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GrayMatter

io.github.angelnicolasc/graymatter

Source code

About GrayMatter

GrayMatter is an MCP server published by the GitHub account angelnicolasc. Persistent agent memory as a single Go binary: knowledge graph, TUI observability, zero infra.

It asks for no keys or passwords.

Version 0.16.4 was published on 27 August 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 4 automated checks on registry metadata: 2 pass, 0 warn, 0 fail, 2 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/angelnicolasc/graymatter
Secrets requestedInfoAsks for no secrets
Namespace ownershipInfoName verified via GitHub account angelnicolasc
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI

Popularity & health: 70 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity13 / 40

489 GitHub stars, no download count, 0 Hacker News posts (0 points). Best two of the three, each on a log scale.

Activity25 / 25

Last push 2026-10-09, last release 2026-10-09, 388 commits in 90 days.

Issue health13 / 15

28 closed of 33 issues.

Our checks20 / 20

0 warnings, each costing a fifth.

41 forks, 106 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry nameio.github.angelnicolasc/graymatter
PublisherGitHub account angelnicolasc
How the name is verifiedName verified via GitHub account angelnicolasc. The registry ties the name prefix to that account or domain; it does not check the code.
TypeLocal: runs on your machine from a package
Version0.16.4
Published
Last updated
Source repositoryhttps://github.com/angelnicolasc/graymatter
WebsiteNone linked
CategoryAnalytics & monitoring (assigned by keyword rule, not by hand)

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