Extrabold Tools Gridfinity
REMOTE · MCP.EXTRABOLD.TOOLS · SCANNED SEP 25
Find drawer presets and create printer-aware Gridfinity baseplate configurations.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 5 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability62
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (fair).Partial
- Context-footprint check failed: tool/resource definitions use about 1541 tokens (~308/item across 5 items; 5 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage73
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 19% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 5 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the Extrabold Tools Gridfinity MCP server?
Extrabold Tools Gridfinity is a hosted endpoint at https://mcp.extrabold.tools/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · mcp.extrabold.tools
claude mcp add --transport http tools-extrabold-gridfinity 'https://mcp.extrabold.tools/mcp'
{
"mcpServers": {
"tools-extrabold-gridfinity": {
"url": "https://mcp.extrabold.tools/mcp"
}
}
} {
"servers": {
"tools-extrabold-gridfinity": {
"type": "http",
"url": "https://mcp.extrabold.tools/mcp"
}
}
} [mcp_servers.tools-extrabold-gridfinity] url = "https://mcp.extrabold.tools/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"tools-extrabold-gridfinity": {
"type": "remote",
"url": "https://mcp.extrabold.tools/mcp",
"enabled": true
}
}
} openclaw mcp add tools-extrabold-gridfinity --url 'https://mcp.extrabold.tools/mcp' --transport streamable-http
mcp_servers:
tools-extrabold-gridfinity:
url: "https://mcp.extrabold.tools/mcp" {
"McpServers": {
"tools-extrabold-gridfinity": {
"Transport": "http",
"Url": "https://mcp.extrabold.tools/mcp"
}
}
} assistant mcp add tools-extrabold-gridfinity -t streamable-http -u 'https://mcp.extrabold.tools/mcp'
{
"mcpServers": {
"tools-extrabold-gridfinity": {
"type": "http",
"url": "https://mcp.extrabold.tools/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 25 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 4 Sept 26 0
- Stability: 0.97 → pass security
- 3 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.
- 1 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes.
- 30 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes.
- 28 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes.
- 26 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 13 Aug 26 0
- “create_gridfinity_baseplate_url” added an optional parameter “splitOffMargins” cosmetic
- “generate_gridfinity_drawer_baseplate” added an optional parameter “splitOffMargins” cosmetic
- “generate_gridfinity_grid” added an optional parameter “splitOffMargins” cosmetic
- “get_gridfinity_grid_questions” added an optional parameter “splitOffMargins” cosmetic
4 cosmetic changes on this day. Switch on “Show cosmetic changes” to see them.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 25 Sept 2026 · Probed https://mcp.extrabold.tools/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=mcp.extrabold.tools | CN=YR2,O=Let's Encrypt,C=US | 4 Sept 2026 | 3 Dec 2026 | RSA 2048 | SHA256-RSA | 671bd65b1b7c8fd576a75452aa85ed154bc |
| SANs: mcp.extrabold.tools | ||||||
| CN=YR2,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | 4ebd24947e24d394802d84a52fd5b319 |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of mcp.extrabold.tools. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| tools. | present | 13831 | 8 | Verified |
| extrabold.tools. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://mcp.extrabold.tools/mcp | Verified | 200 | |
| http (plaintext) | http://mcp.extrabold.tools/mcp | HTTPS enforced | 308 | https://mcp.extrabold.tools/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
create_gridfinity_baseplate_url Create Gridfinity Baseplate URL ~410
Create a shareable Extrabold Tools Gridfinity baseplate URL from exact baseplate settings. Use generate_gridfinity_grid when the user asks for a grid by rows and columns.
