Dataset Filter & Transform
REMOTE · DATASET-FILTER-TRANSFORM.NEROLABS.WORKERS.DEV · SCANNED SEP 20
Clean, filter and reshape JSON rows in one call: 26 transforms, 25 filters, sort, dedupe, limit.
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 Security46
- 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 2 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 enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement. View diagnostics → Unverified
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- 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 Usability65
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 555 tokens (~277/item across 2 items; 2 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 Management23
- Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
- Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
How do I install the Dataset Filter & Transform MCP server?
Dataset Filter & Transform is a hosted endpoint at https://dataset-filter-transform.nerolabs.workers.dev/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 · dataset-filter-transform.nerolabs.workers.dev
claude mcp add --transport http nero-engine-dataset-filter-transform 'https://dataset-filter-transform.nerolabs.workers.dev/mcp'
{
"mcpServers": {
"nero-engine-dataset-filter-transform": {
"url": "https://dataset-filter-transform.nerolabs.workers.dev/mcp"
}
}
} {
"servers": {
"nero-engine-dataset-filter-transform": {
"type": "http",
"url": "https://dataset-filter-transform.nerolabs.workers.dev/mcp"
}
}
} [mcp_servers.nero-engine-dataset-filter-transform] url = "https://dataset-filter-transform.nerolabs.workers.dev/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"nero-engine-dataset-filter-transform": {
"type": "remote",
"url": "https://dataset-filter-transform.nerolabs.workers.dev/mcp",
"enabled": true
}
}
} openclaw mcp add nero-engine-dataset-filter-transform --url 'https://dataset-filter-transform.nerolabs.workers.dev/mcp' --transport streamable-http
mcp_servers:
nero-engine-dataset-filter-transform:
url: "https://dataset-filter-transform.nerolabs.workers.dev/mcp" {
"McpServers": {
"nero-engine-dataset-filter-transform": {
"Transport": "http",
"Url": "https://dataset-filter-transform.nerolabs.workers.dev/mcp"
}
}
} assistant mcp add nero-engine-dataset-filter-transform -t streamable-http -u 'https://dataset-filter-transform.nerolabs.workers.dev/mcp'
{
"mcpServers": {
"nero-engine-dataset-filter-transform": {
"type": "http",
"url": "https://dataset-filter-transform.nerolabs.workers.dev/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.
- 20 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.
- 18 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes.
- 16 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 14 Sept 26 0
- Stability: unverified → 0.03 ▲ functional
- 13 Sept 26 57
First indexed and scored.
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 20 Sept 2026 · Probed https://dataset-filter-transform.nerolabs.workers.dev/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=nerolabs.workers.dev | CN=YE2,O=Let's Encrypt,C=US | 12 Sept 2026 | 11 Dec 2026 | ECDSA 256 | ECDSA-SHA384 | 6f7f02a43942bb2aca3c411aec703cf0dc1 |
| SANs: *.nerolabs.workers.dev, nerolabs.workers.dev | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of dataset-filter-transform.nerolabs.workers.dev. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| dev. | present | 60074 | 8 | Verified |
| workers.dev. | 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 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://dataset-filter-transform.nerolabs.workers.dev/mcp | Verified | 200 | |
| http (plaintext) | http://dataset-filter-transform.nerolabs.workers.dev/mcp | Inconclusive | 405 |
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 →
list_capabilities ~51
Returns every filter operator and transform operation this server supports, the order the pipeline runs in, and the maximum rows per call. Call this first if you are unsure what is available. Free, processes no data.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
process_rows ~473
Cleans a list of JSON rows in one call: transforms each row, filters out the rows you do not want, then optionally sorts, de-duplicates and limits them. Returns the kept rows plus a summary of exactly what was removed and why. Use it to reshape scraped or API data before passing it on: rename and drop fields, cast strings to numbers, compute new fields with arithmetic, extract with regex, then keep only the rows that match your rules. Transforms run before filters, so you can filter on a field you just created.
| Name | Type | Req | Description |
|---|---|---|---|
| caseSensitiveFilters | boolean | – | Text comparisons are case-insensitive by default. Set true to make them exact. |
| distinctBy | array | – | Keep only the first row for each combination of these fields. Applied after sorting, so sorting first lets you keep the newest row per key. |
| filterCombineMode | string | – | Whether a row must match every filter (AND, the default) or any one of them (OR). |
| filters | array | – | Conditions a row must satisfy to be kept, for example {"field":"country","operator":"equals","value":"UK"} or {"field":"price","operator":"greaterThan","value":100}. Dot paths like "address.city" wor… |
| lenientNumbers | boolean | – | On by default: values like "$1,234.50", "49 USD" and "12%" are read as numbers. Set false to require real numeric values. |
| limit | integer | – | Return at most this many rows. |
| offset | integer | – | Skip this many rows after filtering and sorting. |
| rows | array | yes | The rows to process. Each row is a JSON object. Keys may differ between rows. |
| sortBy | array | – | Sort the kept rows, for example [{"field":"price","direction":"desc"}]. |
| transforms | array | – | Transform steps applied to every row, in order. Each step is an object with an "op" key, for example {"op":"cast","field":"price","to":"number"} or {"op":"compute","field":"total","expression":"price… |
No output schema declared.
No examples provided.
What is the Dataset Filter & Transform MCP server?
Dataset Filter & Transform is an MCP server listed in the public MCP registry as io.github.Nero-Engine/dataset-filter-transform. Clean, filter and reshape JSON rows in one call: 26 transforms, 25 filters, sort, dedupe, limit. This page covers its hosted endpoint (https://dataset-filter-transform.nerolabs.workers.dev/mcp).
Is the Dataset Filter & Transform MCP server safe to use?
Dataset Filter & Transform scores 60 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 Dataset Filter & Transform MCP server expose?
Dataset Filter & Transform exposes 2 tools: list_capabilities, process_rows. Their descriptions and schemas cost roughly 524 tokens of context every time the server is loaded.
Does the Dataset Filter & Transform MCP server require authentication?
No. We connected to Dataset Filter & Transform without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Dataset Filter & Transform MCP server still maintained?
Dataset Filter & Transform is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.