blockvectra-rpc vs Lumen Pre-Sign Check
blockvectra-rpc is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.
blockvectra-rpc is a plugin bundle for AI coding tools published by blockvectra. No marketplace we read lists it any more. Lumen Pre-Sign Check is an MCP server published by Dansgit2b. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-18. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Lumen Pre-Sign Check | |
|---|---|---|
| Community marketplace blockvectra/mcp | Removed on 2026-10-15 Version: not stated Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.4.0 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | blockvectra-rpcno longer listed · | Lumen Pre-Sign Check |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) | 0 | 0 |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | Remote server (lumenworks-x402-decoder.onrender.com/mcp/presign) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Licence | Not stated | Not stated |
| Repository (differs) | github.com/blockvectra/skills | github.com/dansgit2b/lumenworks-x402-api |
| Changes in the last 7 days (differs) | 4 | 0 |
| First seen (differs) | 2026-10-13 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Answered with HTTP 404 (21 h ago) |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of blockvectra-rpc
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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BlockVectra: multi-chain RPC & Data API
Keyless multi-chain EVM JSON-RPC, indexed Data API, docs, CU pricing and status. API key optional.
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Vibes-Coded Agent Security and Commerce Tools
Agent supply-chain security, scanner consensus, x402 reliability, and commerce MCP tools.
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Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.
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FlexYield — blockchain RPC gateway
RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.
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nodeflare-mcp io.github.Nodeflare-app/nodeflare-mcp
Blockchain JSON-RPC on 23 EVM chains for AI agents - free tier, API key, or x402 pay-per-call.
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Self-custodial crypto + DeFi MCP for AI agents. Ledger-signed. EVM, TRON, Solana, BTC, LTC.
What each says it does
blockvectra-rpc
Agent skill for BlockVectra: keyless EVM JSON-RPC, Data API, programmatic sign-up, pricing and top-up.
Lumen Pre-Sign Check
Use before signing an EVM tx or EIP-712 message: risk flags + verdict. Informational, no simulation
How to run each
blockvectra-rpc
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Lumen Pre-Sign Check As a remote MCP server
claude mcp add --transport http lumen-presign-check https://lumenworks-x402-decoder.onrender.com/mcp/presignCommands built only from what the marketplaces declare; the full set for every client is on each card.
Only Lumen Pre-Sign Check has a remote endpoint we check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: blockvectra-rpc · What it can do: Lumen Pre-Sign Check · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.