Tools: Buying signals
list_signals
Rank buying signals by timing × distinct signal types on the account. Person signals count toward their company. Dismissed signals do not add strength.
| Group | Buying signals |
| Scope | crm:read |
| Who can call it | Agents and people with this scope. |
| Kind | Read-only (MCP annotation readOnlyHint: true). |
| Retries | Safe to repeat. |
| Widget | In hosts that support MCP Apps, the result shows the ranked signal list. |
Parameters
| Parameter | Type | Required | Notes |
|---|---|---|---|
id | id (uuid) | no | |
status | new \ | dismissed \ | converted |
type | complaint \ | post_engagement \ | hiring \ |
entity_id | id (uuid) | no | |
company_id | id (uuid) | no | |
since | date-time (ISO 8601 with offset) | no | |
limit | integer | no | default 100, 1–200 |
Call it over MCP
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "list_signals",
"arguments": {}
}
}
Send it to https://api.tandemcrm.app/mcp (streamable HTTP). Most people never write this by hand: their agent picks the tool from its description.
Call it over REST
curl -X POST https://api.tandemcrm.app/v1/ops/list_signals \
-H "Authorization: Bearer $TANDEM_API_KEY" \
-H "Content-Type: application/json" \
-d '{}'
Input schema
The JSON Schema the MCP server advertises for this tool:
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"id": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
},
"status": {
"default": "new",
"type": "string",
"enum": [
"new",
"dismissed",
"converted"
]
},
"type": {
"type": "string",
"enum": [
"complaint",
"post_engagement",
"hiring",
"job_change",
"funding",
"tech_adoption",
"headcount",
"news",
"ad",
"review",
"website_change",
"other"
]
},
"entity_id": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
},
"company_id": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
},
"since": {
"type": "string",
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"
},
"limit": {
"default": 100,
"type": "integer",
"minimum": 1,
"maximum": 200
}
}
}