access-control SKILL.md skillA

access-control from sparq-org/sparq is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sparq-org/sparq/access-control@v0.1.0

Pins v0.1.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
sparq-org/sparq
Path
skills/access-control/SKILL.md
Versions recorded
23
Latest version
v0.1.0, committed Oct 18, 2026
First version recorded
Aug 1, 2026
Size
112,220 bytes
Repository stars
13
License
MIT

Graph-level Solid-style access control over a sparq RDF dataset with the opt-in sparq-solid crate: store pods as named-graph-per-document, keep WAC (.acl) / ACP (.acr) documents as queryable triples, materialize their semantics to a queryable authorization view (urn:sparq:auth) via N3 rules, then filter every SPARQL query/update per (WebID, client, issuer) session to the authorized graph set — fail-closed. Use when gating which named graphs a session may read/append/write, mapping WAC/ACP to…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# sparq-solid — graph-level WAC/ACP access control

Authorized query rewrites retain all validated `VERSION` announcements;
unsupported or incompatible labels fail before evaluation. UPDATE remains REC
2013 only. See the [EBV dialect contract](../sparql-query/ebv-dialects.md).

`sparq-solid` is an **opt-in** crate that enforces Solid-style access control over a
sparq RDF dataset at the **named-graph** granularity. A pod is stored as
**one named graph per document**; the WAC (`.acl`) and ACP (`.acr`) access-control
documents stay as plain queryable triples; their semantics are encoded as **N3 rules**
(run by `sparq-reason`) that **materialize** a queryable authorization view in the
reserved `<urn:sparq:auth>` graph. Every query/update is then filtered per
`(WebID, client, issuer)` session to the named graphs that session may access —
**fail-closed**, with zero Solid-specific code in the engine itself (the crate is a
dependency of nothing in the workspace).

The loader skolemizes blank nodes as
`urn:skolem:graph:<encoded-graph-IRI>:<encoded-label>`, using UTF-8 percent-encoding
of each component (only URI-unreserved characters remain literal). This keeps
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sparq-org/sparq/access-control@sha256:b287dcf6914db597

The line at the top of this page pins the label v0.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_qx3exifusd742bi6.svg)](https://markdownregistry.com/a/art_qx3exifusd742bi6)

5 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 23 versions of this file, between Aug 1, 2026 and Oct 18, 2026, about one every 4 days.

versioncommittedcommitsizeaudit
v0.1.0 latest2026-10-18 628bf1d 112,220 BA view · diff
v0.1.02026-10-18 e516b76 110,041 BA view · diff
v0.1.02026-10-18 3a92de7 105,543 BA view · diff
v0.1.02026-10-18 29128cc 101,776 BA view · diff
v0.1.02026-10-18 64a9e74 99,574 BA view · diff
v0.1.02026-10-15 d126c90 97,045 BA view · diff
v0.1.02026-10-15 e3a619b 95,974 BA view · diff
v0.1.02026-10-14 c073170 93,635 BA view · diff
v0.1.02026-10-14 fec1e37 93,243 BA view · diff
v0.1.02026-10-14 fc60853 92,155 BA view · diff
v0.1.02026-10-13 06dfe7b 91,712 BA view · diff
v0.1.02026-10-10 68797f9 91,584 BA view · diff
v0.1.02026-10-09 facfe78 90,846 BA view · diff
v0.1.02026-10-09 1822b39 90,571 BA view · diff
v0.1.02026-10-09 573577a 89,984 BA view · diff
v0.1.02026-10-09 21f6380 91,216 BA view · diff
v0.1.02026-10-09 f0b870d 90,989 BA view · diff
v0.1.02026-10-06 3e703be 91,552 BA view · diff
v0.1.02026-09-03 1a63aa7 91,026 BA view · diff
v0.1.02026-09-03 d292f45 91,006 BA view · diff
v0.1.02026-08-01 d81f0e3 89,413 BA view · diff
v0.1.02026-08-01 adb3b95 88,627 BA view · diff
v0.1.02026-08-01 f82ab9c 88,210 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (112220 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

sparq-org/sparq · 13 stars · license MIT · pushed 2026-10-19 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_qx3exifusd742bi6
GET https://markdownregistry.com/api/v1/resolve?ref=sparq-org/sparq/access-control
GET https://markdownregistry.com/api/v1/blob/b287dcf6914db5976cd3394cde697e2a3d0b91175c4563f4a480da5abeb18531

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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Every file in sparq-org/sparq

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