G

geml

An agent-native markup language featuring deterministic block-level editing and built-in validation to ensure documents never drift or break during AI operations

geml-spec/geml · v1.12.4 · Development & Workflow

geml-speccaution

Install Source Claim this plugin

Trust Score

67

Security

59

Surfaces

14

What is geml?

geml is a published development & workflow plugin for AI coding agents in the gemini-cli ecosystem, developed by geml-spec and distributed through the HOL AI plugin registry. An agent-native markup language featuring deterministic block-level editing and built-in validation to ensure documents never drift or break during AI operations

Canonical slug: geml-spec/geml
Version: v1.12.4 · updated Oct 8, 2026
Open data: entity.json (JSON-LD)

Trust & Reputation

HOL Trust Score

67

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability

64pts

Maintenance

55pts

MCP Posture

100pts

Plugin Security

59pts

Provenance

70pts

Publisher Quality

75pts

Registry Snapshot

Repository: https://github.com/geml-spec/geml
Homepage: https://github.com/geml-spec/geml
Canonical profile: https://hol.org/registry/plugins/geml-spec%2Fgeml
Publisher verification: No
Marketplace source: Unknown
Scanner: Broker fallback
Safety label: caution
Digest verified: Yes

13 bundled skills — copy or download SKILL.mdOpen skills

Trust & reputation

Trust & Reputation

HOL Trust Score

67

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability

64pts

Maintenance

55pts

MCP Posture

100pts

Plugin Security

59pts

Provenance

70pts

Publisher Quality

75pts

Provenance

Plugin root: .
Source repo: https://github.com/geml-spec/geml
Source commit: 51b949341b9b…
Publisher verified: No
Owner verified: Not owner verified

Continuous scanner CI detected

No action is required. This plugin receives the full trust score.

Verified badge not detected

Add the HOL verified badge to the repository README to score +2% trust. Plugin owners can open that pull request from Guard Plugins.

Security Posture

caution

Safety label

59

Security score

0

High findings

Provider: registry-broker-fallback
Grade: F · caution
Version: Unknown

cisco-skill-scanner: unknown

Findings

mediumpublishabilitypublishability.link.missing.websiteURL

websiteURL should be present for marketplace readiness.

mediumpublishabilitypublishability.link.missing.privacyPolicyURL

privacyPolicyURL should be present for marketplace readiness.

mediumpublishabilitypublishability.link.missing.termsOfServiceURL

termsOfServiceURL should be present for marketplace readiness.

lowoperational-securitysupply-chain.lockfile-missing

Repository snapshot does not include a lockfile.

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

geml — Frequently asked questions

What is geml?: geml is an AI plugin in the HOL registry. An agent-native markup language featuring deterministic block-level editing and built-in validation to ensure documents never drift or break during AI operations
How do I install geml?: Install geml in your harness: Antigravity CLI — npx skills add geml-spec/geml; Any agent — npx skills add geml-spec/geml. Full step-by-step guidance is on the HOL plugin page.
How do I install geml in Antigravity CLI?: To install geml in Antigravity CLI, start with npx skills add geml-spec/geml. The complete step-by-step install guide for Antigravity CLI is on the HOL plugin page.
Is geml free?: Pricing for geml is published on its HOL plugin page when the maker schedules a launch.
Who publishes geml?: geml is published by geml-spec and listed on HOL.
Is geml available now?: geml availability is listed on its HOL plugin page.

Install Guidance

Install in Antigravity CLI

Install the bundled skills into Antigravity CLI with the open Skills CLI.

Skills CLI docs

1
Install with the Skills CLI
The open Skills CLI detects installed agents and installs this plugin's skills for Antigravity CLI.
shell
2
Restart and verify
Start a new Antigravity CLI session and confirm the skill is listed before relying on it.

