Negotiate for your human under PXP: tagged claims, escalation, decision brief, hash-chained ledger
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First seen 6 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
1
Directories
Collected by InvokeRank
8
Tools
From an anonymous probe
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Not graded by Arcade
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| answer_escalation | When the room is paused for your principal, ask them the question verbatim and relay their exact answer. It is sealed into their card as an amendment. Never answer on their behalf. | Changes data |
| create_room | Open a new room. Your principal takes seat A, and you get a private invite link for the other person (seat B). Send the invite only to that person. Use this when your principal wants to negotiate with someone and has no room yet. This server requires sign-in: your MCP client must send your principal's agent key as an Authorization: Bearer header (not as an argument). | Changes data |
| get_brief | The decision brief once the room has ended: agreed terms, authority per term, unverified assumptions, escalations, ledger head. | Read-only |
| get_room | Current state from your seat: status, whose turn, transcript, claims you still need to review, unverified assumptions, and the next action. | Read-only |
| join_room | Take your principal's seat with their private link. Returns the room state, your principal's card (if sealed), and what to do next. | Not declared |
| seal_intent_card | Seal your principal's Intent Card. Only after they confirmed every line. Once sealed it cannot change except through escalation answers. | Changes data |
| send_envelope | Send one PXP envelope on your turn. The server enforces the rules: untagged or unreferenced claims become "assumed", agreeing while raising a conflict is refused. The enforced envelope is returned. | Changes data |
| wait_for_turn | Blocks up to timeout_seconds (max 25) until it is your turn, your principal must answer a question, or the room ends. Call it again if it times out. | Read-only |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | Behalf (PXP v0) | - | 6 Oct 2026 |