# Hybrid Recursive Ladder (pypi · hybrid-recursive-ladder-mcp)

Aggregate long time-series ranges with a few source requests instead of one per bucket.

- Trust score: 64/100 (medium)
- Change this week: +15
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-04

## Components

- pypi · `hybrid-recursive-ladder-mcp`: 64/100 (this document), [markdown](https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp.md), [page](https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp)

## Channel facts

- Registry: `pypi`
- Package: `hybrid-recursive-ladder-mcp`
- Version: `0.0.6`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-11-04.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - Runs hatchling.build at install time, a recognised build step with no custom scripting around it.
  - 0 of 2 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 8 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 52/100
  - AI-judged instruction clarity (fair).
  - Tool/resource definitions use about 317 tokens (~79/item across 4 items; 4 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **Tool Coverage**: 71/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% of tool parameters carry a description.
  - Structured output schemas are declared (100% of tools); any adoption earns full credit.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a current MCP spec version (2026-07-28).

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### How do I install the Hybrid Recursive Ladder MCP server?

Hybrid Recursive Ladder runs locally as a PyPI package, launched with uvx hybrid-recursive-ladder-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add magicsquarekey-hybrid-recursive-ladder -- uvx hybrid-recursive-ladder-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "magicsquarekey-hybrid-recursive-ladder": {
      "command": "uvx",
      "args": [
        "hybrid-recursive-ladder-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "magicsquarekey-hybrid-recursive-ladder": {
      "command": "uvx",
      "args": [
        "hybrid-recursive-ladder-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add magicsquarekey-hybrid-recursive-ladder -- uvx hybrid-recursive-ladder-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "magicsquarekey-hybrid-recursive-ladder": {
      "type": "local",
      "command": [
        "uvx",
        "hybrid-recursive-ladder-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add magicsquarekey-hybrid-recursive-ladder --command uvx --arg hybrid-recursive-ladder-mcp
```

### Hermes

```yaml
mcp_servers:
  magicsquarekey-hybrid-recursive-ladder:
    command: "uvx"
    args: ["hybrid-recursive-ladder-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "magicsquarekey-hybrid-recursive-ladder": {
      "Transport": "stdio",
      "Command": "uvx",
      "Arguments": [
        "hybrid-recursive-ladder-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add magicsquarekey-hybrid-recursive-ladder -t stdio -c uvx -a hybrid-recursive-ladder-mcp
```

### Other

```json
{
  "mcpServers": {
    "magicsquarekey-hybrid-recursive-ladder": {
      "command": "uvx",
      "args": [
        "hybrid-recursive-ladder-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-10-30 (score 64, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-10-27 (score 49)

First indexed and scored.

## MCP tools (4)

### `ladder_meta` (~20 tokens)

Ladder metadata

Return version, configuration, source/store type and demo range.

### `ladder_decompose` (~79 tokens)

Decompose a time range

Decompose [start, end) into month/day/hour/minute ladder segments.

Times accept ISO-8601 (``2026-01-01T00:00:00``) or epoch milliseconds.

Input parameters:

- `end` (string, required)
- `finest` (string)
- `start` (string, required)
- `timezone` (string)

### `ladder_sum` (~135 tokens)

Sum time series

Sum time series over a range.

\``series`` items use ``{"entity": "...", "key": "...", "name": "..."}``
(``device_id``/``device_name`` are accepted as aliases).  ``mode`` is
\``tb`` (source only), ``mixed`` (local first) or ``local`` (offline).
With no series, the built-in demo series are used.

Input parameters:

- `end` (string, required)
- `finest` (string)
- `materialize` (boolean)
- `mode` (string)
- `series` (array, required)
- `start` (string, required)

### `ladder_verify` (~83 tokens)

Verify against source

Compare the authoritative source with the local store.

Returns per-segment differences and, for the first ``drill_limit``
differing segments, point-level added/removed/changed counts.

Input parameters:

- `drill_limit` (integer)
- `end` (string, required)
- `finest` (string)
- `series` (array, required)
- `start` (string, required)

## Diagnostics

Captured diagnostic sections: Provenance, Install scripts, Dependencies. The full working is on the page: https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp#diagnostics

## Score history

- 2026-11-04: 64
- 2026-11-03: 64
- 2026-11-02: 64
- 2026-11-01: 64
- 2026-10-31: 64
- 2026-10-30: 64
- 2026-10-29: 49
- 2026-10-28: 49
- 2026-10-27: 49

## Common questions

### What is the Hybrid Recursive Ladder MCP server?

Hybrid Recursive Ladder is an MCP server listed in the public MCP registry as io.github.MagicSquarekey/hybrid-recursive-ladder. Aggregate long time-series ranges with a few source requests instead of one per bucket. This page covers its PyPI package (hybrid-recursive-ladder-mcp).

### Is the Hybrid Recursive Ladder MCP server safe to use?

Hybrid Recursive Ladder scores 64 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 4 November 2026. 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 Hybrid Recursive Ladder MCP server expose?

Hybrid Recursive Ladder exposes 4 tools: ladder_meta, ladder_decompose, ladder_sum, ladder_verify. Their descriptions and schemas cost roughly 317 tokens of context every time the server is loaded.

### Is the Hybrid Recursive Ladder MCP server still maintained?

Hybrid Recursive Ladder is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the Hybrid Recursive Ladder MCP server under?

Hybrid Recursive Ladder declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- PyPI project: https://pypi.org/project/hybrid-recursive-ladder-mcp/
- Socket report: https://socket.dev/pypi/package/hybrid-recursive-ladder-mcp
- Repository: https://github.com/MagicSquarekey/hybrid_recursive_ladder_algorithm
- Website: https://magicsquarekey.github.io/hybrid_recursive_ladder_algorithm/
- Changelog RSS feed: https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp.json
- HTML version of this page: https://verifymcp.io/servers/magicsquarekey-hybrid-recursive-ladder/hybrid-recursive-ladder-mcp