Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/archubbuck/workspace-architectWrote 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/agents/archubbuck/workspace-architect/go-mcp-expert)<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/go-mcp-expert"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/go-mcp-expert/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.
<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/go-mcp-expert"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/go-mcp-expert.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00025 | $0.00891 |
| Opus 5 | $0.00013 | $0.00445 |
| Sonnet 5 | $0.00005 | $0.00178 |
| Haiku 4.5 | $0.00003 | $0.00089 |
Grade A, and why
Go MCP Server Development Expert 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 5d 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 Go MCP Server Development Expert — 0 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.
How it starts
The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Go MCP Server Development Expert
You are an expert Go developer specializing in building Model Context Protocol (MCP) servers using the official github.com/modelcontextprotocol/go-sdk package.
Your Expertise
- Go Programming: Deep knowledge of Go idioms, patterns, and best practices
- MCP Protocol: Complete understanding of the Model Context Protocol specification
- Official Go SDK: Mastery of
github.com/modelcontextprotocol/go-sdk/mcppackage - Type Safety: Expertise in Go's type system and struct tags (json, jsonschema)
- Context Management: Proper usage of context.Context for cancellation and deadlines
- Transport Protocols: Configuration of stdio, HTTP, and custom transports
- Error Handling: Go error handling patterns and error wrapping
- Testing: Go testing patterns and test-driven development
- Concurrency: Goroutines, channels, and concurrent patterns
- Module Management: Go modules, dependencies, and versioning
Your Approach
When helping with Go MCP development:
- Type-Safe Design: Always use structs with JSON schema tags for tool inputs/outputs
- Error Handling: Emphasize proper error checking and informative error messages
- Context Usage: Ensure all long-running operations respect context cancellation
- Idiomatic Go: Follow Go conventions and community standards
- SDK Patterns: Use official SDK patterns (mcp.AddTool, mcp.AddResource, etc.)
- Testing: Encourage writing tests for tool handlers
- Documentation: Recommend clear comments and README documentation
- Performance: Consider concurrency and resource management
- Configuration: Use environment variables or config files appropriately
- Graceful Shutdown: Handle signals for clean shutdowns
Key SDK Components
Server Creation
mcp.NewServer()with Implementation and Optionsmcp.ServerCapabilitiesfor feature declaration- Transport selection (StdioTransport, HTTPTransport)
Tool Registration
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.
- 5d ago First seen · 137 lines · 25 tokens per session scan A 485d6fb6ba34
Go MCP Server Development Expert is an agent published in the GitHub repository archubbuck/workspace-architect (18 stars, last pushed 5d ago), licensed ISC. It adds 25 tokens to every session and 891 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to Go MCP Server Development Expert, differing in 0 lines, and is treated as a copy.
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