| Name | Type | Req | Description |
|---|---|---|---|
| advancedWarning | string | – | – |
| baseplateType | string | – | – |
| borderRadius | number | – | – |
| bottomChamfer | number | – | – |
| bottomPadding | number | – | – |
| containerPresetId | string | – | – |
| dimensions | object | – | – |
| edgeConnectorSides | object | – | – |
| enableEdgeConnectors | boolean | – | – |
| enablePlateNesting | boolean | – | – |
| gridAlignment | object | – | – |
| gridUnitDepth | number | – | – |
| gridUnitWidth | number | – | – |
| linkOrigin | string | – | Link origin tag added as the org query parameter for attribution. |
| magnetBaseHeight | number | – | – |
| magnetDiameter | number | – | – |
| magnetDirection | string | – | – |
| magnetHeight | number | – | – |
| magnetHoleStyle | string | – | – |
| marginType | string | – | – |
| outerBorderRadius | number | – | – |
| overrideMaxOuterBorderRadius | boolean | – | – |
| partsConnector | string | – | – |
| pieceSpacingMm | number | – | – |
| plateMarginMm | number | – | – |
| printer | object | – | – |
| removeHolesOnSplitLines | boolean | – | – |
| screwHeadSize | number | – | – |
| screwHoleSize | number | – | – |
| showAdvanced | boolean | – | – |
| sizingMode | string | – | – |
| splitOffMargins | boolean | – | – |
| splitStrategy | string | – | – |
| splitToBuildplates | boolean | – | – |
| toggleMagnetReleaseHole | boolean | – | – |
| toggleMagnets | boolean | – | – |
| toggleScrewHoles | boolean | – | – |
| tolerance | string | – | – |
| topCutoff | number | – | – |
| version | string | – | – |
No output schema declared.
No examples provided.
find_gridfinity_drawer_presets Find Gridfinity Drawer Presets ~84
Find usable Extrabold Tools drawer presets and exact Eurobox or KLT models by product name, brand, product line, dimensions, or article number.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| query | string | yes | Drawer, exact Eurobox, or exact KLT name; brand; product line; article number; dimensions; or other search text. |
No output schema declared.
No examples provided.
generate_gridfinity_drawer_baseplate Generate Gridfinity Drawer Baseplate ~348
Generate a Gridfinity baseplate sized to a known drawer preset. Supply measured drawer dimensions when available and the printer build volume; the tool automatically enables build-plate splitting when the baseplate does not fit.
| Name | Type | Req | Description |
|---|---|---|---|
| baseplateType | string | – | – |
| borderRadius | number | – | – |
| drawerPresetId | string | yes | Exact preset id returned by find_gridfinity_drawer_presets. |
| gridUnitDepth | number | – | – |
| gridUnitWidth | number | – | – |
| linkOrigin | string | – | – |
| magnetDiameter | number | – | – |
| magnetDirection | string | – | – |
| magnetHeight | number | – | – |
| magnetHoleStyle | string | – | – |
| marginType | string | – | – |
| measuredDimensions | object | – | Measured drawer interior dimensions in millimeters. These override the approximate preset dimensions. |
| partsConnector | string | – | – |
| plateMarginMm | number | – | – |
| printerBuildVolume | object | yes | The printer build volume used to decide whether this drawer-sized baseplate must be split. |
| removeHolesOnSplitLines | boolean | – | – |
| screwHeadSize | number | – | – |
| screwHoleSize | number | – | – |
| splitOffMargins | boolean | – | Create outer margins as separate strips while keeping corners attached to top or bottom strips. |
| splitStrategy | string | – | – |
| splitToBuildplates | boolean | – | Override the automatic printer-fit split decision. |
| toggleMagnetReleaseHole | boolean | – | – |
| toggleMagnets | boolean | – | – |
| toggleScrewHoles | boolean | – | – |
| tolerance | string | – | – |
| version | string | – | – |
No output schema declared.
