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Helm MCP

kubedoll-heavy-industries/helm-mcp

Connects Claude to live Helm chart repositories so it can query actual values.yaml schemas instead of guessing at field names. Exposes five tools: search charts by keyword, list available versions, fetch values with optional JSON path filtering and schema validation, inspect dependencies, and retrieve post-install notes. Works with both HTTP and OCI registries, though OCI requires knowing the chart name upfront since those registries don't support browsing. Useful when you're configuring Kubernetes deployments and need accurate chart documentation without leaving your editor. Ships as a Docker container or standalone binary, supports stdio and HTTP transports, and includes a public rate-limited instance at helm-mcp.kubedoll.com if you want to try it before self-hosting.

tools: 5
transport: HTTP
last updated: Apr 18, 2026

Tools

5 tools

Public tool metadata for what this MCP can expose to an agent.

search_chartsList or search charts in a Helm repo

List or search charts in a Helm repo

No parameter schema in public metadata yet.

get_versionsGet available versions of a chart (newest first)

Get available versions of a chart (newest first)

No parameter schema in public metadata yet.

get_valuesGet chart values.yaml, optionally as a focused subsection

Get chart values.yaml, optionally as a focused subsection

No parameter schema in public metadata yet.

get_dependenciesGet a chart's sub-charts (with their repo URLs, which can be fed back into the other tools)

Get a chart's sub-charts (with their repo URLs, which can be fed back into the other tools)

No parameter schema in public metadata yet.

get_notesGet chart NOTES.txt (post-install instructions)

Get chart NOTES.txt (post-install instructions)

No parameter schema in public metadata yet.

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Readme

mcp-helm

Give your AI assistant access to real Helm chart data. No more hallucinated values.yaml files.

What is this?

When you ask Claude, Cursor, or other AI assistants to help with Kubernetes deployments, they don't have access to Helm chart schemas. So they guess — and the guesses look plausible but don't match reality.

View the full README on GitHub

Details

Repository: github.com/kubedoll-heavy-industries/helm-mcp
Categories: Cloud & Infrastructure, Data & Analytics
Transport: HTTP
Registry: MCP registry, active

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