gpt-rag-mcp: Skill for Claude Code

.github/skills/mcp-capability-development/SKILL.md

mcp-capability-development is a skill for Claude Code, Codex from Azure/gpt-rag-mcp. It costs 38 tokens per session (342 once invoked), scanned A, original, MIT.

A workflow for designing and implementing MCP tools, resources, prompts, and registrations in the GPT-RAG server. These are different ways an AI application can access actions, information, or reusable instructions.

In plain words
What is it for?
Use it when adding or changing an MCP capability, including its inputs, outputs, errors, limits, authorization, registration, tests, and documentation.
Why use it?
It helps keep new server capabilities narrow, validated, secure, compatible, and testable.

Skill for Claude CodeCodex ✓ vendor

Written for no agent in particular: nothing here depends on one.

This is Azure/gpt-rag-mcp's own configuration. It tells Claude Code and Codex how to work on gpt-rag-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gpt-rag-mcp configures →

About the project

Azure/gpt-rag-mcp is a Python server that exposes GPT-RAG capabilities through the Model Context Protocol. It is deployed with Azure resources and consumed by GPT-RAG through its MCP strategy, while the catalogue provides instructions, skills, and agents for operating it.

Azure/gpt-rag-mcp · 22 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to Azure/gpt-rag-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.

Copy the file
curl -O https://raw.githubusercontent.com/Azure/gpt-rag-mcp/main/.github/skills/mcp-capability-development/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Azure/gpt-rag-mcp

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for mcp-capability-development

README.md
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Your own site
<a href="https://agentmods.dev/skills/azure/gpt-rag-mcp/mcp-capability-development"><img src="https://agentmods.dev/badge/skills/azure/gpt-rag-mcp/mcp-capability-development/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.

agentmods 80×15 button for mcp-capability-development

Your own site · 80×15
<a href="https://agentmods.dev/skills/azure/gpt-rag-mcp/mcp-capability-development"><img src="https://agentmods.dev/badge/skills/azure/gpt-rag-mcp/mcp-capability-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 342 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00038 $0.00342
Opus 5 $0.00019 $0.00171
Sonnet 5 $0.00008 $0.00068
Haiku 4.5 $0.00004 $0.00034

Measured 9d ago against content hash 7e04cc206ec1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

mcp-capability-development 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.

.github/skills/mcp-capability-development/SKILL.md · 31 lines

What it actually says

MCP capability development

  1. Classify the capability as a tool, resource, prompt, or transport concern and confirm Azure/gpt-rag-mcp owns it.
  2. Identify the orchestrator outcome, trust boundary, authorization model, external effects, limits, and compatibility constraints.
  3. Define a narrow typed contract: name, description, arguments, defaults, validation, result shape, error behavior, and bounds.
  4. Put focused logic in src/tools/, src/resources/, or src/prompts/ and keep registration in src/server.py thin.
  5. Treat all inputs and upstream content as untrusted. Validate schemes, hosts, identifiers, paths, sizes, and counts before effects.
  6. Add timeouts, output limits, least-privilege access, and actionable non-sensitive errors at external boundaries.
  7. Preserve compatibility or document and coordinate migration with the orchestrator and Azure/GPT-RAG.
  8. Add focused behavior or contract tests when feasible.
  9. Restore with uv sync, check import or startup behavior, exercise the capability with the MCP Inspector, and run orchestrator end to end when the integration contract changes.
  10. Update this repository's documentation and the GPT-RAG docs branch when users or operators observe the change.

Never place this runtime capability under .github/; that directory contains engineering-time Copilot assets only.

Changes

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.

  1. 9d ago First seen · 31 lines · 38 tokens per session scan A 7e04cc206ec1

Subscribe to this mod's changes

mcp-capability-development is a skill published in the GitHub repository Azure/gpt-rag-mcp (22 stars, last pushed 7d ago), licensed MIT. It adds 38 tokens to every session and 342 once invoked, about $0.0002 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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