# mcp-mexico (pypi · mcp-mexico)

Official Mexican public data for AI agents: Banxico rates, INEGI inflation, UMA and ISR tables.

- Trust score: 59/100 (low)
- Change this week: −12
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- pypi · `mcp-mexico`: 59/100 (this document), [markdown](https://verifymcp.io/servers/diegotepichin-mcp-mexico/mcp-mexico.md), [page](https://verifymcp.io/servers/diegotepichin-mcp-mexico/mcp-mexico)

## Channel facts

- Registry: `pypi`
- Package: `mcp-mexico`
- Version: `0.1.3`
- 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 2026-11-05.

- **Supply Chain Security**: 50/100
  - Malware scan not yet available for this package.
  - 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.
  - 1 of 32 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 14 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 68/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 752 tokens (~94/item across 8 items; 8 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 50/100
  - Stability observed for 15 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 75/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 13% 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 8 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 9 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).

## Install

### How do I install the mcp-mexico server?

mcp-mexico runs locally as a PyPI package, launched with uvx mcp-mexico. 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 diegotepichin-mcp-mexico -- uvx mcp-mexico
```

### Cursor

```json
{
  "mcpServers": {
    "diegotepichin-mcp-mexico": {
      "command": "uvx",
      "args": [
        "mcp-mexico"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "diegotepichin-mcp-mexico": {
      "command": "uvx",
      "args": [
        "mcp-mexico"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add diegotepichin-mcp-mexico -- uvx mcp-mexico
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add diegotepichin-mcp-mexico --command uvx --arg mcp-mexico
```

### Hermes

```yaml
mcp_servers:
  diegotepichin-mcp-mexico:
    command: "uvx"
    args: ["mcp-mexico"]
```

### Netclaw

```json
{
  "McpServers": {
    "diegotepichin-mcp-mexico": {
      "Transport": "stdio",
      "Command": "uvx",
      "Arguments": [
        "mcp-mexico"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add diegotepichin-mcp-mexico -t stdio -c uvx -a mcp-mexico
```

### Other

