MCP Prompt Server (Go)

Go-based MCP server for managing and serving reusable prompt templates by smallnest — a prolific Go developer. Enables AI agents to load, query, and use stored prompt templates — supporting prompt engineering workflows, prompt versioning, and systematic prompt management for AI development teams.

Evaluated Mar 06, 2026 (0d ago) vcurrent
Homepage ↗ Repo ↗ Developer Tools prompts prompt-management go mcp-server smallnest templates
⚙ Agent Friendliness
77
/ 100
Can an agent use this?
🔒 Security
77
/ 100
Is it safe for agents?
⚡ Reliability
68
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
68
Documentation
68
Error Messages
66
Auth Simplicity
98
Rate Limits
98

🔒 Security

TLS Enforcement
75
Auth Strength
80
Scope Granularity
70
Dep. Hygiene
72
Secret Handling
87

Local storage. No credentials. Prompts stay local. Low risk.

⚡ Reliability

Uptime/SLA
70
Version Stability
68
Breaking Changes
66
Error Recovery
68
AF Security Reliability

Best When

An AI development team wants to manage prompt templates systematically — versioning prompts, sharing them across agents, and maintaining a prompt library for consistent AI behavior.

Avoid When

You use dedicated prompt management platforms. This is a lightweight local prompt store — evaluate whether you need the full features of platforms like LangSmith.

Use Cases

  • Loading and applying prompt templates from AI agent workflows
  • Managing prompt libraries for consistent agent behavior across workflows
  • Versioning and iterating on prompts from prompt engineering agents
  • Sharing prompt templates across team members and agent deployments

Not For

  • Single-use prompts that don't need to be reused or versioned
  • Teams using dedicated prompt management platforms (LangSmith, Portkey)
  • Simple completions without prompt template needs

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

Methods: none
OAuth: No Scopes: No

Local prompt store — no authentication required.

Pricing

Model: free
Free tier: Yes
Requires CC: No

Free open source by smallnest.

Agent Metadata

Pagination
none
Idempotent
Full
Retry Guidance
Not documented

Known Gotchas

  • Prompt templates stored locally — not synced across team members without additional setup
  • smallnest is a well-regarded Go developer (rpcx, etc.) — Go implementation quality is likely solid
  • Prompt versioning strategy must be defined by user — server stores but doesn't enforce versions
  • 34 stars is modest but Go quality signal from smallnest is strong

Alternatives

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for MCP Prompt Server (Go).

$99

Scores are editorial opinions as of 2026-03-06.

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