SSyncDev

MCP Backpressure MCP Server

Backpressure and concurrency control middleware for [FastMCP](https://github.com/jlowin/fastmcp) MCP servers.

Local serverstdioPython

What is the MCP Backpressure MCP Server?

Backpressure and concurrency control middleware for FastMCP MCP servers.

The short version

  • Concurrency limiting — Semaphore-based control of parallel executions
  • Bounded queue — Optional FIFO queue with configurable size
  • Queue timeout — Automatic timeout for queued requests with cleanup
  • Structured errors — JSON-RPC compliant overload errors with detailed metrics
  • Metrics — Real-time counters for active, queued, and rejected requests
  • Callback hook — Optional notification on each overload event

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the MCP Backpressure MCP Server

{
  "mcpServers": {
    "backpressure": {
      "command": "uvx",
      "args": ["mcp-backpressure"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • “Use MCP Backpressure to Parameters.”
  • “Use MCP Backpressure to Metrics.”
  • “Use MCP Backpressure to Linting.”

Frequently asked questions

Backpressure and concurrency control middleware for [FastMCP](https://github.com/jlowin/fastmcp) MCP servers. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

Alternatives to the MCP Backpressure MCP Server

Filesystem

Official

Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.

File Systems & StorageTypeScript★ 63.0k

Context7

Official

Retrieve version-aware library documentation and code examples with Context7 MCP, using resolve-library-id and query-docs.

Documentation & API ReferencesRemoteTypeScript★ 32.0k

Opengenes MCP

This server implements the Model Context Protocol (MCP) for OpenGenes, providing a standardized interface for accessing aging and longevity research

Developer ToolsPython

Whatsagent

Local fleet controller and WhatsApp-style messaging for AI coding agents

CommunicationGo

FocusRelay

Connect AI tools to OmniFocus on macOS to find, review, and safely update tasks and projects.

Developer ToolsRemotePython

Logseq MCP Tools

MCP Server for interacting with LogSeq graph

Developer ToolsPython