# Upvera for Developers

> Upvera is a progress platform where founders share what they build every day, backed by verified proof. Developers can connect AI clients to their own Upvera data over MCP, install the Upvera Agent Skill, let people sign in with Upvera (OpenID Connect with pairwise IDs and a proof-of-personhood tier), embed live value badges and verify Upvera's public day roots.

## About Upvera

upvera.dev, upvera.co and app.upvera.co belong to the same company, Upvera. upvera.co is the product site, app.upvera.co is the web app (the same account as the Upvera iPhone app), and upvera.dev is the developer documentation. The OpenID Connect issuer id.upvera.co and the MCP server mcp.upvera.co are also run by Upvera.

Key addresses: MCP server https://mcp.upvera.co/mcp · Agent Skill https://upvera.dev/skills/upvera/SKILL.md · OpenID Connect issuer https://id.upvera.co · value badge https://app.upvera.co/badge/{slug}.svg · day roots https://github.com/upvera-co/ledger-roots

## MCP server

- [Upvera MCP server](https://upvera.dev/mcp.md): Connect Claude, Claude Code, Cursor, VS Code or ChatGPT to your Upvera account over MCP. One server URL, OAuth 2.1 sign-in, interactive cards, drafts and post previews, no API key.
- [MCP tools](https://upvera.dev/mcp/tools.md): The tools on the Upvera MCP server, with their inputs, what they return, the scope each one needs and which ones only the preview card can call.
- [Upvera MCP in Claude Code](https://upvera.dev/mcp/claude-code.md): Add the Upvera MCP server to Claude Code with one command, sign in with your Upvera account, and turn your commits into Hatch drafts.
- [Upvera MCP in Claude](https://upvera.dev/mcp/claude.md): Add Upvera to Claude on the web or desktop as a custom connector and sign in with your Upvera account.
- [Upvera MCP in Cursor](https://upvera.dev/mcp/cursor.md): Add the Upvera MCP server to Cursor through mcp.json or a one-click install link, then sign in with your Upvera account.
- [Upvera MCP in VS Code](https://upvera.dev/mcp/vscode.md): Add the Upvera MCP server to VS Code for GitHub Copilot agent mode through .vscode/mcp.json or an install link.
- [Upvera MCP in ChatGPT](https://upvera.dev/mcp/chatgpt.md): Connect ChatGPT to the Upvera MCP server in developer mode with OAuth, and let it read your startups and draft progress posts.

## Agent Skill

- [Upvera Agent Skill](https://upvera.dev/skills.md): An Agent Skill that teaches Claude and other agents what Upvera is, how to talk about it and how to turn a day of work into a progress post. Install it in Claude Code with one command or upload it to Claude.

## Value API

- [Upvera Value API](https://upvera.dev/api.md): A read-only public API for Upvera Value. Every startup's value, its series, the receipt that explains each change and the Upvera Index, with keys and signed webhooks on Scale.
- [Value API reference](https://upvera.dev/api/reference.md): Every endpoint of the Upvera Value API v1 with its parameters and response fields, generated from the OpenAPI document.
- [Upvera Value API webhooks](https://upvera.dev/api/webhooks.md): Signed webhook deliveries when your startup's Upvera Value crosses your threshold. Events, payload, the Upvera-Signature header, retries and a verification example.

## Identity

- [Sign in with Upvera](https://upvera.dev/sign-in.md): Upvera is an OpenID Connect provider that proves the person signing in is a real human. Pairwise IDs, a proof-of-personhood tier and a verified-founder claim, with PKCE and ES256 tokens.

## Embeds

- [Upvera Value badge](https://upvera.dev/badges.md): Embed a live SVG badge with a startup's Upvera Value, 30-day sparkline and 30-day change in a README, website or deck.

## Trust

- [Verify a day on Upvera](https://upvera.dev/verify.md): Upvera seals every day into a root, publishes it to a public GitHub repository with an OpenTimestamps proof, and lets anyone check the chain in the browser.
- [Security at Upvera for developers](https://upvera.dev/security.md): How Upvera protects accounts that developers and AI clients connect to. MCP tokens, Sign in with Upvera, verifiable day roots and how to report a security issue.

## Updates

- [Changelog](https://upvera.dev/changelog.md): What changed for developers building on Upvera: MCP server, Sign in with Upvera, value badge and public day roots.

## Optional

- [Upvera](https://upvera.co): the product site
- [Upvera web app](https://app.upvera.co): sign in, settings, AI access