Nigeria Postcode
NPM · NG-POSTCODE-MCP · 2 COMPONENTS
Validate, look up and resolve addresses to Nigeria's NIPOST digital postcodes (NDAPS).
Available components
Last scanned (10 hours ago)
Scores higher than 90% of npm servers
Category Maps and Location
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. How we score → Why this is hard to score →
Supply Chain Security100
- No malware found by supply-chain analysis.Pass
- No known CVEs affecting this package version or its production dependencies.Pass
- No install/post-install scripts declared.Pass
- 0 of 4 dependencies flagged as unhealthy. View diagnostics → Pass
Provenance & Transparency97
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Cryptographically verified build provenance (signed, bound to Adeniyikayodee/ng-postcode). View diagnostics → Pass
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 4 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability74
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 389 tokens (~97/item across 4 items; 4 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management43
- Stability observed for 13 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
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 4 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 current MCP spec version (2026-07-28).Pass
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.
- 16 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.
- 14 Oct 26 +37
- Injection markers: unverified → pass ▲ security
- Schema quality: 108 → 97 ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Tool coverage: unverified → 100 ▲ functional
- Stability: unverified → 0.37 ▲ functional
- Schema quality: excellent → good functional
- Package version: 0.2.0 → 0.4.2 functional
- 12 Oct 26 −33
- Stability: 0.03 → unverified ▼ security
- Tool safety: pass → unverified ▼ security
- Capabilities: pass → unverified ▼ functional
- Tool coverage: 100 → unverified ▼ functional
- First check of Schema quality: unverified functional
- Package version: 0.2.0 → 0.4.2 functional
- Package version: 0.2.0 → 0.4.1 functional
- Package version: 0.2.0 → 0.4.0 functional
- 4 Oct 26 +26
- Malware scan: unverified → pass ▲ security
- Provenance: fail → pass ▲ security
- The attested source repository moved: Adeniyikayodee/ng-postcode security
- Stability: unverified → 0.03 ▲ functional
- Package version: 0.1.0 → 0.2.0 functional
- 3 Oct 26 56
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 16 Oct 2026 · Analysed npm/ng-postcode-mcp@0.4.2
Provenance Verified
A signed build attestation was found and verified, binding this exact artifact to the source repository it claims to come from.
| Result | Verified |
|---|---|
| Ecosystem | npm |
| Reason | Verified |
| Discovered via | Registry attestation endpoint |
| Source repo | Adeniyikayodee/ng-postcode |
| Certificate issuer | https://token.actions.githubusercontent.com |
| Certificate SAN | https://github.com/Adeniyikayodee/ng-postcode/.github/workflows/release-js-mcp.yml@refs/tags/js-mcp-v0.4.2 |
| Rekor log index | 3228022765 |
| Predicate type | SLSA build provenance https://slsa.dev/provenance/v1 |
| Subject digest | sha512:fe0a51336f5bd75646487c1445e653965f8a016e2a892e04b4956071c8ba2d470d6e1f4211ceafb06db753f29002876941263f0a3e5144dc95838b591 |
Background: How many MCP packages publish verified provenance →
Dependencies 4 packages
| Packages resolved | 4 |
|---|---|
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
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 →
autocomplete_postcode Autocomplete a Nigerian postcode ~43
Suggest completions for the next segment of a partly typed postcode.
| Name | Type | Req | Description |
|---|---|---|---|
| partial | string | yes | The start of a code, e.g. 'EK 01 A'. |
| Name | Type | Req | Description |
|---|---|---|---|
| segment | – | yes | The segment being completed. |
| suggestions | array | yes | – |
No examples provided.
find_postcode_at_location Find the postcode at a location ~99
Return the postcode of the nearest building to a coordinate in Nigeria. Names and the house address are withheld unless NG_POSTCODE_MAX_LEVEL is 2 or more.
