Install Postmancer in Claude Code
This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:
claude mcp add postmancer -- <command to start the server>Frequently asked questions
What does the Postmancer MCP server do?
Maintain and use API collections, replacing REST clients like Postman or Insomnia.
Is the Postmancer MCP server free?
Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.
Does Postmancer run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Postmancer to Claude Code?
Follow the install steps in the project's README at https://github.com/hijaz/postmancer, then register it with "claude mcp add".
More developer tools MCP servers
View allGodotLens
pzalutski-pixel/godotlens-mcp
Semantic GDScript analysis via Godot's built-in LSP: navigation, references, diagnostics, rename and file sync.
Janee
rsdouglas/janee
Self-evolving server that uses an LLM to create, test and refine its own tools at runtime from natural language descriptions.
Mneme Decision
MnemeHQ/mneme
Architectural decision governance for coding agents: submit proposals and query canonical decisions and their lineage, while humans keep final authority.
Codeforces
mrfentmen/codeforces-mcp
Codeforces competitive programming API: contests and user info. No key required.
Rhizome
Odrin/rhizome-mcp
Local-first task tracking and coordination for coding agents: durable issues, leases, checkpoints, decisions, dependency graphs and review workflows.
AI Quality Gate
mustafacagri/ai-quality-gate
🚀 Kill the Junior AI Era. 🤖 Level up AI code to automatically Principal standards. 🛡️ Quality Gate ✨