Borrowing it
Nothing to install: this file belongs to hetpatel-11/supermemory-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/hetpatel-11/supermemory-mcp/main/.agent/skills/mcp-builder/SKILL.mdgit clone --depth 1 https://github.com/hetpatel-11/supermemory-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/hetpatel-11/supermemory-mcp/mcp-builder)<a href="https://agentmods.dev/skills/hetpatel-11/supermemory-mcp/mcp-builder"><img src="https://agentmods.dev/badge/skills/hetpatel-11/supermemory-mcp/mcp-builder.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 5.1 | $0.00123 | $0.00621 |
| Opus 5 | $0.00062 | $0.00311 |
| Sonnet 5 | $0.00025 | $0.00124 |
| Haiku 4.5 | $0.00012 | $0.00062 |
Grade A, and why
mcp-builder 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 6d 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.
This is a copy
100% identical to mcp-builder — 31 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
MCP Server Builder
Build production-ready MCP servers with tools, resources, prompts, and interactive widgets using mcp-use.
Before You Code
Decompose user requests into tools, widgets, and resources. Decide what needs UI vs text.
Read design-and-architecture.md: when planning what to build, deciding tool vs widget, or designing UX flows.
Implementation
- Tools, resources, prompts → tools-and-resources.md: when writing server-side
server.tool(),server.resource(),server.prompt()code - Visual widgets (React TSX) → widgets.md: when creating interactive UI widgets in
resources/folder - Response helper API → response-helpers.md: when choosing how to format tool/resource return values
- URI template patterns → resource-templates.md: when defining parameterized resources
Quick Reference
import { MCPServer, text, object, markdown, html, image, widget, error } from "mcp-use/server";
import { z } from "zod";
const server = new MCPServer({ name: "my-server", version: "1.0.0" });
// Tool
server.tool(
{ name: "my-tool", description: "...", schema: z.object({ param: z.string().describe("...") }) },
async ({ param }) => text("result")
);
// Resource
server.resource(
{ uri: "config://settings", name: "Settings", mimeType: "application/json" },
async () => object({ key: "value" })
);
// Prompt
server.prompt(
{ name: "my-prompt", description: "...", schema: z.object({ topic: z.string() }) },
async ({ topic }) => text(`Write about ${topic}`)
);
server.listen();
Response helpers: text(), object(), markdown(), html(), image(), audio(), binary(), error(), mix(), widget()
Server methods: server.tool(), server.resource(), server.resourceTemplate(), server.prompt(), server.listen()
What ships with it
11 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.
- evals/architecture.json 2.1 KB
- evals/implementation.json 1.5 KB
- evals/README.md 460 B
- evals/skill.json 1.9 KB
- evals/widgets.json 1.8 KB
- LICENSE.txt 8.9 KB
- references/design-and-architecture.md 5.9 KB
- references/resource-templates.md 3.1 KB
- references/response-helpers.md 6.4 KB
- references/tools-and-resources.md 7.4 KB
- references/widgets.md 13 KB
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.
- 6d ago First seen · 63 lines · 123 tokens per session scan A a4a188f788ad
mcp-builder is a skill published in the GitHub repository hetpatel-11/supermemory-mcp (1 stars, last pushed 6mo ago), licensed MIT. It adds 123 tokens to every session and 621 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to mcp-builder, differing in 31 lines, and is treated as a copy.
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