7 Factor Mcp
A Claude skill from Just-Agent/just-product-factor.
Install
$ agentstack add skill-just-agent-just-product-factor-7-factor-mcp ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-just-agent-just-product-factor-7-factor-mcp) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
7-factor-mcp Skill
Name
7-factor-mcp
Purpose
Audit and improve MCP tools and servers for tool schema clarity, permission boundaries, runtime safety, observability, and user ergonomics.
When to use
- MCP servers
- MCP clients
- Tool integrations
- Agent tool layers
- Local/remote tool bridges
When not to use
- General APIs with no Agent/tool schema layer
- Static docs only
Inputs
Ask for or inspect:
- README and docs
- source files
- examples and recipes
- configuration files
- tests and validation scripts
- CI/CD workflow files
- logs, changelog, release notes, or version history
Workflow
- Identify the project goal and user-facing promise.
- Inspect available files.
- Apply
checklist.md. - Score with
scoring-rubric.md. - Produce an audit report using
audit-report-template.md. - Produce a refactor plan using
refactor-plan-template.md. - Prioritize changes by product value and release readiness.
- Validate changes if the environment allows.
Review dimensions
- Tool boundaries
- Schema clarity
- Permission model
- Runtime safety
- Error handling
- Observability
- Developer ergonomics
Refactor priorities
- Clarify tool contracts
- Reduce unsafe permissions
- Improve errors
- Add examples
- Add validation and logs
Output format
Return:
- Summary
- Scorecard
- Critical findings
- Recommended changes
- Refactor plan
- Validation plan
- Next iteration suggestions
Example calls
See usage-examples.md.
Version
v0.5.0
Agent manifest
This Skill includes a machine-readable skill.json manifest so an Agent can quickly identify triggers, expected inputs, expected outputs, required files, and the review protocol before reading the full markdown pack.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: Just-Agent
- Source: Just-Agent/just-product-factor
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
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Versions
- v0.1.0 Imported from the upstream source.