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  3. SatRank β€” Lightning trust + audit oracle
SatRank β€” Lightning trust + audit oracle logo
Health: ActiveRecent health check succeeded.Last checked 9/22/2026, 7:46:23 AM

SatRank β€” Lightning trust + audit oracle

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time β€” check back soon.
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Lightning trust + audit oracle. Score, pay, and audit L402 endpoints with Ed25519 receipts.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent β€” or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag β€” we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON β–Ύ

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "satrank-lightning-trust-audit-oracle": {
      "command": "npx",
      "args": [
        "-y",
        "satrank-mcp"
      ]
    }
  }
}

πŸ’‘ Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing AlternativesπŸ”’ More in Security

Documentation Overview

SatRank

Lightning trust oracle for AI agents on L402. Bitcoin-pure.

What this does

  • Crawls the L402 ecosystem (l402.directory + RSS + DNS) to build a catalogue of paid endpoints.
  • Probes each endpoint, classifying outcomes across 5 stages: challenge / invoice / payment / delivery / quality.
  • Scores every (endpoint, stage) pair as a streaming Beta(Ξ±, Ξ²) posterior. The end-to-end success probability is the product of stage means.
  • Ranks candidates on POST /api/intent (paid 2 sats via L402): an agent passes a category + budget + SLA, gets back the top-K endpoints with full Bayesian breakdown.
  • Publishes signed Nostr trust assertions (kind 30782) so any agent can cache / verify SatRank's output offline.

Public endpoints

Doc surfaces:

Code
GET  /                                 landing page (static HTML)
GET  /methodology                      technical reference (static HTML)
GET  /api                              API reference (static HTML)
GET  /openapi.json                     OpenAPI 3.0 spec (machine-readable)

Functional API (nine routes β€” POST /api/intent is the only L402-gated one):

Code
POST /api/intent                       paid, 2 sats via L402
POST /api/deposit                      free, mint a multi-use deposit macaroon (10–10000 sats, 30-day TTL)
GET  /api/deposit/:macaroon_id         free, read remaining balance
GET  /api/services/:url_hash           free, per-endpoint score snapshot
GET  /api/services/categories          free, list of catalogue categories
GET  /api/services/best                free, top-3 per category (5-min cache)
GET  /api/oracle/budget                free, last 24h revenue + paid-probe spend
GET  /health                           free, liveness
GET  /.well-known/satrank-key          free, oracle pubkey for offline verify

Deposit macaroons let an agent pre-pay N sats once and use the bearer preimage across many /api/intent calls without a Lightning round-trip per call. Authorization: L402 deposit_<id>:<preimage_hex>.

MCP

Three tools for any MCP-compatible AI runtime (Claude Code, Cursor, Codex, n8n):

Code
intent              forwards POST /api/intent (paid)
get_endpoint_score  forwards GET /api/services/:url_hash (free)
verify_assertion    offline Schnorr verification of kind 30782 (no network)

Install in Claude Code:

Terminal
claude mcp add satrank -- npx -y satrank-mcp

Self-hosters point SATRANK_API_BASE at their own deployment.

Architecture

14 source files + 4 doc surfaces (3 HTML pages + OpenAPI spec). Read top-to-bottom in 30 minutes.

Code
src/
β”œβ”€β”€ types.ts             Stage, Posterior, Endpoint, Observation
β”œβ”€β”€ config.ts            zod env schema, parsed once at boot
β”œβ”€β”€ logger.ts            JSON-line stdout
β”œβ”€β”€ db.ts                pg Pool + idempotent schema bootstrap
β”œβ”€β”€ schema.sql           9 tables in ONE file (no migrations folder)
β”œβ”€β”€ lnd.ts               minimal LND REST client (addInvoice + payInvoice)
β”œβ”€β”€ ssrf.ts              RFC1918 + link-local + IPv6 ULA URL guard
β”œβ”€β”€ nostr.ts             kind 30782 sign + publish + offline verify
β”œβ”€β”€ scoring.ts           Beta(Ξ±,Ξ²) per stage, Wilson CI95, ranker
β”œβ”€β”€ probe.ts             HTTP probe with optional L402 pay
β”œβ”€β”€ crawler.ts           l402.directory + RSS + DNS + cron
β”œβ”€β”€ api.ts               Express; 9 functional routes + 4 doc surfaces, native L402 paid gate, deposit credits
β”œβ”€β”€ mcp.ts               MCP server, 3 tools, ships verbatim to npm
β”œβ”€β”€ landing.html         static landing served at GET /
β”œβ”€β”€ methodology.html     technical reference served at GET /methodology
β”œβ”€β”€ api-reference.html   API reference served at GET /api
β”œβ”€β”€ openapi.json         OpenAPI 3.0 spec served at GET /openapi.json
└── index.ts             boot + shutdown

Run it

bash
cp .env.example .env
# minimum: set DATABASE_URL

npm install
npm run build
npm start

For paid probes + paid /api/intent gate, set LND_REST_URL + LND_MACAROON_HEX + L402_MACAROON_SECRET. For Nostr trust assertions, set NOSTR_PRIVATE_KEY.

Scoring math

For each (endpoint, stage), maintain a Beta(Ξ±, Ξ²) posterior with Ξ±β‚€ = Ξ²β‚€ = 1 (uniform prior). On every observation:

  • success β†’ Ξ± += 1
  • failure β†’ Ξ² += 1

Stage mean: α / (α+β). 95% credible interval via Wilson (closed-form). End-to-end success: ∏ stage_means across the 5 stages, assuming stage independence.

is_meaningful is true iff the challenge stage has at least MEANINGFUL_N_OBS_MIN observations. The challenge stage is observed on every probe (free or paid), so its n_obs converges fastest. p_e2e remains the honest end-to-end product separately.

License

AGPL-3.0

Read the full README β†’View source on GitHub β†’

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Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks β€” not a rating.

npm downloads
204
Package downloads in the last 30 days.
Last commit
2mo ago
Most recent push to the default branch.

Reviews

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Frequently Asked Questions about SatRank β€” Lightning trust + audit oracle

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "satrank-lightning-trust-audit-oracle": { "command": "npx", "args": ["-y","satrank-mcp"] } }

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Technical Specs & Signals

CategoryπŸ”’Security
More technical detailsExpand β–Ύ
TransportSTDIO
RuntimeNode.js
Last updatedJul 13, 2026
7/12 checks healthy over the last 45d
Views0
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars0
GitHub Star CountTotal stargazers on GitHub representing community popularity (0 stars).
Last commit2mo ago
Last Repository CommitThe most recent commit or push recorded for this server's GitHub repository.Last commit on Jul 13, 2026
npm downloads204/mo
Monthly npm DownloadsAverage monthly package installs recorded from npm registry statistics.
41Quality signal: Fair Β· 41/100How this signal is calculated β–Ύ
Server availabilityNot measured

Not scored for repo-hosted servers β€” we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity5/15
Community engagement0/10

A guidance signal from public completeness & health data β€” not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 2d ago via OSV.dev Β· satrank-mcp (npm)

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