Plugin Manifest

{
  "name": "geml",
  "version": "1.12.4",
  "description": "Block-addressed docs: read or replace one section of an existing Markdown file instead of loading the whole thing. Adds per-block history and a code-graph navigator.",
  "mcpServers": "./.registry/mcp.json",
  "repository": "https://github.com/geml-spec/geml",
  "interface": {
    "displayName": "geml",
    "developerName": "geml-spec"
  },
  "skills": "./",
  "holManifestOrigin": "repository",
  "registryIndexVersion": 5
}

Marketplace Source

Repo URL: https://github.com/geml-spec/geml
Marketplace path: Unknown
Source path: .
Install policy: Unspecified

Skills

13 SKILL.md files ship with this plugin. Preview, copy, or download each one, then install them with the Skills CLI.

skills-cli

geml-code-graph
.claude/skills/geml-code-graph/SKILL.md
>-
Raw SKILL.md
geml
.claude/skills/geml/SKILL.md
>-
Raw SKILL.md
bench
geml-parser/bench/SKILL.md
Raw SKILL.md
geml
geml-parser/skill/SKILL.md
>-
Raw SKILL.md
geml-code-graph
integrations/claude-plugin/skills/geml-code-graph/SKILL.md
>-
Raw SKILL.md
geml
integrations/claude-plugin/skills/geml/SKILL.md
>-
Raw SKILL.md
geml-code-graph
integrations/codex-plugin/skills/geml-code-graph/SKILL.md
>-
Raw SKILL.md
geml
integrations/codex-plugin/skills/geml/SKILL.md
>-
Raw SKILL.md
geml-code-graph
integrations/dsh-plugin/skills/geml-code-graph/SKILL.md
>-
Raw SKILL.md
geml
integrations/dsh-plugin/skills/geml/SKILL.md
>-
Raw SKILL.md
geml-code-graph
integrations/grok-plugin/skills/geml-code-graph/SKILL.md
>-
Raw SKILL.md
geml
integrations/grok-plugin/skills/geml/SKILL.md
>-
Raw SKILL.md
geml-vault
integrations/obsidian/skills/geml-vault/SKILL.md
>-
Raw SKILL.md

File Inventory

.claude/skills/geml-code-graph/SKILL.md

skill

14,407 bytes

1e1603b856e6ff0f…

.claude/skills/geml/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

.claude/skills/geml/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

.codex-plugin/plugin.json

plugin-manifest

436 bytes

1140dfc17492b2ba…

.registry/mcp.json

mcp-config

87 bytes

e7b20cd30d341325…

gemini-extension.json

file

354 bytes

5db4776223449bd4…

geml-parser/bench/fixtures.mjs

file

2,416 bytes

c9e65b9468b7d5bc…

geml-parser/bench/RESULTS.md

file

5,528 bytes

9385ff0dfa1b0e8e…

geml-parser/bench/score.mjs

file

8,187 bytes

196cff7aef986b40…

geml-parser/bench/SKILL.md

skill

3,380 bytes

6ff9621988db3a99…

geml-parser/skill/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

geml-parser/skill/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

integrations/claude-plugin/skills/geml-code-graph/SKILL.md

skill

14,128 bytes

4c9d8fddebc04e16…

integrations/claude-plugin/skills/geml/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

integrations/claude-plugin/skills/geml/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

integrations/codex-plugin/skills/geml-code-graph/SKILL.md

skill

14,128 bytes

4c9d8fddebc04e16…

integrations/codex-plugin/skills/geml/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

integrations/codex-plugin/skills/geml/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

integrations/dsh-plugin/skills/geml-code-graph/SKILL.md

skill

14,128 bytes

4c9d8fddebc04e16…

integrations/dsh-plugin/skills/geml/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

integrations/dsh-plugin/skills/geml/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

integrations/grok-plugin/skills/geml-code-graph/SKILL.md

skill

14,128 bytes

4c9d8fddebc04e16…

integrations/grok-plugin/skills/geml/references/markdown-writes.md

file

6,843 bytes

78f45e3b2f3b68bb…

integrations/grok-plugin/skills/geml/SKILL.md

skill

9,508 bytes

b6c3a1812cf9b3fa…

integrations/obsidian/skills/geml-vault/references/claude-obsidian.md

file

3,596 bytes

d7a0ea0d89feeb1e…

integrations/obsidian/skills/geml-vault/references/invariants.md

file

7,177 bytes

6fb36c044943e0eb…

integrations/obsidian/skills/geml-vault/SKILL.md

skill

6,111 bytes

2737e06036c8a832…

kimi.plugin.json

file

283 bytes

990b836e5808bb1d…

README.md

file

53,301 bytes

99c12276848aeaa9…

SECURITY.md

file

3,055 bytes

b440b5bffa097a94…