Flanner vs GroundTruth MCP
A side-by-side look at the Flanner and GroundTruth MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
F
FlannerDeveloper Tools · Local subprocess (stdio)Keeps AI coding agents' plan and design markdown managed and versioned, for Claude Code and Codex.41FairAuth: not declaredVerdict: choose Flanner for developer tools work as a local process; choose GroundTruth MCP for developer tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
FChoose Flanner when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
Choose GroundTruth MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
GT_GITHUB_TOKEN.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | F Flanner | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 41/100 · Fair | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | GT_GITHUB_TOKEN |
Tools & capabilities
Flanner tools
No tool names declared yet. Check the project README from the listing page.
GroundTruth MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste 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.
Flanner
{
"mcpServers": {
"flanner": {
"command": "uvx",
"args": [
"flanner"
]
}
}
}
GroundTruth MCP
{
"mcpServers": {
"rm-rf-prod-groundtruth-mcp": {
"command": "npx",
"args": [
"-y",
"@groundtruth-mcp/gt-mcp@latest"
],
"env": {
"GT_GITHUB_TOKEN": "YOUR_GT_GITHUB_TOKEN_HERE"
}
}
}
}
Frequently asked questions
Flanner is categorized under Developer Tools and uses a local stdio subprocess. GroundTruth MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Flanner for developer tools work and GroundTruth MCP for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Flanner has no declared pricing — check the project's own site. GroundTruth MCP is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add flanner and rm-rf-prod-groundtruth-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Flanner has a quality signal of 41/100 (Fair) with 0 views, 0 installs and 5 GitHub stars. GroundTruth MCP has 56/100 (Good) with 3 views, 0 installs and 6 GitHub stars.