privacyPolicyURL should be present for marketplace readiness.
Tandem Workflow Architect
Plan Tandem workflows in Codex, then validate, preview, and run them through the governed Tandem engine.
frumu-ai/tandem-codex-plugin · v0.1.5 · Development & Workflow
Trust Score
75
Security
71
Surfaces
2
What is Tandem Workflow Architect?
Tandem Workflow Architect is a published development & workflow plugin for AI coding agents in the codex ecosystem, developed by frumu-ai and distributed through the HOL AI plugin registry. Plan Tandem workflows in Codex, then validate, preview, and run them through the governed Tandem engine.
- Canonical slug
- frumu-ai/tandem-codex-plugin
- Version
- v0.1.5 · updated Sep 20, 2026
- Open data
- entity.json (JSON-LD)
Trust & Reputation
Factor Analysis
Per-metric points (0–100 each) combined via a weighted average into the overall score.
Registry Snapshot
- Canonical profile
- https://hol.org/registry/plugins/frumu-ai%2Ftandem-codex-plugin
- Publisher verification
- No
- Marketplace source
- Unknown
- Scanner
- Broker fallback
- Safety label
- review
- Digest verified
- Yes
Trust & reputation
Trust & Reputation
Factor Analysis
Per-metric points (0–100 each) combined via a weighted average into the overall score.
Provenance
- Plugin root
- .
- Source repo
- https://github.com/frumu-ai/tandem-codex-plugin
- Source commit
- e472d7388333…
- 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
- Provider
- registry-broker-fallback
- Grade
- C · review
- Version
- Unknown
Findings
termsOfServiceURL should be present for marketplace readiness.
MCP server tandemDocs does not declare an auth posture.
Cisco skill scanner timed out after 60000 ms
Tandem Workflow Architect — Frequently asked questions
- What is Tandem Workflow Architect?
- Tandem Workflow Architect is an AI plugin in the HOL registry. Plan Tandem workflows in Codex, then validate, preview, and run them through the governed Tandem engine.
- How do I install Tandem Workflow Architect?
- Install Tandem Workflow Architect in your harness: Codex — codex plugin marketplace add frumu-ai/tandem-codex-plugin; Any agent — npx skills add frumu-ai/tandem-codex-plugin. Full step-by-step guidance is on the HOL plugin page.
- How do I install Tandem Workflow Architect in Codex?
- To install Tandem Workflow Architect in Codex, start with codex plugin marketplace add frumu-ai/tandem-codex-plugin. The complete step-by-step install guide for Codex is on the HOL plugin page.
- Is Tandem Workflow Architect free?
- Pricing for Tandem Workflow Architect is published on its HOL plugin page when the maker schedules a launch.
- Who publishes Tandem Workflow Architect?
- Tandem Workflow Architect is published by frumu-ai and listed on HOL.
- Is Tandem Workflow Architect available now?
- Tandem Workflow Architect availability is listed on its HOL plugin page.
Install Guidance
Install in Codex
Install through the Codex CLI plugin marketplace.
- 1
Register the marketplace
Run in any terminal. Codex reads the marketplace entry from .agents/plugins/marketplace.json (or the legacy .claude-plugin path) in the repository. If the repository ships none, add the generated entry from the Advanced section below first.
shell - 2
Install from the Plugins browser
Open Codex, open the Plugins browser, choose the tandem-codex-plugin marketplace, and install tandem-codex-plugin.
- 3
Verify the marketplace registration
shell
Plugin Manifest
{
"name": "tandem-codex-plugin",
"version": "0.1.5",
"description": "Tandem Workflow Architect for Codex. Plan-mode design partner that helps you shape Tandem workflows (V2 automations and workflow plans) and hands them to the Tandem engine for validation, preview, and run. Plan with Codex. Govern with Tandem. Run with receipts.",
"keywords": [
"tandem",
"workflow",
"automation",
"mcp",
"architect",
"plan-mode"
],
"homepage": "https://github.com/frumu-ai/tandem-codex-plugin",
"repository": "https://github.com/frumu-ai/tandem-codex-plugin",
"license": "MIT",
"author": {
"name": "frumu-ai",
"url": "https://github.com/frumu-ai"
},
"skills": "./",
"mcpServers": "./.registry/mcp.json",
"commands": "./commands/",
"interface": {
"displayName": "Tandem Workflow Architect",
"developerName": "frumu-ai",
"shortDescription": "Plan Tandem workflows in Codex; govern and run them in Tandem.",
"longDescription": "A Codex plugin for designing Tandem workflows with plan-mode guidance, bundled Tandem docs, validation, previews, and governed execution through the Tandem engine.",
"category": "Productivity",
"capabilities": [
"Interactive",
"Read",
"Write"
],
"websiteURL": "https://github.com/frumu-ai/tandem-codex-plugin",
"brandColor": "#2563EB",
"defaultPrompt": [
"Create a Tandem workflow from an intent",
"Build a complex Tandem workflow DAG",
"Preview or validate a Tandem workflow"
],
"composerIcon": "./assets/icon.png",
"logo": "./assets/icon.png"
},
"registryIndexVersion": 5
}Marketplace Source
- Repo URL
- https://github.com/frumu-ai/tandem-codex-plugin
- Marketplace path
- Unknown
- Source path
- plugins/frumu-ai/tandem-codex-plugin
- Install policy
- AVAILABLE
Skills
1 SKILL.md file ship with this plugin. Preview, copy, or download each one, then install them with the Skills CLI.
tandem-workflow-plan-mode
skills/tandem-workflow-plan-mode/SKILL.md
|
SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.
File Inventory
.codex-plugin/plugin.json
plugin-manifest
1,416 bytes
0a817227f8ecb9ea…
.mcp.json
file
89 bytes
8097b94964a59936…
.registry/mcp.json
mcp-config
61 bytes
64b31bc807ad90c2…
assets/icon.png
asset
15,316 bytes
8b2644feaf5ef591…
commands/apply-workflow.md
file
2,463 bytes
8c7b6c96d95e2b8d…
commands/build-complex-workflow.md
file
5,669 bytes
d036dbb769477dfd…
commands/create-workflow.md
file
2,199 bytes
831d3c37513280a5…
commands/import-preview-workflow.md
file
2,210 bytes
2b6b8dea07ef91a5…
commands/preview-workflow.md
file
1,925 bytes
68a2863504baf8b0…
commands/revise-workflow.md
file
1,629 bytes
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commands/run-workflow.md
file
2,042 bytes
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commands/tandem-doctor.md
file
4,894 bytes
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commands/tandem-setup.md
file
5,733 bytes
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commands/validate-workflow.md
file
2,145 bytes
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package-lock.json
file
18,976 bytes
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package.json
file
1,044 bytes
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README.md
file
18,728 bytes
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skills/tandem-workflow-plan-mode/SKILL.md
skill
19,863 bytes
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tsconfig.json
file
422 bytes
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