mumo — Claude Code MCP server: what it does, how to install
Coordinates multi-model debates across Claude, GPT, and Gemini with cross-model rebuttals. Useful for pressure-testing architecture plans before rollout.
claude mcp add --transport http mumo https://mumo.chat/api/mcpWhat mumo does
mumo operates as a hosted endpoint at https://mumo.chat/api/mcp, avoiding local processes or background binaries. An agent dispatches a problem statement to multiple labs including Claude, GPT, Gemini, Grok, DeepSeek, and Kimi. The participating models formulate answers and critique each other's claims directly.
Deliberations run asynchronously. The agent initiates a session via create_deliberation, then blocks with wait_for_round while the panel deliberates. Panels take 15 to 120 seconds. Outputs return as a structured claim map, which can be steered into another round using append_round alongside typed tags like KEEP, EXPLORE, or CHALLENGE.
Tool execution fails without an API key starting with mmo_live_, even though initialize and tools/list respond freely. The service includes a recurring monthly credit allowance for testing.
What it helps with
- gather cross-model critiques on system architecture drafts
- compare assessments from GPT, Claude, and Gemini on one decision
- highlight disagreements among competing models before product launch
- guide iterative deliberation rounds using KEEP and CHALLENGE snippets
Example prompts for the agent
- Start a new discussion using
create_deliberationon whether to adopt event sourcing for our payment service. - Wait for the deliberation round to finish with
wait_for_roundand summarize the claim map disagreements. - Check available panel models and account pricing via
list_models.
How to install mumo
Platform CLI: remote server
claude mcp add --transport http mumo https://mumo.chat/api/mcpPlatform CLI: remote server
codex mcp add mumo --url https://mumo.chat/api/mcpConfig file
{
"mcpServers": {
"mumo": {
"url": "https://mumo.chat/api/mcp"
}
}
}Config file
{
"servers": {
"mumo": {
"type": "http",
"url": "https://mumo.chat/api/mcp"
}
}
}Platform CLI: remote server
gemini mcp add -t http mumo https://mumo.chat/api/mcpStep by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more
Questions about mumo
How to install mumo in Claude Code?
Run claude mcp add --transport http mumo https://mumo.chat/api/mcp in your terminal. You must also supply your API key in the authorization header to invoke deliberation tools.
What does mumo do?
It submits prompts to several AI labs simultaneously, collecting their answers alongside structured cross-reactions. Agents can review where the models disagree instead of relying on a single vendor.
Is an API key required to run mumo?
An API key starting with mmo_live_ is mandatory for running deliberation tools. Clients can only inspect available tools and initialize the connection without setting the header.
