creating-mcp-servers SKILL.md skillA
creating-mcp-servers from oaustegard/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add oaustegard/claude-skills/creating-mcp-servers@v1.2.0Pins v1.2.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- oaustegard/claude-skills
- Path
plugins/development-tools/skills/creating-mcp-servers/SKILL.md- Versions recorded
- 2
- Latest version
- v1.2.0, committed Sep 9, 2026
- First version recorded
- Jul 7, 2026
- Size
- 5,339 bytes
- Repository stars
- 158
- License
- MIT
Creates production-ready MCP servers using FastMCP v2. Use when building MCP servers, optimizing tool descriptions for context efficiency, implementing progressive disclosure for multiple capabilities, or packaging servers for distribution.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Creating MCP Servers Build production-ready MCP servers using FastMCP v2 with optimal context efficiency through progressive disclosure patterns. ## Core Capabilities 1. **Apply the core patterns** - Four requirements for consistency 2. **Implement progressive disclosure** - Gateway patterns achieving 85-93% token reduction 3. **Optimize tool descriptions** - 65-70% token reduction through proper patterns 4. **Bundle servers** - Package as MCPB files with validation 5. **Proven gateway patterns** - Three complete implementations (Skills, API, Query) ## Architecture Decision ``` 1-3 simple tools? → Standard FastMCP with optimized tools Load: references/MANDATORY_PATTERNS.md 5+ related capabilities? → Gateway pattern (progressive disclosure) Load: references/PROGRESSIVE_DISCLOSURE.md Load: references/GATEWAY_PATTERNS.md Optimize existing server? → Apply mandatory patterns Load: references/MANDATORY_PATTERNS.md Package for distribution? → MCPB bundler Load: references/MCPB_BUNDLING.md Execute: scripts/create_mcpb.py Need FastMCP documentation? → Search references/LLMS_TXT.md for relevant URLs → Use web_fetch on gofastmcp.com URLs ``` …
Read the whole file at its exact version.
How to install
mdr add oaustegard/claude-skills/creating-mcp-servers@sha256:bd0a842597d08efeThe line at the top of this page pins the label v1.2.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_2ejf6qvwfhqkquoj)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Jul 7, 2026 and Sep 9, 2026, about one every 63 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.2.0 latest | 2026-09-09 | 5e58100 | 5,339 B | A | view · diff |
| v1.1.0 | 2026-07-07 | 6154d36 | 5,622 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5339 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
oaustegard/claude-skills · 158 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_2ejf6qvwfhqkquoj GET https://markdownregistry.com/api/v1/resolve?ref=oaustegard/claude-skills/creating-mcp-servers GET https://markdownregistry.com/api/v1/blob/bd0a842597d08efe2986c3e4bc7c5dc96c17b32c54f5969b2c92ee780a8bea67
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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