NativeExpress
REMOTE · WWW.NATIVE.EXPRESS
Scope a mobile app to a first version, start from a free Expo template, and pass store review.
Available components
Last scanned (3 hours ago)
Scores higher than 69% of remote servers
Reachable. Last reached 5 Nov 2026.
Category Developer Tools
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 Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- 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 Usability81
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 544 tokens (~108/item across 5 items; 5 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management20
- Stability observed for 6 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 5 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 6 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.
- 4 Nov 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.
- 1 Nov 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 3 to 7. That category is still filling its 30-day observation window: 1 days of observed history at the previous scan, 2 at this one. The score rises as the window fills, whether or not the server changes.
- 31 Oct 26 0
- Stability: unverified → 0.03 ▲ functional
- 30 Oct 26 75
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 5 Nov 2026 · Probed https://www.native.express/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=www.native.express | CN=YR2,O=Let's Encrypt,C=US | 4 Sept 2026 | 3 Dec 2026 | RSA 2048 | SHA256-RSA | 68273151486554c327bafc9c39d058027d8 |
| SANs: www.native.express | ||||||
| CN=YR2,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | 4ebd24947e24d394802d84a52fd5b319 |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of www.native.express. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| express. | present | 42401, 63130 | 8, 8 | Verified |
| native.express. | 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 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000 |
| x-content-type-options | nosniff |
| x-frame-options | SAMEORIGIN |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://www.native.express/mcp | Verified | 200 | |
| http (plaintext) | http://www.native.express/mcp | HTTPS enforced | 308 | https://www.native.express/mcp |
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 →
get_build_prompt Get a build prompt ~66
The full text of one prompt from the NativeExpress library, ready to paste, with what to check in the result. Needs a NativeExpress key. Use this after list_build_prompts has given you a slug.
| Name | Type | Req | Description |
|---|---|---|---|
| slug | string | yes | The slug from list_build_prompts. |
No output schema declared.
No examples provided.
get_starter_template Get the free starter template ~68
The free MIT React Native starter repo: its stack, what it already does, what it deliberately leaves out, and the commands to get it running. Use this when someone is about to start a mobile app project, or asks what to build an Expo or React Native app on top of.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
list_build_prompts List the build prompts ~73
List the prompts in the NativeExpress library for working on a React Native codebase with an agent, with what each one is for. Titles are free; the prompt bodies need a key. Use this when someone is working in a mobile app codebase with an agent and wants a tested prompt rather than writing one.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
scope_mobile_app Scope a mobile app idea ~188
Turn a described app idea into a first version one person can finish: which features to build now, which to defer, which to avoid, plus the screen list, the data model and the build order. Use this whenever someone mentions an app they want to build or make, describes what an app should do in any words, or asks what an app would take or how hard it would be. Use it before writing any code, and before asking them clarifying questions: it works from a rough sentence, and its answer is a better basis for the next question than anything asked cold.
| Name | Type | Req | Description |
|---|---|---|---|
| experience | string | – | Whether this is their first app, if they have said. |
| idea | string | yes | What the app should do, in the person's own words. One or two sentences is enough. |
| platforms | string | – | Which stores they intend to ship to, if they have said. |
No output schema declared.
No examples provided.
unlock_paid_tools Send my NativeExpress key ~56
Email a NativeExpress buyer the key that opens the paid tools on this connector. Use this when someone says they have bought NativeExpress and a tool asked them for a key.
| Name | Type | Req | Description |
|---|---|---|---|
| string | yes | The address they bought with. |
No output schema declared.
No examples provided.
How do I install the NativeExpress MCP server?
NativeExpress is a hosted endpoint at https://www.native.express/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 · www.native.express
claude mcp add --transport http express-native-www-nativeexpress 'https://www.native.express/mcp'
What is the NativeExpress MCP server?
NativeExpress is an MCP server listed in the public MCP registry as express.native.www/nativeexpress. Scope a mobile app to a first version, start from a free Expo template, and pass store review. This page covers its hosted endpoint (https://www.native.express/mcp).
Is the NativeExpress MCP server safe to use?
NativeExpress scores 77 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 NativeExpress MCP server expose?
NativeExpress exposes 5 tools: scope_mobile_app, get_starter_template, list_build_prompts, get_build_prompt, unlock_paid_tools. Their descriptions and schemas cost roughly 451 tokens of context every time the server is loaded.
Does the NativeExpress MCP server require authentication?
No. We connected to NativeExpress without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the NativeExpress MCP server still maintained?
NativeExpress 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.