Cedulon MCP server

Read from the package source without running it. The installed server may list more.

• cedulon_audit

  Reconcile the in-process receipt chain and checkpoint against the rail extract: this server's own ledger, or a signed extract you present. Returns audit: balanced or findings, names the account, rail and window it was computed over (scope) when an extract declared one, and counts the class every receipt and row landed in (counts).

• cedulon_export_ledgerwrite action

  Export receipts, checkpoint, and rail extract in the same JSON shape as npm run demo:export, with the findings, guarantee and counts of the audit over this server's own ledger.

• cedulon_spend

  Policy-gated spend on the mock rail. Allow returns a signed COSE receipt JSON. Deny returns the fail-closed reason.

• cedulon_status

  Server version, policy summary, receipt count, and chain head hash.

• cedulon_verify_receipt

  Verify a spend receipt COSE_Sign1 (and payee countersignature when present). Supply expectIssuerKeyPem to check it against a key you already hold; without one the receipt is only checked against the key it carries, which any key satisfies.

• Code scan9 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 2 days ago15/15
• Maintainer identityregistry namespace matches repository owner6/10

Cedulon: common questions

Is Cedulon MCP server safe?

Yes, by our scan: it is graded A (89/100). Read the Cedulon safety report

How do I install Cedulon?

It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.

Does Cedulon need an API key?

No secret keys are declared. It reads 4 settings from the environment.

Is Cedulon maintained?

The last commit was 2 days ago (2026-09-17). The latest release is v0.13.1.

What can I use instead of Cedulon?

Servers from other publishers that do the same job: Ghostlight MCP server, Brightdata MCP server and Zenrows MCP server. Compare all Cedulon alternatives.