subgraph-mcp vs Perseus Ledger — verifiable, hash-chained event provenance
Perseus Ledger — verifiable, hash-chained event provenance is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑20.
subgraph-mcp is a plugin bundle for AI coding tools published by PaulieB14. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). Perseus Ledger — verifiable, hash-chained event provenance is an MCP server published by Perseus-Computing-LLC. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-25. 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 |  subgraph-mcp | |
|---|---|---|
| Claude Code: claude-plugins-community | Listed Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 1 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Removed on 2026-10-20 Version: 1.2.4 Downloads/month (PyPI): 196 Downloads/week (PyPI): 19 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 | subgraph-mcp | Perseus Ledger — verifiable, hash-chained event provenanceno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | 1 | No figure on GitHub |
| Forks (GitHub) (differs) | 0 | No figure on GitHub |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (subgraphs.mcp.thegraph.com/sse) | On your machine (perseus-ledger) |
| Transport (differs) | Streamable HTTP | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 2 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/paulieb14/subgraph-mcp-skills | github.com/perseus-computing-llc/ledger |
| Changes in the last 7 days (differs) | 0 | 2 |
| First seen (differs) | 2026-10-12 | 2026-10-11 |
| Endpoint at the last check (differs) | Responded 2 h ago | no remote endpoint we check |
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 Perseus Ledger — verifiable, hash-chained event provenance
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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provenance io.github.MarkovianProtocol/provenance
Stamp or notarize data into a public witnessed transparency log. Proves timing, not truth.
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Append-only, signed, on-chain-verifiable agent action log — record and audit what agents did.
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computeledger io.github.RudrenduPaul/computeledger
Signs, hash-chains, and verifies compute usage receipts via an MCP server, no issuer trust required.
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Log decisions with expectations, add evidence, and track metrics in Ledger.
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invinoveritas com.babyblueviper/invinoveritas
Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.
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Tamper-evident action logging for agents: hash-chained append/verify, one JSONL file, zero deps.
What each says it does
subgraph-mcp
Connect Claude to 15,000+ blockchain subgraphs via The Graph's Subgraph MCP server. Query DeFi, NFT, DAO, and governance data in natural language without writing GraphQL.
Perseus Ledger — verifiable, hash-chained event provenance
Verifiable, hash-chained event provenance for autonomous systems. Local-first, MIT. 5 MCP tools.
How to run each
subgraph-mcp As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install subgraph-mcp@claude-communityPerseus Ledger — verifiable, hash-chained event provenance
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Only subgraph-mcp 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: subgraph-mcp · What it can do: Perseus Ledger — verifiable, hash-chained event provenance · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. 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.