Nigeria Postcode

io.github.Adeniyikayodee/ng-postcodev0.6.3Other

Validate, look up and resolve addresses to Nigeria's NIPOST digital postcodes (NDAPS).

The current version, v0.6.3, was published to the official MCP registry on 2026-10-16. It is distributed as ng-postcode-mcp on npm and as ng-postcode-mcp on PyPI, filed under Other by this index, and declares 11 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using Nigeria Postcode in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire

Auditable install path →Watch it hold a drift →

Trust verdict · v1 advisory · method

REVIEWstatus: PARTIALfresh until 2026-11-03 00:01 UTC

screened 2026-10-04tier: scannedgranularity: description-levelsource: registry

Semantic screen found no manipulation pattern in the description. Conformance probe not yet run.

mcpindex.integrity.descriptionpassINFO

evidence“Normal address lookup capability”via static_description

Limits of this verdict

- Semantic screen only - the deterministic conformance probe has not run on this server
- Confidence is reported but not yet calibrated (v1)
- Screen reads the tool description, not the live behavior
- advisory
- registry description only no input schema
- screen model 8b
- The registry listing (version, packages, links) changed after this screen ran - the description we assessed did not

Semantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.

Own this server? Test a description on the public screen → It is a separate check from the verdict above, so the two can differ.

That verdict was true at screening time (snapshot 2026-10-20).

Contracts can change after screening, with no version bump. The gate pins Nigeria Postcode’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Cite this record

People vet a server before wiring it in. One line on your project site or docs answers that with an independent record: screening verdict, registry provenance, contract drift history. It stays current as new screens and drift events land.

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A live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.

Markdown

[![mcpindex](https://mcpindex.ai/api/v1/badge/io-github-adeniyikayodee-ng-postcode)](https://mcpindex.ai/server/io-github-adeniyikayodee-ng-postcode)

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Environment variables

NG_POSTCODE_API_KEY

secret

NIPOST Postcode API key from dashboard.postcode.gov.ng. Validation works without it.

NG_POSTCODE_MAX_LEVEL

Highest lookup level tools may request. Levels 2 and up consume NIPOST credits.

NG_POSTCODE_MAX_PAID_CALLS

How many paid lookups one run of the server may make with its own key.

NG_POSTCODE_BASE_URL

Alternative API host, such as a staging stack.

NG_GEOCODER_URL

Nominatim server used by resolve_address to place described addresses. Ideally your own instance.

NG_GEOCODER_CONTACT

URL or email identifying you to the geocoder. Required for the public Nominatim.

NG_POSTCODE_TRANSPORT

stdio (default), or http to serve streamable HTTP at /mcp on NG_POSTCODE_HOST and NG_POSTCODE_PORT.

NG_POSTCODE_HOST

Address the HTTP transport listens on.

NG_POSTCODE_PORT

Port the HTTP transport listens on.

NG_POSTCODE_ALLOW_SHARED_KEY

Set to 1 to let the HTTP transport start with a server key on a public address.

NG_POSTCODE_ALLOWED_HOSTS

Host names the HTTP transport answers to, separated by commas. Required with a server key on a public address.

NG_POSTCODE_API_KEY

secret

NIPOST Postcode API key from dashboard.postcode.gov.ng. Validation works without it.

NG_POSTCODE_MAX_LEVEL

Highest lookup level tools may request. Levels 2 and up consume NIPOST credits.

NG_POSTCODE_MAX_PAID_CALLS

How many paid lookups one run of the server may make with its own key.

NG_POSTCODE_BASE_URL

Alternative API host, such as a staging stack.

