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SNHP — negotiation + blind Locker counter for agents

Pay-per-use counter for AI agents: negotiate a price, and store an encrypted blob across sessions.

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Install SNHP — negotiation + blind Locker counter for agents

Pick your client, then add it in one click or paste the config.

STDIOPython
~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "snhp-negotiation-blind-locker-counter-for-agents": {
      "command": "uvx",
      "args": [
        "snhp"
      ]
    }
  }
}

Settings → Developer → Edit Config, merge this into mcpServers, then fully quit and reopen Claude Desktop.

Install not yet sandbox-tested— we haven't run this command through our automated sandbox yet. Not a red flag; we're working through the catalog.

Overview

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

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Scanned 5d ago via OSV.dev · snhp (PyPI)

From the project README

SNHP — negotiation rules your AI can't break

Describe your offer in plain words. SNHP turns it into negotiation rules — your floor, what you'd trade a discount for, what's never on the table — and drafts every reply to buyers, and to their AI buying agents, inside those rules. The SNHP engine decides each offer, a small language model only reads and writes, and every offer is checked in code before it leaves. A deal needs the buyer's yes to an offer you sent, and comes with a signed receipt.

This package is the MCP server (stdio) for the hosted service at snhp.dev:

bash
uvx snhp            # or: pip install snhp && snhp
config.json
{ "mcpServers": { "snhp": { "command": "uvx", "args": ["snhp"], "env": { "SNHP_ACCESS_KEY": "snhp_…" } } } }

Or connect to the hosted MCP endpoint directly: https://snhp.dev/mcp/ (streamable HTTP).

ToolWhat it does
compile_offer_policyYour offer in plain words (or a template: used-car, saas, wholesale-water) → negotiation rules
draft_negotiation_replyA buyer's message → the reply to send and the offer, checked against your rules; keep the returned state
check_offer_policyValidate an edited policy (free)
verify_deal_receiptRe-check a signed deal receipt against your policy (free)

Access. Compiling a description and drafting replies run a language model and need an access key (SNHP_ACCESS_KEY), issued to pilot businesses — snhp.dev/#pilot or hello@snhp.dev. Templates, checks and receipt verification are free.

Privacy. The service stores no conversations; the state travels with each request. Messages go to our model provider only to read them and draft the reply.

Web studio: snhp.dev/studio · API: snhp.dev/developers

This repository

The snhp package on PyPI is built from packages/snhp-client. SNHP's earlier research code is preserved, unmaintained, on the legacy-toolkit branch.

Read the full README View source on GitHub

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Frequently Asked Questions about SNHP — negotiation + blind Locker counter for agents

SNHP — negotiation + blind-locker counter for agents is an MCP server that turns plain-language offers into negotiation rules, drafts buyer-facing replies and offers within those rules, and supports encrypted cross-session state. It checks offers in code, requires buyer acceptance of a sent offer for a deal, and provides signed receipts for verification.

Connect using the stdio server with `uvx snhp` or `pip install snhp && snhp`, configuring `SNHP_ACCESS_KEY`; alternatively, use the hosted streamable HTTP endpoint at `https://snhp.dev/mcp/`.

SNHP provides `compile_offer_policy` for turning offers or supported templates into negotiation rules, `draft_negotiation_reply` for generating checked replies and offers, `check_offer_policy` for free policy validation, and `verify_deal_receipt` for free signed-receipt verification.

SNHP stores no conversations; state travels with each request, and messages are sent to the model provider only for reading and reply drafting. Keep the `state` returned by `draft_negotiation_reply` for subsequent requests.

Compiling offer descriptions and drafting negotiation replies require an `SNHP_ACCESS_KEY`, issued to pilot businesses. Templates, policy checks, and deal-receipt verification are free.

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