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MCP server · Security

Cassette

by · github.com/ivermin1123/mcp-cassette

Record a real MCP session once, replay it forever. VCR-style record/replay, contract snapshots, and safety checks for Model Context Protocol servers.

Unclaimed cicontract-testingdeveloper-toolsmcpmockingmodel-context-protocolrecord-replaysecuritytestingtypescript
InstallView source
37Low

Scored 5 hours ago · breakdown

About Cassette

Cassette is an MCP server published by ivermin1123 in the Security category: record a real MCP session once, replay it forever. VCR-style record/replay, contract snapshots, and safety checks for Model Context Protocol servers. It has been installed 0 times through Conduid.

Install

Claude Code
claude mcp add cassette -- npx -y mcp-cassette
npx
npx -y mcp-cassette

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

  • ·README presentNot checked yet.
  • ·License declaredNot checked yet.
  • ·Tests presentNot checked yet.
  • ·Dependencies pinnedNot checked yet.
  • ·No dynamic code executionNot checked yet.
  • ·Scoped permissionsNot checked yet.

Releases

v0.4.0v0.4.0 · 16 Aug 2026What's Changed ci(release): float the minor tag, and say which pin to use by @ivermin1123 in https://github.com/ivermin1123/mcp-cassette/pull/45 docs: give durable decisions a tracked home by @ivermin1123 in…
v0.3.0v0.3.0 · 16 Aug 2026⚠️ If your workflow uses `ivermin1123/mcp-cassette@v0` `@v0` is a floating tag. It follows every `0.x` release, and while the major version is `0`, a minor release may carry a breaking change. This one does. What you will see.** On your…
v0.2.0v0.2.0 · 16 Aug 2026What's Changed chore: sponsor button, TS6059 fix, and post-publish verification by @ivermin1123 in https://github.com/ivermin1123/mcp-cassette/pull/11 ci: weekly foundation canary for SDK and conformance drift by @ivermin1123 in…
v0.1.2v0.1.2 · 15 Aug 2026What's Changed feat: ship the contract gate as a GitHub Action, add a dangerous tier, and prove the invariants by @ivermin1123 in https://github.com/ivermin1123/mcp-cassette/pull/8 docs: add terminal demo GIF and social preview assets by…
v0.1.1v0.1.1 · 15 Aug 2026What's Changed docs: the package is published, so say so by @ivermin1123 in https://github.com/ivermin1123/mcp-cassette/pull/5 Publish through npm trusted publishing, and stop leaking numeric secrets (v0.1.1) by @ivermin1123 in…
Questions

About Cassette

How do I install Cassette?

Run claude mcp add cassette -- npx -y mcp-cassette, then add the server to your MCP client's configuration. Conduid has recorded 0 installs, so the command is known to work with current clients.

Is Cassette safe to use with an AI agent?

Its trust score is 37 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Cassette still maintained?

Conduid hasn't recorded a commit date for this repository yet. Check the repository directly for recent activity.