| Name | Type | Req | Description |
|---|---|---|---|
| latitude | number | yes | Latitude in decimal degrees, e.g. 7.6211. |
| longitude | number | yes | Longitude in decimal degrees, e.g. 5.2214. |
| max_distance_m | – | – | Search radius in metres. Defaults to 25. |
| Name | Type | Req | Description |
|---|---|---|---|
| area | – | yes | Enclosing area code, e.g. EK-01-A03-FK. |
| depth | – | – | How deep the match goes, e.g. unit. |
| district | – | yes | – |
| found | boolean | yes | False when no building is within the radius. |
| message | – | yes | – |
| note | – | – | Why the answer may be incomplete, such as a test key. |
| radius_m | – | yes | The radius the API actually applied. |
| state | – | yes | – |
| unit | – | yes | – |
No examples provided.
lookup_postcode Look up a Nigerian postcode ~75
Confirm a postcode is assigned to a building. Free. For the address and building details, use lookup_postcode_details.
| Name | Type | Req | Description |
|---|---|---|---|
| level | integer | – | Always 1. Higher levels are lookup_postcode_details. |
| postcode | string | yes | Code in any style, e.g. EK-01-A03-FK-01. |
| Name | Type | Req | Description |
|---|---|---|---|
| administrative_address | – | yes | Level 2 and up. |
| building_use_status | – | yes | Level 3 and up, e.g. residential. |
| note | – | – | Why the answer may be incomplete, such as a test key. |
| other_building_info | – | – | Level 4 and up, unstructured. |
| point_geometry | – | – | Level 5, unstructured. |
| postcode | string | yes | – |
| recent_house_address | – | yes | Level 2 and up. Personal data. |
| status | – | – | valid, not_found, or invalid for a malformed code. |
| valid | boolean | yes | Whether the code is assigned to a building. |
| verified | – | – | – |
No examples provided.
validate_postcode Validate a Nigerian postcode ~70
Check a postcode's structure offline and return its canonical forms and segments. Free and instant. Does not confirm the code is assigned to a building; use lookup_postcode for that.
| Name | Type | Req | Description |
|---|---|---|---|
| postcode | string | yes | Code in any style, e.g. 'ek 01 a03 fk 01'. |
| Name | Type | Req | Description |
|---|---|---|---|
| compact | – | yes | Compact form for storage, e.g. EK01A03FK01. |
| error | – | yes | Why the code is malformed. |
| postcode | – | yes | Canonical form, e.g. EK-01-A03-FK-01. |
| segments | – | yes | – |
| spaced | – | yes | Form shown to people, e.g. EK 01 A03 FK 01. |
| suggestion | – | yes | A well-formed code if look-alike characters (O/0, I/1, S/5, B/8) were the only problem. Confirm it with the user before using it. |
| valid | boolean | yes | Whether the code is well formed. It may still be unassigned. |
No examples provided.
How do I install the Nigeria Postcode MCP server?
Nigeria Postcode runs locally as an npm package, launched with npx -y ng-postcode-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · ng-postcode-mcp
claude mcp add adeniyikayodee-ng-postcode -- npx -y ng-postcode-mcp
What is the Nigeria Postcode MCP server?
Nigeria Postcode is an MCP server listed in the public MCP registry as io.github.Adeniyikayodee/ng-postcode. Validate, look up and resolve addresses to Nigeria's NIPOST digital postcodes (NDAPS). This page covers its npm package (ng-postcode-mcp).
Is the Nigeria Postcode MCP server safe to use?
Nigeria Postcode scores 87 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 16 October 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. 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 Nigeria Postcode MCP server expose?
Nigeria Postcode exposes 4 tools: validate_postcode, lookup_postcode, autocomplete_postcode, find_postcode_at_location. Their descriptions and schemas cost roughly 287 tokens of context every time the server is loaded.
Is the Nigeria Postcode MCP server still maintained?
Nigeria Postcode is still listed as active in the MCP registry. We last reached this channel on 16 October 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 Nigeria Postcode MCP server under?
Nigeria Postcode declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.