v0.8.3: MCP marketplace metadata + 100xPercent org migration

- Add [tool.mcp] mcpName "io.github.100xpercent/pop-pay" for Official
  MCP Registry discovery
- Add [project.urls] with Homepage/Repository/Issues pointing at
  100xPercent org
- Add keywords block for marketplace search (mcp, ai-agent, payment,
  security, guardrail, virtual-card, cdp, etc.)
- Migrate README badge URLs from TPEmist/pop-pay-python to
  100xPercent/pop-pay-python

Author: TPEmist

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.8.3] - 2026-04-10
+
+### Changed
+- **MCP marketplace metadata**: added `[tool.mcp]` namespace `io.github.100xpercent/pop-pay`, keywords, and project URLs to pyproject.toml for marketplace discovery.
+- **GitHub org migration**: updated README badges and `[project.urls]` from `TPEmist/pop-pay-python` to `100xPercent/pop-pay-python`.
+
 ## [0.8.2] - 2026-04-10
 
 ### Fixed

README.md

@@ -1,4 +1,4 @@
-[![PyPI version](https://img.shields.io/pypi/v/pop-pay.svg)](https://pypi.org/project/pop-pay/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![CI](https://github.com/TPEmist/pop-pay-python/actions/workflows/test.yml/badge.svg)](https://github.com/TPEmist/pop-pay-python/actions/workflows/test.yml) [![Python 3.10+](https://img.shields.io/badge/python-3.10%2B-blue.svg)](https://www.python.org/)
+[![PyPI version](https://img.shields.io/pypi/v/pop-pay.svg)](https://pypi.org/project/pop-pay/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![CI](https://github.com/100xPercent/pop-pay-python/actions/workflows/test.yml/badge.svg)](https://github.com/100xPercent/pop-pay-python/actions/workflows/test.yml) [![Python 3.10+](https://img.shields.io/badge/python-3.10%2B-blue.svg)](https://www.python.org/)
 
 <p align="center">
     <picture>

pyproject.toml

@@ -4,18 +4,27 @@ build-backend = "hatchling.build"
 
 [project]
 name = "pop-pay"
-version = "0.8.2"
+version = "0.8.3"
 description = "Point One Percent - Semantic Payment Guardrail for AI Agents. it only takes 0.1% of Hallucination to drain 100% of your wallet."
 authors = [{name="Point One Percent Team"}]
 dynamic = ["readme"]
 license = {text="MIT"}
 requires-python = ">=3.10"
+keywords = ["mcp", "mcp-server", "model-context-protocol", "ai-agent", "payment", "security", "guardrail", "virtual-card", "cdp", "browser-automation", "checkout", "prompt-injection"]
 dependencies = [
     "cryptography>=46.0.5",
     "pydantic",
     "python-dotenv",
 ]
 
+[project.urls]
+Homepage = "https://github.com/100xPercent/pop-pay-python"
+Repository = "https://github.com/100xPercent/pop-pay-python"
+Issues = "https://github.com/100xPercent/pop-pay-python/issues"
+
+[tool.mcp]
+mcpName = "io.github.100xpercent/pop-pay"
+
 [project.optional-dependencies]
 llm = ["openai", "tenacity>=9.1.4"]
 stripe = ["stripe"]