Start PromptFax session

Use this first when a user wants to send or price a fax. PromptFax is built for irregular, pay-per-use outbound faxing: every real send requires a user-reviewed

livedegraded · 279ms~5s typical

mcppromptfax

$0.0020

per call

plus $0.001 platform fee per run

Open MCP server; Cracked bills routing only

Provider Upstream docs

$Set up https://cracked-ai-pearl.vercel.app/SKILL.md, then use Cracked to run mcp-app-promptfax-promptfax /start_session for me.

Input

Field	Type	Description
sessionId	string	PromptFax MCP session identifier returned by start_session. Use this to continue a session
faxNumber	string	Destination US fax number. Accepts common human formats such as 415-555-0182 or E.164 form
hostType	string	Identify the MCP host so PromptFax can choose the right interaction mode. Use chatgpt for
hostCapabilities	object	Optional host capability hints, such as whether the client supports widgets, file-picking,
files	array	Optional host-supplied files for initial attachment. ChatGPT file parameters include files
metadata	object	Optional host-specific metadata for diagnostics or session continuity.

Call it

curl

curl https://cracked-ai-pearl.vercel.app/v1/run \
  -H "Authorization: Bearer ck_live_..." -H "content-type: application/json" \
  -d '{"provider":"mcp-app-promptfax-promptfax","endpoint":"/start_session","input":{}}'

cli

npx cracked-ai run -p mcp-app-promptfax-promptfax -e /start_session -i '{}'

mcp

run_tool({ provider: "mcp-app-promptfax-promptfax", endpoint: "/start_session", input: {} })

Try it

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