cloudflare-mcp-server

Build MCP (Model Context Protocol) servers on Cloudflare Workers with tools, resources, and prompts.

1.64x

Quality

56%

Does it follow best practices?

Impact

94%

1.64x

Average score across 3 eval scenarios

Securityby

Advisory

Suggest reviewing before use

Optimize this skill with Tessl

npx tessl skill review --optimize ./plugins/cloudflare-mcp-server/skills/cloudflare-mcp-server/SKILL.md

Quality

Discovery

40%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description identifies a clear technical niche (MCP servers on Cloudflare Workers) which provides good distinctiveness, but lacks explicit trigger guidance and concrete action verbs. The absence of a 'Use when...' clause significantly limits Claude's ability to know when to select this skill from a large skill library.

Suggestions

Add a 'Use when...' clause with trigger terms like 'MCP server', 'Cloudflare Workers', 'Model Context Protocol', 'edge deployment', or 'serverless MCP'.

Expand the capability list with specific actions: 'scaffold projects', 'define tool handlers', 'configure resource endpoints', 'deploy to Cloudflare'.

Include common user phrasings like 'deploy MCP to the edge', 'create a Cloudflare MCP server', or 'build serverless MCP tools'.

Dimension	Reasoning	Score
Specificity	Names the domain (MCP servers on Cloudflare Workers) and mentions components (tools, resources, prompts), but doesn't list concrete actions like 'create endpoints', 'configure authentication', or 'deploy workers'.	2 / 3
Completeness	Describes what it does (build MCP servers) but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill.	1 / 3
Trigger Term Quality	Includes relevant technical terms like 'MCP', 'Model Context Protocol', 'Cloudflare Workers', but misses common variations users might say like 'deploy', 'serverless', 'edge functions', or 'MCP server setup'.	2 / 3
Distinctiveness Conflict Risk	The combination of 'MCP servers' and 'Cloudflare Workers' creates a clear, specific niche that is unlikely to conflict with other skills - this is a very targeted use case.	3 / 3
	Total	8 / 12 Passed

Implementation

72%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill excels at conciseness and progressive disclosure, providing a clean overview with well-organized references to detailed documentation. However, it lacks a clear workflow for the end-to-end process of building and deploying an MCP server, and some code examples are incomplete placeholders rather than fully executable snippets.

Suggestions

Add a brief numbered workflow section (e.g., '1. Create project with template → 2. Define tools → 3. Deploy with wrangler → 4. Test endpoint') to guide the build-deploy process

Complete the code examples with actual values instead of placeholders like `[...]` to make them fully executable

Dimension	Reasoning	Score
Conciseness	The content is lean and efficient, providing only essential information. No unnecessary explanations of what MCP is or how Workers function - assumes Claude's competence with these concepts.	3 / 3
Actionability	Provides executable TypeScript examples but they're incomplete (e.g., `results: [...]` placeholder). The Quick Start is copy-paste ready but the tool example has gaps that would require inference.	2 / 3
Workflow Clarity	No explicit workflow sequence for building and deploying an MCP server. References point to detailed guides but the skill itself doesn't outline steps like 'create project → add tools → deploy → test'. For a multi-step process like server deployment, validation checkpoints are missing.	2 / 3
Progressive Disclosure	Excellent structure with clear overview, well-organized references with line counts and descriptions, and templates for different use cases. One-level-deep references are clearly signaled with descriptive summaries.	3 / 3
	Total	10 / 12 Passed

Validation

100%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository: secondsky/claude-skills
Commit: 90d6bd7

Reviewed: 18 days ago

Table of Contents

Discovery Implementation Validation

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