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mcp-cli

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by github · part of github/awesome-copilot

Command-line interface for discovering and executing MCP server tools and external integrations. Five core commands cover server discovery, tool exploration, schema inspection, execution, and grep-based searching across all available tools Supports JSON input/output for scripting, raw text extraction, and description flags for verbose tool documentation Handles complex JSON arguments via heredoc, stdin piping, or file input to accommodate special characters and multi-line payloads...

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🧩 One of 7 skills in the github/awesome-copilot package — works on its own, and pairs well with its siblings.

Command-line interface for discovering and executing MCP server tools and external integrations. Five core commands cover server discovery, tool exploration, schema inspection, execution, and grep-based searching across all available tools Supports JSON input/output for scripting, raw text extraction, and description flags for verbose tool documentation Handles complex JSON arguments via heredoc, stdin piping, or file input to accommodate special characters and multi-line payloads...

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by github

Command-line interface for discovering and executing MCP server tools and external integrations. Five core commands cover server discovery, tool exploration, schema inspection, execution, and grep-based searching across all available tools Supports JSON input/output for scripting, raw text extraction, and description flags for verbose tool documentation Handles complex JSON arguments via heredoc, stdin piping, or file input to accommodate special characters and multi-line payloads... npx skills add https://github.com/github/awesome-copilot --skill mcp-cli Download ZIPGitHub36.2k

MCP-CLI

Access MCP servers through the command line. MCP enables interaction with external systems like GitHub, filesystems, databases, and APIs.

Commands

Command Output mcp-cli List all servers and tool names mcp-cli <server> Show tools with parameters mcp-cli <server>/<tool> Get tool JSON schema mcp-cli <server>/<tool> '<json>' Call tool with arguments mcp-cli grep "<glob>" Search tools by name

Add -d to include descriptions (e.g., mcp-cli filesystem -d)

Workflow

  • Discover: mcp-cli → see available servers and tools

  • Explore: mcp-cli <server> → see tools with parameters

  • Inspect: mcp-cli <server>/<tool> → get full JSON input schema

  • Execute: mcp-cli <server>/<tool> '<json>' → run with arguments

Examples

Copy & paste — that's it
# List all servers and tool names
mcp-cli

# See all tools with parameters
mcp-cli filesystem

# With descriptions (more verbose)
mcp-cli filesystem -d

# Get JSON schema for specific tool
mcp-cli filesystem/read_file

# Call the tool
mcp-cli filesystem/read_file '{"path": "./README.md"}'

# Search for tools
mcp-cli grep "*file*"

# JSON output for parsing
mcp-cli filesystem/read_file '{"path": "./README.md"}' --json

# Complex JSON with quotes (use heredoc or stdin)
mcp-cli server/tool Flag Purpose 
 `-j, --json` JSON output for scripting 
 `-r, --raw` Raw text content 
 `-d` Include descriptions

## Exit Codes

- `0`: Success 

- `1`: Client error (bad args, missing config) 

- `2`: Server error (tool failed) 

- `3`: Network error