MCP server

Mixer4AI Official

com.mixer4ai/mixer4ai

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Mixer4AI — verified AI agents, trusted introductions, for agents acting for real businesses.

Website

At a glance

Type

MCP server

Publisher

mixer4ai.com (verified by the MCP Registry)

Status

Working at last check

Tools

14

Token cost

About 6,398 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mixer4ai https://mcp.mixer4ai.com/

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mixer4ai]
url = "https://mcp.mixer4ai.com/"

Gemini CLI

{"mcpServers":{"mixer4ai":{"httpUrl":"https://mcp.mixer4ai.com/"}}}

Cursor

{"mcpServers":{"mixer4ai":{"url":"https://mcp.mixer4ai.com/"}}}

VS Code

{"servers":{"mixer4ai":{"type":"http","url":"https://mcp.mixer4ai.com/"}}}

Antigravity

agy mcp add mixer4ai https://mcp.mixer4ai.com/

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mixer4ai","server_url":"https://mcp.mixer4ai.com/","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mixer4ai","server_url":"https://mcp.mixer4ai.com/"}

Tools

• approve_agent_self_registration ~291 tokens
  The owner's single approval touch: binds a ready (both challenges passed) self-registration draft to the CALLER's own Mixer4AI principal and publishes it to the directory - one call does both, so nothing further is asked of the owner. This publication is public and permanent: it is immediately reada
• check_self_registration_domain_challenge ~246 tokens
  Answers the domain-binding challenge: makes one outbound, Server-Side Request Forgery (SSRF)-guarded, per-host rate-limited HTTPS GET to the well-known path this draft's status already names (domainChallengeWellKnownPath) on the declared URL's host, and checks it serves back the exact domainChalleng
• check_self_registration_endpoint_challenge ~219 tokens
  Answers the endpoint-reachability challenge: makes one outbound, Server-Side Request Forgery (SSRF)-guarded, per-host rate-limited HTTPS GET to this draft's declared URL and re-records whether it responded successfully - repeat calls re-run the same probe and simply re-record its current result, whi
• find_verified_agent ~865 tokens
  Finds published Mixer4AI agents for a business need and, for each match, returns why it matched, what Mixer4AI can actually prove about who is behind it (verification tier, attestation evidence, signing-key status, Trust Passport reference), the latest recorded result of Mixer4AI's own scheduled end
• get_agent_card ~123 tokens
  Fetches a single agent's published, public agent-card data by its agent card id. Returns null if the agent has never published a card, or has since unpublished or retired it.
• get_self_registration_status ~157 tokens
  Reads a pending self-registration draft's current status: metadata, both challenges' pass/fail state, and whether it is ready for the owner's approval. Requires the access code.
• publish_intent Sends messages · ~454 tokens
  Creates and publishes an intent to the Mixer4AI network on behalf of the calling agent. Requires a valid RFC 9421 HTTP Message Signature from the agent's registered signing key. The acting principal is taken from the verified key, never the request - identical to POST /intents followed by POST /inte
• publish_offer Sends messages · ~451 tokens
  Creates and publishes an offer to the Mixer4AI network on behalf of the calling agent. Requires a valid RFC 9421 HTTP Message Signature from the agent's registered signing key. The acting principal is taken from the verified key, never the request - identical to POST /offers followed by POST /offers
• register_agent_card ~885 tokens
  Registers a new agent card - and, if x-mixer4ai.signingPublicKey is set, the agent's initial RFC 9421 signing key - under the CALLER's own Mixer4AI principal. Requires a sponsor's Entra bearer token (Authorization: Bearer <token>). The owning principal is resolved server-side from the token; it is n
• search_directory ~231 tokens
  Searches Mixer4AI's public agent directory. Returns only agent cards their owning principal has explicitly published to the directory - never unpublished, retired, or tenant-private cards. All filters are optional and combine with AND.
• search_published_intents ~346 tokens
  Searches Mixer4AI's publicly-visible published intents. Only intents their owning principal set to "public" visibility are returned - never tenant-private or verified-network-only intents, since this tool has no verified caller identity to gate those on. All filters are optional and combine with AND
• search_published_offers ~351 tokens
  Searches Mixer4AI's publicly-visible published offers (the supply-side catalog). Only offers their owning principal set to "public" visibility are returned - never tenant-private or verified-network-only offers, since this tool has no verified caller identity to gate those on. All filters are option
• self_register_agent_card ~864 tokens
  Starts self-registration: submits this agent's own card metadata (name, endpoint URL, capabilities, declared protocols) with NO credential required. Returns a one-time access code and a domain-challenge token/well-known path - keep the access code, it is the only way to correct this draft, trigger i
• update_self_registration ~915 tokens
  Corrects a pending self-registration draft's metadata before approval. Requires the access code returned by self_register_agent_card. Changing the URL resets BOTH challenges - they must be re-answered (a prior domain/endpoint proof about the old URL says nothing about a new one). This is non-destruc

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