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 amirtaherkhani/dev-io-mcp --skill mcp-server-maintenancegit clone --depth 1 https://github.com/amirtaherkhani/dev-io-mcpWrote 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/amirtaherkhani/dev-io-mcp/mcp-server-maintenance)<a href="https://agentmods.dev/skills/amirtaherkhani/dev-io-mcp/mcp-server-maintenance"><img src="https://agentmods.dev/badge/skills/amirtaherkhani/dev-io-mcp/mcp-server-maintenance/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/amirtaherkhani/dev-io-mcp/mcp-server-maintenance"><img src="https://agentmods.dev/badge/skills/amirtaherkhani/dev-io-mcp/mcp-server-maintenance.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00000 | $0.00260 |
| Opus 5 | $0.00000 | $0.00130 |
| Sonnet 5 | $0.00000 | $0.00052 |
| Haiku 4.5 | $0.00000 | $0.00026 |
Grade A, and why
mcp-server-maintenance 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 9d 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.
What it actually says
MCP Server Maintenance
Use this skill when changing tools, resources, transport, schemas, or server behavior.
Contracts
Do not rename or silently change the meaning of existing tools:
publish_postlist_postsread_postget_post_inforecord_post_event
Do not change these resource URIs without updating all documentation and host configuration:
dev-io://post-templatedev-io://postsdev-io://posts/metrics
Implementation rules
- Use the official
@modelcontextprotocol/sdkpackage already declared inpackage.json. - Keep schemas explicit and validate user-controlled arguments.
- Preserve the
posts/path traversal protection. - Return MCP
contentwith concise, machine-readable JSON for data tools. - Keep diagnostics on stderr so HTTP protocol responses remain machine-readable.
- Keep local filesystem behavior independent from the optional remote adapter.
Change checklist
- Update
README.mdwhen a tool, resource, environment variable, or host configuration changes. - Update
docs/skills.mdordocs/roles.mdwhen project responsibilities change. - Add or update a smoke test for changed MCP behavior.
- Run
npm run lintandnpm run build.
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.
- 9d ago First seen · 36 lines · 0 tokens per session scan A c9de37a71aeb
mcp-server-maintenance is a skill published in the GitHub repository amirtaherkhani/dev-io-mcp (0 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 260 tokens. 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 2026-08-31.
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