Server definition

Hash: sha256:f4e0b3837829f1c9186ebe9ae0f00b0e17eb4578d5b3c16a6042dd864f0d904b
What it is: What a remote MCP server returned when asked what it offers: 5 tools

The blob, as servednamed by its sha256

{
  "instructions": "Yo lets an agent send its owner a content-free push notification. If you have no API key, call register_agent, show the user the complete pairing URL (including the #fragment), and poll check_registration. When the key arrives, tell the user which account paired_with names; if it is not theirs, call cancel_registration (or revoke_self with the key, at any later time). Send at most 1 yo per 30 seconds.",
  "tools": [
    {
      "description": "Abort a pairing you started with register_agent. Works while pending and after approval: an already-approved connection is revoked (the API key stops working) so a pairing approved by the wrong account can be undone. Available until the pairing expires, and for 15 minutes after you pick up the API key; later than that, use revoke_self. Then call register_agent again.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "claim_token": {
            "description": "The claim_token returned by register_agent (authorizes the cancellation)",
            "maxLength": 64,
            "minLength": 1,
            "type": "string"
          },
          "pairing_code": {
            "description": "The pairing code returned by register_agent",
            "maxLength": 16,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "pairing_code",
          "claim_token"
        ],
        "type": "object"
      },
      "name": "cancel_registration",
      "outputSchema": null
    },
    {
      "description": "Check the status of a pairing code from register_agent. On the first poll after the user approves, the response includes the api_key exactly once — store it immediately in your secret mechanism — plus paired_with, the account the agent is now connected to, which you MUST show the user.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "claim_token": {
            "description": "The claim_token returned by register_agent; required to receive the api_key",
            "maxLength": 64,
            "type": "string"
          },
          "pairing_code": {
            "description": "The pairing code returned by register_agent",
            "maxLength": 16,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "pairing_code"
        ],
        "type": "object"
      },
      "name": "check_registration",
      "outputSchema": null
    },
    {
      "description": "Register this agent with Yo (unauthenticated). Returns a pairing URL and code to show the user, who approves the connection in the Yo app. Then poll check_registration to obtain the API key.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "description": {
            "description": "Short description of what this agent does",
            "maxLength": 500,
            "type": "string"
          },
          "platform": {
            "description": "Agent platform (e.g. \"cursor\", \"devin\", \"claude-code\")",
            "maxLength": 64,
            "type": "string"
          },
          "proposed_name": {
            "description": "Proposed display name for the agent (e.g. \"banana\", \"devin-home-repo\")",
            "maxLength": 64,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "proposed_name"
        ],
        "type": "object"
      },
      "name": "register_agent",
      "outputSchema": null
    },
    {
      "description": "Permanently revoke THIS agent using its API key as the Bearer token. Use when you discover (at any time) that paired_with is not your owner’s account and cancel_registration no longer works. The key stops working immediately; call register_agent to start over.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "confirm": {
            "const": true,
            "description": "Must be true — revocation is immediate and irreversible",
            "type": "boolean"
          }
        },
        "required": [
          "confirm"
        ],
        "type": "object"
      },
      "name": "revoke_self",
      "outputSchema": null
    },
    {
      "description": "Send a Yo — a content-free push notification — to your owner. Requires an agent API key as the Bearer token. Optionally include a context_url the notification tap-through will open.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "context_url": {
            "description": "Optional https or app deep-link URL opened when the user taps the notification",
            "maxLength": 2048,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "yo",
      "outputSchema": null
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:f4e0b3837829f1c9186ebe9ae0f00b0e17eb4578d5b3c16a6042dd864f0d904b | sha256sum