io.github.15998194110/delta-witness
NPM · DELTA-WITNESS-MCP
Paid Capture and Guard tools for public-source observations before autonomous actions.
Available components
Last scanned (2 hours ago)
Scores higher than 91% of npm servers
Category Web Scraping
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
- 30 of 111 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency97
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Cryptographically verified build provenance (signed, bound to 15998194110/delta-witness). View diagnostics → Pass
- Clear OSI-approved license (Apache-2.0).Pass
- Actively maintained (last published 50 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability64
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 276 tokens (~69/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 Management80
- Stability observed for 24 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage67
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 0% of tool parameters carry a description.Fail
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 4 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.
- 5 Nov 26 −3
- Stability: pass → 0.80 functional
- 30 Oct 26 +3
- CVE-2023-54404 no longer affects this package ▲ security
- Known CVEs: fail → pass ▲ security
- Stability: 0.97 → pass security
- 29 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.
- 28 Oct 26 −1
- Stability: pass → 0.93 functional
- 24 Oct 26 −3
- CVE-2023-54404 affects this package: high ▼ security
- Known CVEs: pass → fail ▼ security
- 16 Oct 26 0
- Stability: 0.97 → pass security
- 15 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.
- 14 Oct 26 −1
- Stability: pass → 0.93 functional
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/delta-witness-mcp@0.7.1
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 | 15998194110/delta-witness |
| Certificate issuer | https://token.actions.githubusercontent.com |
| Certificate SAN | https://github.com/15998194110/delta-witness/.github/workflows/release-train.yml@refs/heads/master |
| Rekor log index | 2852427454 |
| Predicate type | SLSA build provenance https://slsa.dev/provenance/v1 |
| Subject digest | sha512:ff08a81c3143735ee1ab73c3897b4a415f005b7b24961cb455aed8f3a363f7e8d0631a9e3243bcf0a3962c47fa6e5f5135615b452136c5745a01b3cc9 |
Background: How many MCP packages publish verified provenance →
Dependencies 111 packages
| Packages resolved | 111 |
|---|---|
| Stale | 30 |
| 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 →
delta_capture Capture public source ~70
Capture costs 1 USDC. Requires the buyer's explicit DELTA_MAX_USD_PER_CALL approval of at least 1.00; pays exactly 1 USDC via x402. Preserves a public webpage and returns proof metadata and hashes; raw artifacts remain private.
| Name | Type | Req | Description |
|---|---|---|---|
| url | string | yes | – |
No output schema declared.
No examples provided.
delta_preflight Public Preflight ~143
Public Preflight costs 5 USDC. Requires the buyer's explicit DELTA_MAX_USD_PER_CALL approval of at least 5.00; pays exactly 5 USDC via x402. Compares public-source hashes/text before a consequential action. Safe means expectations matched, not that the source is true. This is not the 10 USDC Guarded-Action Pilot.
| Name | Type | Req | Description |
|---|---|---|---|
| contains | array | – | – |
| excludes | array | – | – |
| freshness_seconds | integer | – | – |
| html_sha256 | string | – | – |
| markdown_sha256 | string | – | – |
| prior_proof_id | string | – | – |
| url | string | yes | – |
No output schema declared.
No examples provided.
delta_quote Quote DELTA observation ~28
Get the current owner-authorized price before any payment is signed.
| Name | Type | Req | Description |
|---|---|---|---|
| product | string | – | – |
No output schema declared.
No examples provided.
delta_verify_proof Verify DELTA proof ~35
Read public proof metadata, hashes, and manifest integrity status without exposing private raw artifacts.
| Name | Type | Req | Description |
|---|---|---|---|
| proof_id | string | yes | – |
No output schema declared.
No examples provided.
How do I install the io.github.15998194110/delta-witness MCP server?
io.github.15998194110/delta-witness runs locally as an npm package, launched with npx -y delta-witness-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 · delta-witness-mcp
claude mcp add 15998194110-delta-witness -- npx -y delta-witness-mcp
What is the io.github.15998194110/delta-witness MCP server?
io.github.15998194110/delta-witness is an MCP server listed in the public MCP registry as io.github.15998194110/delta-witness. Paid Capture and Guard tools for public-source observations before autonomous actions. This page covers its npm package (delta-witness-mcp).
Is the io.github.15998194110/delta-witness MCP server safe to use?
io.github.15998194110/delta-witness scores 87 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.15998194110/delta-witness MCP server expose?
io.github.15998194110/delta-witness exposes 4 tools: delta_quote, delta_capture, delta_preflight, delta_verify_proof. Their descriptions and schemas cost roughly 276 tokens of context every time the server is loaded.
Is the io.github.15998194110/delta-witness MCP server still maintained?
io.github.15998194110/delta-witness 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.15998194110/delta-witness MCP server under?
io.github.15998194110/delta-witness declares the Apache-2.0 licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.