Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add holon-run/uxc --skill notion-mcp-skillgit clone --depth 1 https://github.com/holon-run/uxcWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/holon-run/uxc/notion-mcp-skill)<a href="https://agentmods.dev/skills/holon-run/uxc/notion-mcp-skill"><img src="https://agentmods.dev/badge/skills/holon-run/uxc/notion-mcp-skill/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/holon-run/uxc/notion-mcp-skill"><img src="https://agentmods.dev/badge/skills/holon-run/uxc/notion-mcp-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 65 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00072 | $0.01142 |
| Opus 5 | $0.00036 | $0.00571 |
| Sonnet 5 | $0.00014 | $0.00228 |
| Haiku 4.5 | $0.00007 | $0.00114 |
Grade A, and why
notion-mcp-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Notion MCP Skill
Use this skill to run Notion MCP operations through uxc with OAuth and guarded write behavior.
Reuse the uxc skill guidance for discovery, schema inspection, OAuth lifecycle, and error recovery.
Do not assume another skill is auto-triggered in every runtime. Keep this skill executable on its own.
Prerequisites
uxcis installed and available inPATH.- Network access to
https://mcp.notion.com/mcp. - OAuth callback listener is reachable (default examples use
http://127.0.0.1:8788/callback). uxcskill is available for generic discovery/describe/execute patterns.
Core Workflow (Notion-Specific)
Endpoint argument style in this skill:
- Prefer shorthand
mcp.notion.com/mcp(scheme omitted). - Full URL
https://mcp.notion.com/mcpis also valid.
- Ensure endpoint mapping exists:
uxc auth binding match mcp.notion.com/mcp
- If mapping/auth is not ready, start OAuth login:
uxc auth oauth start notion-mcp --endpoint mcp.notion.com/mcp --redirect-uri http://127.0.0.1:8788/callback --scope read --scope write- Prompt user to open the printed authorization URL.
- Ask user to paste the full callback URL after consent.
- Complete login with
uxc auth oauth complete notion-mcp --session-id <session_id> --authorization-response '<callback-url>'
- Bind endpoint to the credential:
uxc auth binding add --id notion-mcp --host mcp.notion.com --path-prefix /mcp --scheme https --credential notion-mcp --priority 100
- Use fixed link command by default:
command -v notion-mcp-cli- If missing, create it:
uxc link notion-mcp-cli mcp.notion.com/mcp notion-mcp-cli -h- If command conflict is detected and cannot be safely reused, stop and ask skill maintainers to pick a different fixed command name.
- Discover tools and inspect schema before execution:
notion-mcp-cli -hnotion-mcp-cli notion-fetch -hnotion-fetchrequiresid(URL or UUID). Examples:notion-mcp-cli notion-fetch id="https://notion.so/your-page-url"notion-mcp-cli notion-fetch id="12345678-90ab-cdef-1234-567890abcdef"
- Common operations include
notion-search,notion-fetch, andnotion-update-page.
- Prefer read path first:
- Search/fetch current state before any write.
- Execute writes only after explicit user confirmation:
- For
notion-update-pageoperations that may delete content, always confirm intent first.
- For
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 11d ago First seen · 88 lines · 72 tokens per session scan A ba6b624f35e8
notion-mcp-skill is a skill published in the GitHub repository holon-run/uxc (113 stars, last pushed today), licensed MIT. It adds 72 tokens to every session and 1,142 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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