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 agentmods add rules/arenukvern/mcp_flutter/mcp_dynamic_toolsgit clone --depth 1 https://github.com/Arenukvern/mcp_flutterWrote 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/rules/arenukvern/mcp_flutter/mcp_dynamic_tools)<a href="https://agentmods.dev/rules/arenukvern/mcp_flutter/mcp_dynamic_tools"><img src="https://agentmods.dev/badge/rules/arenukvern/mcp_flutter/mcp_dynamic_tools.svg" alt="Measured on agentmods" 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 | $0.00021 | $0.00192 |
| Opus 5 | $0.00010 | $0.00096 |
| Sonnet 5 | $0.00004 | $0.00038 |
| Haiku 4.5 | $0.00002 | $0.00019 |
Grade A, and why
mcp_dynamic_tools 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 3d 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 Dynamic Tools (archived)
This Cursor rule is retired. Author dynamic tools with AgentCallEntry (or mcpToolkitTool / mcpToolkitResource bridges), not the removed MCPCallEntry type.
Use instead:
- Repo skill:
plugin/skills/flutter-mcp-toolkit-custom-tools/SKILL.md - Migration (before/after only):
plugin/skills/flutter-mcp-toolkit-intentcall-migration/SKILL.md - CLI:
flutter-mcp-toolkit migrate agent-entries - Discovery:
fmt_list_client_tools_and_resources→ invoke viafmt_client_tool/fmt_client_resource
After editing plugin skills, run make sync-skills.
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.
- 3d ago First seen · 19 lines · 21 tokens per session scan A 3f62abae4eba
mcp_dynamic_tools is a cursor rule published in the GitHub repository Arenukvern/mcp_flutter (373 stars, last pushed 8d ago), licensed MIT. It adds 21 tokens to every session and 192 once invoked, about $0.0001 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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