# `@tempmd/mcp`

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MCP server for [temp.md](https://temp.md) — give agent-made artifacts one stable public link that updates in place.

Publish an HTML, Markdown, CSV, or Mermaid artifact and get a canonical URL like `amber-hill-9eb6.temp.md`. Push new versions behind the same URL — no re-sharing, ever. Temps expire intentionally when the work goes cold (7-day active window, resets on every update) and can be restored within 7 days of expiry.

## Install

**Remote — no install**

```bash
claude mcp add --transport http tempmd https://api.temp.md/mcp
```

Remote MCP accepts inline UTF-8 or base64 files. Anonymous publishing needs no
credential. To publish directly into an account and use account tools, configure
the connection with `Authorization: Bearer <tempmd_key_...>`.

**Local stdio — best for filesystem access and larger directories**

```bash
claude mcp add tempmd -- npx -y @tempmd/mcp
```

**Cursor / Windsurf / any MCP client** — add to your MCP config:

```json
{
  "mcpServers": {
    "tempmd": {
      "command": "npx",
      "args": ["-y", "@tempmd/mcp"]
    }
  }
}
```

`tempmd-mcp` remains available as a compatibility package with the same
implementation and version.

No account or API key required — temp.md is anonymous-create-first. Claim a Temp later to keep it.

The remote transport is limited to 10 MiB and 20 inline files per bundle. The
stdio package uses local paths and supports the full 50 MiB / 100-file bundle.

## Tools

| Tool | Local stdio | Remote | What it does |
|------|:-----------:|:------:|--------------|
| `publish_temp` | ✓ | ✓ | Publish a new artifact and get a stable public URL |
| `update_temp` | ✓ | ✓ | Push a new version behind the same URL |
| `get_temp_status` | ✓ | ✓ | Check lifecycle and restore eligibility |
| `restore_temp` | ✓ | ✓ | Bring a recently expired Temp back at the same URL |
| `snapshot_temp` | ✓ | ✓ | Freeze the current version as a fixed reference |
| `set_comments` | ✓ | ✓ | Toggle pinned visitor comments |
| `list_temps` | ✓ | ✓ | List local project records or account-owned Temps |
| `recover_update_token` | — | ✓ | Rotate and recover a lost scoped update token |

`publish_temp` and `update_temp` accept `spa_mode: true` for client-routed
single-page apps. Leave it off for static sites so missing assets return 404.
Uploads are capped at 10 MB per file, 50 MB per bundle, and 100 files; publish
and update limits are 60/hour/IP and 120/hour/Temp/IP respectively.

## How credentials work

`publish_temp` saves a record (Temp ID, URL, update token, expiry) to a `.tempmd` file in the project root. Every other tool reads that file automatically, so an agent can update the same Temp across sessions without you managing tokens. Tokens can also be passed explicitly via `update_token`.

Add `.tempmd` to `.gitignore` if the update token shouldn't be shared with everyone who can read the repo.

## Configuration

| Env var | Default | Purpose |
|---------|---------|---------|
| `TEMPMD_API_URL` | `https://api.temp.md` | Point at a different API (e.g. local dev `http://localhost:8787`) |

## Development

This repo mirrors the `packages/mcp` package from the temp.md monorepo, where development happens. Issues and feature requests are welcome here.

## Semantics agents should preserve

- The canonical URL is the only link to share — never surface version-specific links.
- A failed update never breaks the live link; the last successful version keeps serving.
- Prefer `update_temp` over `publish_temp` when the project already has a Temp for the artifact.