300` overflowed the duration it became.…
v0.2.0v0.2.0 · 30 Aug 2026Changed `search_vendor` returns its matches inline. The MCP tool no longer writes a JSON Lines file: matches come back in `matches`, bounded by `limit` (default 50, was "no limit") and walked with the new `offset`, with `has_more` saying…
v0.1.0mac-lookup v0.1.0 · 26 Jul 2026First release. Resolve a MAC address or BSSID to its manufacturer — and, before that, to what kind of address it actually is. Offline, from a locally cached copy of the IEEE Registration Authority registries. CLI and local MCP server.…
No package has been published for this server, so install it from source: clone the repository and follow its README.
Is Mac Lookup safe to use with an AI agent?
Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.
Is Mac Lookup still maintained?
Yes — the latest release is v0.3.0 (21 Sep 2026), and the last commit was 29 days ago. The repository has 1 stars.