io.github.decantr-ai/mcp-server
NPM · @DECANTR/MCP-SERVER
Stable eight-tool MCP server for changed-UI assurance, authority-aware UI task context, and repair.
Available components
Last scanned (1 hour ago)
Scores higher than 97% of npm servers
Category Testing and QA
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 Security99
- 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
- 3 of 11 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency100
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Cryptographically verified build provenance (signed, bound to decantr-ai/decantr). View diagnostics → Pass
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 1 days ago).Pass
- Publishes a security disclosure policy (SECURITY.md).Pass
Schema Quality & AI Usability69
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 395 tokens (~49/item across 8 items; 8 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
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 8 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 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 +15
- Malware scan: unverified → pass ▲ security
- 3 Nov 26 −15
- Malware scan: pass → unverified ▼ security
- Package version: 3.11.4 → 3.11.5 functional
- 2 Nov 26 0
- Stability: 0.97 → pass security
- 1 Nov 26 0
- Stability: pass → 0.97 functional
- 28 Oct 26 0
- Stability: pass → unverified ▼ security
- Tool safety: pass → unverified ▼ security
- Capabilities: pass → unverified ▼ functional
- Tool coverage: 100 → unverified ▼ functional
- Package version: 3.11.2 → 3.11.4 functional
- 23 Oct 26 0
- Package version: 3.11.1 → 3.11.2 functional
- 20 Oct 26 0
- Stability: 0.97 → pass security
- 19 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.
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 · Analysed npm/@decantr/mcp-server@3.11.5
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 | decantr-ai/decantr |
| Certificate issuer | https://token.actions.githubusercontent.com |
| Certificate SAN | https://github.com/decantr-ai/decantr/.github/workflows/publish.yml@refs/heads/main |
| Rekor log index | 3681929063 |
| Predicate type | SLSA build provenance https://slsa.dev/provenance/v1 |
| Subject digest | sha512:a7d2cc7677552ca8e17b3c35141b4d8973fba4fdff3a7306d1335f93a659777c69c100e770fcb092967956d23e97aa89a91e857b6a07bd5f5df1abf8b |
Background: How many MCP packages publish verified provenance →
Dependencies 11 packages
| Packages resolved | 11 |
|---|---|
| Stale | 3 |
| 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 →
decantr_context Decantr Task Context ~55
Prepare discovery-backed UI surface task context, preserve authoritative route capsules, or read existing scaffold, section, page, and execution-pack context.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_contract Decantr Contract ~49
Read and validate the project-owned Decantr contract, inspect drift, or create a compatibility contract skeleton.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_contract_write Decantr Contract Write ~45
Explicit workspace-contained write surface for accepting drift or updating the Essence v4 contract.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_graph Decantr Evidence Graph ~47
Read, query, and traverse local graph and source evidence that supports route-scoped UI work.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_project Decantr Project Authority ~47
Observe local project authority, selected-app discovery, adoption truth, and workspace health without uploading source.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_registry Decantr Content Corpus (Compatibility) ~54
Legacy-named compatibility access to the official Decantr content corpus, benchmark metadata, and execution packs; not a public registry.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_repair Decantr Repair ~45
Turn typed verification findings into scoped repair plans, prompts, and health-loop guidance.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
decantr_verify Decantr Verify ~53
Verify local UI diffs with changed-UI assurance, or return deeper critique, findings, health state, and evidence bundles.
| Name | Type | Req | Description |
|---|---|---|---|
| action | string | yes | Select one of this compatibility-stable tool's existing actions. |
No output schema declared.
No examples provided.
How do I install the io.github.decantr-ai/mcp-server server?
io.github.decantr-ai/mcp-server runs locally as an npm package, launched with npx -y @decantr/mcp-server. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · @decantr/mcp-server
claude mcp add decantr-ai-mcp-server -- npx -y @decantr/mcp-server
What is the io.github.decantr-ai/mcp-server server?
io.github.decantr-ai/mcp-server is listed in the public MCP registry as io.github.decantr-ai/mcp-server. Stable eight-tool MCP server for changed-UI assurance, authority-aware UI task context, and repair. This page covers its npm package (@decantr/mcp-server).
Is the io.github.decantr-ai/mcp-server server safe to use?
io.github.decantr-ai/mcp-server scores 94 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 5 November 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 io.github.decantr-ai/mcp-server server expose?
io.github.decantr-ai/mcp-server exposes 8 tools: decantr_project, decantr_contract, decantr_context, decantr_graph, decantr_registry, and 3 more. Their descriptions and schemas cost roughly 395 tokens of context every time the server is loaded.
Is the io.github.decantr-ai/mcp-server server still maintained?
io.github.decantr-ai/mcp-server 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 io.github.decantr-ai/mcp-server server under?
io.github.decantr-ai/mcp-server declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.