Mellos Mapping
Mellos Mapping is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Live layered dependency map for bottom-up development, drawn by the agent in a terminal pane. It has 115 GitHub stars, is released under the MIT license and runs locally with npx -y mellos-mapping.
github.com/GuangminJu/mellos-mapping (opens in a new tab)
Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error
Install Mellos Mapping
Generated from the server's MCP registry entry. Replace your-value with your own values.
Claude Desktop
{
"mcpServers": {
"mellos-mapping": {
"command": "npx",
"args": [
"-y",
"mellos-mapping"
]
}
}
}Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.
Claude Code
claude mcp add --transport stdio mellos-mapping -- npx -y mellos-mappingCursor
{
"mcpServers": {
"mellos-mapping": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mellos-mapping"
]
}
}
}Project file; use ~/.cursor/mcp.json to enable it in every project.
VS Code
{
"servers": {
"mellos-mapping": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mellos-mapping"
]
}
}
}Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).
Tools (11)
Parsed from the Tools section of the README; check the repository for the current list.
mmap_declareGrow the map: title (null removes it), diagram kind, layer bands, lanes, groups (subsystems), nodes — with status,…
mmap_updateRecord progress and revise: status (planned → in-progress → done +evidence, regressed), relabel a node, move it to…
mmap_removeRevise: drop edges, nodes, groups, lanes, empty bands — and, with pages, whole pages, file and all (permanent; applied…
mmap_viewRender the current map as text inline (optional zoom, -4…2), ending with a pages: line naming every page the project…
mmap_readStructured page discovery, precise IDs, filtered/paginated reads, context and source changes
mmap_batchOne-page mixed create/update/remove transaction with a revision check
mmap_setupGet/set the project's mapping policy — when maps open
mmap_openPut the map on your screen: open the pane, or retarget an open one to a page (window: true for the dedicated window).
alwaysmap every structured task: workflows, designs, architecture,
complexthe same, but only for medium or complex tasks: several modules,
on-requestmap only when you explicitly ask. In a project with no map,
About Mellos Mapping
A live, terminal-native map of bottom-up development for Claude Code, ChatGPT desktop Codex mode and Codex CLI. While Claude builds your system, a split pane beside the conversation shows the system's layered dependency map: primitive layers at the bottom, dependency edges that may only point downward, ghost nodes for what is designed, a spinner on what is being built right now, and solid green for what is built and verified.
- bottom-up
- claude-code
- codex
- dependency-graph
- developer-tools
- mcp
- mcp-server
- terminal
- tui
- visualization
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How do I install the Mellos Mapping MCP server?
Add the command npx -y mellos-mapping to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.
Is Mellos Mapping free?
The server is open source under the MIT license, so running it is free. It does not declare any required API key.
Is Mellos Mapping actively maintained?
The most recent commit was on Oct 13, 2026. The latest release is v0.28.0, published Oct 13, 2026. appsgit only lists MCP servers with a commit in the last six months.