A side-by-side look at the Signwell MCP and Carbone MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Signwell MCP for workplace & productivity work as a local process; choose Carbone MCP for workplace & productivity as a local process. You can also run both side by side in one mcpServers block.
SIGNWELL_API_KEY, SIGNWELL_API_BASE_URL, SIGNWELL_API_TIMEOUT_MS.CARBONE_API_KEY.convert_document, render_document, inspect_template.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Workplace & Productivity | Workplace & Productivity |
| Quality signal | 57/100 · Good | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | Not declared |
| Pricing | BYOK (pay the provider) | Not declared |
| Required env vars | SIGNWELL_API_KEYSIGNWELL_API_BASE_URLSIGNWELL_API_TIMEOUT_MS | CARBONE_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 6 |
| Directory activity | 3 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | Not listed | 12 |
| Full listing | View Signwell MCP | View Carbone MCP |
No tool names declared yet. Check the project README from the listing page.
convert_documentConverts a file to another format; Carbone tags stay as writtenrender_documentFills a template with JSON data, and can convert the result (to PDF, for example)inspect_templateLists a template's tags and returns a matching sample dataset. Runs one render on your account (counts as one document generation)list_templatesLists stored templates, filtered by category, name or IDlist_categoriesLists the template categories in your accountlist_tagsLists the tags used across your templatesupload_templateStores a reusable template, with versions, category and tagsupdate_template_metadataRenames, categorizes, tags, deploys or schedules the deletion of a template versiondelete_templateDeletes a template or one of its versions, immediatelydownload_templateDownloads a template's original file, or the sample data stored with itget_api_statusChecks the Carbone API's health and versionget_capabilitiesSummarizes the formats, features and usage examplesPaste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"bidsketch-signwell-mcp": {
"command": "npx",
"args": [
"-y",
"@signwell/mcp"
],
"env": {
"SIGNWELL_API_KEY": "YOUR_SIGNWELL_API_KEY_HERE",
"SIGNWELL_API_BASE_URL": "YOUR_SIGNWELL_API_BASE_URL_HERE",
"SIGNWELL_API_TIMEOUT_MS": "YOUR_SIGNWELL_API_TIMEOUT_MS_HERE"
}
}
}
}
{
"mcpServers": {
"carbone-mcp": {
"command": "npx",
"args": [
"-y",
"carbone-mcp"
],
"env": {
"CARBONE_API_KEY": "YOUR_CARBONE_API_KEY_HERE"
}
}
}
}