MCP quality score · maturity, not trust · methodology

freshness

completeness

installability

documentation

stability

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Install this server

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "ng-postcode": {
      "command": "npx",
      "args": [
        "-y",
        "--",
        "ng-postcode-mcp"
      ],
      "env": {
        "NG_POSTCODE_API_KEY": "<your-ng_postcode_api_key>",
        "NG_POSTCODE_MAX_LEVEL": "1",
        "NG_POSTCODE_MAX_PAID_CALLS": "25",
        "NG_POSTCODE_BASE_URL": "https://api.postcode.gov.ng",
        "NG_GEOCODER_URL": "<ng_geocoder_url>",
        "NG_GEOCODER_CONTACT": "<ng_geocoder_contact>",
        "NG_POSTCODE_TRANSPORT": "stdio",
        "NG_POSTCODE_HOST": "127.0.0.1",
        "NG_POSTCODE_PORT": "8000",
        "NG_POSTCODE_ALLOW_SHARED_KEY": "<ng_postcode_allow_shared_key>",
        "NG_POSTCODE_ALLOWED_HOSTS": "<ng_postcode_allowed_hosts>"
      }
    }
  }
}

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "ng-postcode": {
      "command": "npx",
      "args": [
        "-y",
        "--",
        "ng-postcode-mcp"
      ],
      "env": {
        "NG_POSTCODE_API_KEY": "<your-ng_postcode_api_key>",
        "NG_POSTCODE_MAX_LEVEL": "1",
        "NG_POSTCODE_MAX_PAID_CALLS": "25",
        "NG_POSTCODE_BASE_URL": "https://api.postcode.gov.ng",
        "NG_GEOCODER_URL": "<ng_geocoder_url>",
        "NG_GEOCODER_CONTACT": "<ng_geocoder_contact>",
        "NG_POSTCODE_TRANSPORT": "stdio",
        "NG_POSTCODE_HOST": "127.0.0.1",
        "NG_POSTCODE_PORT": "8000",
        "NG_POSTCODE_ALLOW_SHARED_KEY": "<ng_postcode_allow_shared_key>",
        "NG_POSTCODE_ALLOWED_HOSTS": "<ng_postcode_allowed_hosts>"
      }
    }
  }
}

Cline (cline_mcp_settings.json)

npx -y -- ng-postcode-mcp

Claude Code (claude mcp add)

claude mcp add --scope user ng-postcode -- npx -y -- ng-postcode-mcp

Gemini CLI (gemini mcp add)

gemini mcp add -s user ng-postcode npx -y -- ng-postcode-mcp

Claude Desktop (uvx)

{
  "mcpServers": {
    "ng-postcode": {
      "command": "uvx",
      "args": [
        "--",
        "ng-postcode-mcp"
      ],
      "env": {
        "NG_POSTCODE_API_KEY": "<your-ng_postcode_api_key>",
        "NG_POSTCODE_MAX_LEVEL": "1",
        "NG_POSTCODE_MAX_PAID_CALLS": "25",
        "NG_POSTCODE_BASE_URL": "https://api.postcode.gov.ng",
        "NG_GEOCODER_URL": "<ng_geocoder_url>",
        "NG_GEOCODER_CONTACT": "<ng_geocoder_contact>",
        "NG_POSTCODE_TRANSPORT": "stdio",
        "NG_POSTCODE_HOST": "127.0.0.1",
        "NG_POSTCODE_PORT": "8000",
        "NG_POSTCODE_ALLOW_SHARED_KEY": "<ng_postcode_allow_shared_key>",
        "NG_POSTCODE_ALLOWED_HOSTS": "<ng_postcode_allowed_hosts>"
      }
    }
  }
}

Verdict API

curl -s mcpindex.ai/api/v1/trust/server/io-github-adeniyikayodee-ng-postcode

Free-tier verdict as JSON: decision + dimensions + severity. Call it from your agent before it invokes a tool it just discovered.

Details

version: v0.6.3
category: Other
verdict expires: 2026-11-03
quality: 85 / 100
operator: Adeniyikayodee

Listing

Listed from the official MCP registry. Unclaimed by its maintainer. Maintainer? Email us →

Provenance

Each verdict is bound to a hash of the exact description it judged, so a re-crawl that changes the text produces a new record rather than silently inheriting this one. Verdict history is hash-chained and anchored to Bitcoin via OpenTimestamps (latest confirmed at block 972,264). Verify it yourself.

Links

Repository →