No examples provided.
generate_gridfinity_grid Generate Gridfinity Grid ~449
Generate a Gridfinity baseplate grid by columns and rows, returning the calculated millimeter dimensions and a shareable Extrabold Tools URL.
| Name | Type | Req | Description |
|---|---|---|---|
| baseplateType | string | – | Baseplate style to generate. |
| borderRadius | number | – | – |
| columns | integer | yes | Number of Gridfinity columns across the width. |
| gridUnitDepth | number | – | Depth of one grid unit in millimeters. Standard Gridfinity uses 42. |
| gridUnitWidth | number | – | Width of one grid unit in millimeters. Standard Gridfinity uses 42. |
| linkOrigin | string | – | Link origin tag added as the org query parameter for attribution. |
| magnetDiameter | number | – | Diameter of the magnets in millimeters. |
| magnetDirection | string | – | Which side of the baseplate magnets are inserted from. |
| magnetHeight | number | – | Height or thickness of the magnets in millimeters. |
| magnetHoleStyle | string | – | Round holes are sized with the magnet diameter. Crush ribs use a wavy profile with flexible ribs that grip the magnet. |
| marginType | string | – | – |
| partsConnector | string | – | – |
| plateMarginMm | number | – | – |
| printerBuildVolume | object | – | – |
| removeHolesOnSplitLines | boolean | – | Remove screw holes that fall on split edges. |
| rows | integer | yes | Number of Gridfinity rows across the depth. |
| screwHeadSize | number | – | Diameter of the screw head in millimeters. |
| screwHoleSize | number | – | Diameter of the screw shaft in millimeters. |
| splitOffMargins | boolean | – | Create outer margins as separate strips while keeping corners attached to top or bottom strips. |
| splitStrategy | string | – | – |
| splitToBuildplates | boolean | – | Override automatic printer-fit splitting. When omitted with a printer build volume, splitting is enabled only when needed. |
| toggleMagnetReleaseHole | boolean | – | Add through-holes so magnets can be pushed back out from the opposite side. |
| toggleMagnets | boolean | – | – |
| toggleScrewHoles | boolean | – | – |
| tolerance | string | – | – |
| version | string | – | – |
No output schema declared.
No examples provided.
get_gridfinity_grid_questions Get Gridfinity Grid Questions ~250
Return the next Gridfinity baseplate configuration questions to ask, using Extrabold Tools setting descriptions and dependencies.
| Name | Type | Req | Description |
|---|---|---|---|
| baseplateType | string | – | – |
| borderRadius | number | – | – |
| columns | integer | – | – |
| gridUnitDepth | number | – | – |
| gridUnitWidth | number | – | – |
| linkOrigin | string | – | – |
| magnetDiameter | number | – | – |
| magnetDirection | string | – | – |
| magnetHeight | number | – | – |
| magnetHoleStyle | string | – | – |
| marginType | string | – | – |
| partsConnector | string | – | – |
| plateMarginMm | number | – | – |
| removeHolesOnSplitLines | boolean | – | – |
| rows | integer | – | – |
| screwHeadSize | number | – | – |
| screwHoleSize | number | – | – |
| splitOffMargins | boolean | – | – |
| splitStrategy | string | – | – |
| splitToBuildplates | boolean | – | – |
| toggleMagnetReleaseHole | boolean | – | – |
| toggleMagnets | boolean | – | – |
| toggleScrewHoles | boolean | – | – |
| tolerance | string | – | – |
| version | string | – | – |
No output schema declared.
No examples provided.
What is the Extrabold Tools Gridfinity MCP server?
Extrabold Tools Gridfinity is an MCP server listed in the public MCP registry as tools.extrabold/gridfinity. Find drawer presets and create printer-aware Gridfinity baseplate configurations. This page covers its hosted endpoint (https://mcp.extrabold.tools/mcp).
Is the Extrabold Tools Gridfinity MCP server safe to use?
Extrabold Tools Gridfinity scores 76 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Extrabold Tools Gridfinity MCP server expose?
Extrabold Tools Gridfinity exposes 5 tools: find_gridfinity_drawer_presets, generate_gridfinity_drawer_baseplate, get_gridfinity_grid_questions, generate_gridfinity_grid, create_gridfinity_baseplate_url. Their descriptions and schemas cost roughly 1,541 tokens of context every time the server is loaded.
Does the Extrabold Tools Gridfinity MCP server require authentication?
No. We connected to Extrabold Tools Gridfinity without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Extrabold Tools Gridfinity MCP server still maintained?
Extrabold Tools Gridfinity is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.