Throne
Throne verifies Model Context Protocol (MCP) servers by executing them in disposable microVMs, observing real client behavior, running security checks, and publishing sealed, immutable verification records and verdicts for teams that govern agent-facing tools.
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Best for: Security
What it does
Security software for decision-makers comparing workflow fit and alternatives.
Best fit
Security
Pricing snapshot
Freemium from Free with daily public usage limits
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Throne is a verification platform for Model Context Protocol (MCP) servers that executes target packages, repos, or configs inside disposable microVMs to observe real client behavior before agents interact with them. It combines runtime execution, security inspection, classification (allow/review/block), and sealed evidence receipts so engineering and security teams have repeatable, auditable records for approving agent-facing tools. Throne provides a public registry of executed MCP servers and verification records, a public verifier for single-run proofs, CI integrations to gate merges, and enterprise governance features such as private allowlists, scheduled rescans, and audit exports.
The trust layer for MCP. Throne executes every MCP server your AI agents depend on and seals the evidence your security team needs, before it reaches production.
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Claim this listing for $29Key Features
Isolated execution
Boots the target inside a disposable microVM, installs it from source, and observes actual runtime behavior before agents ever call the server.
Compatibility verdicts
Classifies servers as allow, review, or block by comparing observed client behavior across calibrated client emulations and protocol checks.
Sealed evidence receipts
Produces sealed records with scan id, timestamp, raw traces, client verdicts, and an evidence hash (sha256) that are immutable, verifiable, and shareable.
Security review
Runs static security rules and produces findings; records include security verdicts (clean, review, finding levels) alongside execution evidence.
Public registry and badges
Maintains a live public registry of executed MCP servers and issues public records and badges that re-earn on every release.
CI & developer integrations
Provides a GitHub Action (usethrone/throne-ci) to gate PRs, and CLI/npm flows (npx examples) to run verifications as part of workflows.
Enterprise governance
Support for private allowlists, scheduled rescans, audit exports, and sales/enterprise support for governance and procurement workflows.
Public verifier
A no-signup public verifier for single-server proof runs with daily public usage limits; paid plans remove the limit.
Pricing
Public verifier: no signup, no card, limited daily usage (public abuse limits keep the verifier online).
Public verifier (Free, limited)
Free with daily public usage limits- No signup, no card
- Limited daily public verification runs
Paid plans
Not listed on the page- Remove public verifier limits
- Higher usage and fewer public rate limits
Enterprise
Contact sales- Governance, private allowlists, scheduled rescans, audit exports, and sales support
Use Cases
Platform engineering
Gate MCP server releases by a real execution verdict rather than manual client testing; fail merges on regressions using CI integration.
Security reviews and supply-chain
Assess what a server can actually do (file access, network, shell, API calls) and make approval decisions based on runtime evidence and security findings.
OSS maintainer assurance
Provide maintainers a public, executable record and badge proving their MCP server works across calibrated clients and security checks.
Procurement & compliance
Give engineering leads and procurement teams repeatable, auditable proof (sealed evidence) required to approve agent-facing tools for production.
Integrations
GitHub Actions
Provides a GitHub Action (usethrone/throne-ci@v1) to gate pull requests and make verifications part of CI.
npm / CLI
CLI/npm flows and npx examples to run verifications locally or in CI (`npx` examples and `throne verify`).
CI workflows
Release workflow examples to fail merges on MCP regressions and turn public scans into CI gates.
Public registry
Live public registry of sealed verification records and badges for maintainers and consumers.
Benefits
Limitations
Frequently Asked Questions
No verified FAQs are available.
Getting Started
- 1 Step 1: Run the public verifier for a single server (no signup) using the provided CLI/npm examples (e.g. `throne verify @modelcontextprotocol/server-everything` or `npx` examples).
- 2 Step 2: Review the sealed verification record including scan id, timestamp, client verdicts, and evidence hash to evaluate fit and security findings.
- 3 Step 3: Integrate verification into your workflow via the usethrone GitHub Action (usethrone/throne-ci) to gate pull requests and package releases; contact sales for enterprise allowlists and scheduled scans.
Support
General contact and support via [email protected] (listed on site).
sales
Talk to sales for enterprise governance, private allowlists, and procurement workflows (prompt on page).
docs
Product docs and CI examples referenced on the site (e.g., 'See CI docs' and example GitHub Action), accessible from the Throne site.
API
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