```json
{
  "mcpServers": {
    "diegotepichin-mcp-mexico": {
      "command": "uvx",
      "args": [
        "mcp-mexico"
      ]
    }
  }
}
```

## 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.

### 2026-11-04 (score 59, +1)

No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-03 (score 58, −15)

- [security regression] Malware scan: pass → unverified

### 2026-11-02 (score 73, +1)

No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-31 (score 72, +1)

No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-30 (score 71, 0)

- [security regression] Provenance: unverified → fail
- [functional regression] Security disclosure: unverified → fail

### 2026-10-29 (score 71, +1)

- [security regression] Provenance: fail → unverified
- [functional regression] Security disclosure: fail → unverified

### 2026-10-26 (score 70, +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.

### 2026-10-24 (score 69, +16)

- [security improvement] Malware scan: unverified → pass

## MCP tools (8)

### `get_uma` (~80 tokens)

UMA (Unidad de Medida y Actualización)

Get the official UMA (Unidad de Medida y Actualización) in Mexican pesos.

Returns the daily, monthly and annual values, the validity period and the
official source. Without `year`, returns the UMA in force today. Each year's
UMA takes effect on February 1, so in January the previous year's value applies.

Input parameters:

- `year`

Output parameters:

- `annual` (number)
- `daily` (number)
- `monthly` (number)
- `source`
- `valid_from` (string)
- `valid_until`
- `year` (integer)

### `get_isr_table` (~122 tokens)

ISR rate table (personas físicas)

Get the official ISR rate table for individuals (personas físicas) in Mexican pesos.

\`monthly` is the Art. 96 table used for monthly withholdings and provisional
payments on wages; `annual` is the Art. 152 table used for the annual tax return.
Without `year`, returns the current year's table. To compute the tax, find the
bracket containing the taxable income, then: fixed_fee + (income - lower_limit)
\* rate_percent / 100.

Input parameters:

- `period` (string)
- `year`

Output parameters:

- `brackets` (array)
- `legal_basis` (string)
- `period` (string)
- `source`
- `year` (integer)

### `get_fix_rate` (~80 tokens)

FIX exchange rate

Get the FIX USD/MXN exchange rate published by Banco de México.

Without `date`, returns the latest FIX. With `date`, returns the FIX for that
day; on weekends and holidays there is no FIX, so it returns the most recent
one before that day. Check the `date` field of the result.

Input parameters:

- `date`

Output parameters:

- `date` (string)
- `description` (string)
- `indicator` (string)
- `source`
- `unit` (string)
- `value` (number)

### `get_fix_rate_range` (~51 tokens)

FIX exchange rate series

Get the daily FIX USD/MXN exchange rate between two dates (inclusive, max 366 days).

Only business days have a value.

Input parameters:

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

Output parameters:

- `description` (string)
- `end` (string)
- `indicator` (string)
- `observations` (array)
- `source`
- `start` (string)
- `unit` (string)

### `get_interest_rate` (~132 tokens)

Interest rate

Get a key Mexican interest rate from Banco de México, in percent per year.

Rates: `target` (Banxico policy rate), `tiie_28` (28-day TIIE), `tiie_funding`
(overnight TIIE de Fondeo) and `cetes_28` (28-day CETES, weekly auction).
Without `date`, returns the latest value. With `date`, returns the value for
that day or the most recent one before it. Check the `date` field of the result.

Input parameters:

- `date`
- `rate` (string, required)

Output parameters:

- `date` (string)
- `description` (string)
- `indicator` (string)
- `source`
- `unit` (string)
- `value` (number)

### `get_interest_rate_range` (~83 tokens)

Interest rate series

Get a key Mexican interest rate between two dates (inclusive, max 366 days).

Rates: `target`, `tiie_28`, `tiie_funding` and `cetes_28` (weekly). Values are
in percent per year.

Input parameters:

- `end` (string, required)
- `rate` (string, required)
- `start` (string, required)

Output parameters:

- `description` (string)
- `end` (string)
- `indicator` (string)
- `observations` (array)
- `source`
- `start` (string)
- `unit` (string)

### `get_inflation` (~77 tokens)

Inflation (INPC)

Get Mexican consumer price inflation (INPC, INEGI) for a month.

Returns the INPC index plus monthly, annual and year-to-date inflation in
percent. Without `year` and `month`, returns the latest published month.
Pass both to get a specific month.

Input parameters:

- `month`
- `year`

Output parameters:

- `annual_inflation_percent`: Change vs the same month of the previous year. None when not available.
- `inpc` (number): INPC general index, 2nd fortnight of July 2018 = 100.
- `monthly_inflation_percent`: Change vs the previous month. None when that month is not available.
- `period` (string): Month as YYYY-MM.
- `source`
- `year_to_date_inflation_percent`: Change vs December of the previous year. None when not available.

### `get_inflation_range` (~104 tokens)

Inflation series (INPC)

Get Mexican consumer price inflation (INPC, INEGI) for each month in a range.

\`start` and `end` are inclusive, as YYYY-MM, at most 240 months apart.
The returned `start` and `end` are the first and last months with data,
which can be earlier than requested when the latest INPC is not yet published.

Input parameters:

- `end` (string, required): YYYY-MM
- `start` (string, required): YYYY-MM

Output parameters:

- `end` (string)
- `periods` (array)
- `source`
- `start` (string)

## Diagnostics

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

## Score history

- 2026-11-05: 59
- 2026-11-04: 59
- 2026-11-03: 58
- 2026-11-02: 73
- 2026-11-01: 72
- 2026-10-31: 72
- 2026-10-30: 71
- 2026-10-29: 71
- 2026-10-28: 70
- 2026-10-27: 70
- 2026-10-26: 70
- 2026-10-25: 69
- 2026-10-24: 69
- 2026-10-23: 53
- 2026-10-22: 53
- 2026-10-21: 67

## Common questions

### What is the mcp-mexico server?

mcp-mexico is listed in the public MCP registry as io.github.DiegoTepichin/mcp-mexico. Official Mexican public data for AI agents: Banxico rates, INEGI inflation, UMA and ISR tables. This page covers its PyPI package (mcp-mexico).

### Is the mcp-mexico server safe to use?

mcp-mexico scores 59 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 5 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 mcp-mexico server expose?

mcp-mexico exposes 8 tools: get_uma, get_isr_table, get_fix_rate, get_fix_rate_range, get_interest_rate, and 3 more. Their descriptions and schemas cost roughly 729 tokens of context every time the server is loaded.

### Is the mcp-mexico server still maintained?

mcp-mexico is still listed as active in the MCP registry. We last reached this channel on 5 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 mcp-mexico server under?

mcp-mexico 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/mcp-mexico/
- Socket report: https://socket.dev/pypi/package/mcp-mexico
- Repository: https://github.com/DiegoTepichin/mcp-mexico
- Changelog RSS feed: https://verifymcp.io/servers/diegotepichin-mcp-mexico/mcp-mexico.xml
- Changelog JSON feed: https://verifymcp.io/servers/diegotepichin-mcp-mexico/mcp-mexico.json
- HTML version of this page: https://verifymcp.io/servers/diegotepichin-mcp-mexico/mcp-mexico