Compatible with every major AI agent and IDE
What is the Infracost MCP Server?
Connect Infracost to your AI agent to bring financial visibility and governance to your Infrastructure as Code (IaC) workflows. Prevent cloud cost surprises before they happen.
What you can do
- Cost Guardrails — List, create, and manage guardrails that trigger alerts or block Pull Requests when cost increases exceed your defined thresholds.
- Tagging Governance — Enforce organizational standards by updating tagging policies, ensuring all cloud resources are correctly attributed to departments or projects.
- Custom Pricing — Manage enterprise-specific price books for AWS and Azure to ensure cost estimates reflect your actual negotiated discounts.
- Business Context — Upload custom properties from external systems like ServiceNow or Backstage to map cloud costs to your internal organizational hierarchy.
- Pricing Queries — Programmatically query cloud pricing data to compare costs across different resource types and regions.
How it works
- Subscribe to this server
- Enter your Infracost API Token
- Start managing your cloud governance from Claude, Cursor, or any MCP-compatible client
Who is this for?
- DevOps Engineers — automate the enforcement of cost policies and tagging standards directly within the CI/CD flow.
- FinOps Teams — gain real-time visibility into infrastructure spend and manage custom enterprise discounts without manual spreadsheets.
- Engineering Managers — set budget thresholds and receive automated summaries of cost impacts for proposed infrastructure changes.
Built-in capabilities (13)
Create a new guardrail
Create a custom price book for an enterprise
Delete a guardrail
Get a specific guardrail by ID
Poll this to wait for SUCCESS status. Get the status and details of a price book
Use the returned URL to PUT the CSV file. Get a presigned URL to upload a price book CSV
Call this after uploading the CSV to the presigned URL. Trigger ingestion of an uploaded price book CSV
List all guardrails for an organization
Provide a valid GraphQL query string. Query the Cloud Pricing API using GraphQL
Update an existing guardrail
Pass the customPriceBookId to activate it. Update organization settings, such as activating a custom price book
Update allowed tag values for a tagging policy
g., from ServiceNow or Backstage) for cost attribution. Provide raw CSV data. Upload custom business properties via CSV
Why Claude Desktop?
Claude Desktop is the definitive way to connect Infracost to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 13 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.
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Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available
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Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface
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Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions
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Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network
Infracost in Claude Desktop
Infracost and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Infracost to Claude Desktop through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 4,000+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Infracost in Claude Desktop
The Infracost MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 13 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Claude Desktop only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Infracost for Claude Desktop
Every tool call from Claude Desktop to the Infracost MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How can I see all active cost guardrails for my organization?
You can use the list_guardrails tool by providing your organization slug. The agent will return a list of all configured thresholds, including cost increase limits and whether they block PRs.
Can I enforce mandatory tags for my cloud resources using this server?
Yes! Use the update_tagging_policy tool to define mandatory tag keys and allowed values. This helps maintain standards across all your repositories.
Is it possible to block expensive Pull Requests automatically?
Absolutely. When using create_guardrail or update_guardrail, you can set the blockPr parameter to true. This ensures that any infrastructure change exceeding your budget cannot be merged without review.
How does Claude Desktop discover MCP tools?
When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.
What happens if the MCP server is temporarily unavailable?
Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.
Can I connect multiple MCP servers simultaneously?
Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.
Is there a limit on the number of tools per server?
Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.
Does Claude Desktop support Streamable HTTP transport?
Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.
Server not appearing after restart
Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).
Authentication error
Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.
Tools not showing in chat
Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.
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