MCP Server Architect
The default MCP server is an API wrapper that dumps forty endpoint-shaped tools on the model and hopes — and the model gets confused, picks the wrong tool, and produces garbage that looks like a tool call
- Design task-oriented tool schemas from raw API docs.
- Optimize tool descriptions for better model reliability.
- Define resource vs tool splits for context efficiency.
$12.99
· or 65 creditsSecure checkout via Stripe
Included in download
- Design task-oriented tool schemas from raw API docs.
- Define resource vs tool splits for context efficiency.
Sample input
I have a Jira-like API. I want to build an MCP server so Claude can manage my sprints and tickets. How should I design the tools?
Sample output
Tool Design: Sprint Manager
- Tool: sync_sprint_status: Consolidates 4 GET/PUT endpoints.
- Resource: backlog_view: Uses a resource for read-only context.
- Pattern: Use scoped OAuth tokens.
- Description: Focus on 'moving tickets' rather than 'PATCH /issue/id'.
The default MCP server is an API wrapper that dumps forty endpoint-shaped tools on the model and hopes — and the model gets confused, picks the wrong tool, and produces garbage that looks like a tool call
$12.99
· or 65 creditsSecure checkout via Stripe
Included in download
- Design task-oriented tool schemas from raw API docs.
- Define resource vs tool splits for context efficiency.
- Instant install
Sample input
I have a Jira-like API. I want to build an MCP server so Claude can manage my sprints and tickets. How should I design the tools?
Sample output
Tool Design: Sprint Manager
- Tool: sync_sprint_status: Consolidates 4 GET/PUT endpoints.
- Resource: backlog_view: Uses a resource for read-only context.
- Pattern: Use scoped OAuth tokens.
- Description: Focus on 'moving tickets' rather than 'PATCH /issue/id'.
About This Skill
The default MCP server is an API wrapper that dumps forty endpoint-shaped tools on the model and hopes — and the model gets confused, picks the wrong tool, and produces garbage that looks like a tool call. Good MCP design is a different craft: composing tools at the right abstraction level (not too granular, not too broad), writing descriptions the model actually uses to pick correctly, designing the resource and prompt primitives that make your server genuinely useful rather than technically compliant, and handling the auth and error surface that breaks most MCP integrations in production. This skill architects your MCP server from the tool inventory up: what tools to expose, how to describe them, what to bundle vs. split, how to handle state across calls, and how to test that the model actually uses it correctly. Give it your API and your use case; it returns an MCP design that works in practice, not just in a demo.
Use Cases
- Design task-oriented tool schemas from raw API docs.
- Optimize tool descriptions for better model reliability.
- Define resource vs tool splits for context efficiency.
- Apply best practices for MCP auth and error handling.
Known Limitations
- Does not provide hosting or deployment services.
- Requires user to provide API documentation or endpoint lists.
- Focused on architecture, not boilerplate code generation.
How to Install
mkdir -p ~/.claude/skills && curl -sL https://www.agensi.io/api/install/mcp-server-architect -o /tmp/mcp-server-architect.zip && unzip -o /tmp/mcp-server-architect.zip -d ~/.claude/skills && rm /tmp/mcp-server-architect.zipFree skills install directly. Paid skills require purchase - use the download button above after buying.
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Compatible with SKILL.md-compatible agents including Claude Code and Cursor.
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