helm-mcp
by SCGIS-Wales
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HELM_MCP_BINARY | No | Path to the helm-mcp Go binary. If not set, the bundled binary is used, then auto-download, then PATH. | |
| HELM_MCP_AUTH_TOKEN | No | Static bearer token (legacy). Lower priority than OIDC. | |
| HELM_MCP_OIDC_ISSUER | No | OIDC issuer URL. Token `iss` claim must match. | |
| HELM_MCP_SESSION_TTL | No | Session cache inactivity TTL (Go duration, e.g., `5m`, `15m`). Default: `5m`. | 5m |
| HELM_MCP_OTEL_ENABLED | No | Enable OpenTelemetry tracing | false |
| HELM_MCP_CACHE_ENABLED | No | Enable TTL-based response caching | false |
| HELM_MCP_OBO_CLIENT_ID | No | OBO client application ID. | |
| HELM_MCP_OBO_TOKEN_URL | No | OBO token exchange URL for downstream API calls with user context. | |
| HELM_MCP_OIDC_AUDIENCE | No | Expected audience. Tokens issued for other resources are rejected. | |
| HELM_MCP_OIDC_JWKS_URL | No | JWKS endpoint for signature verification. Auto-discovered from issuer if omitted. | |
| HELM_MCP_OTEL_EXPORTER | No | OTel exporter (`console` or `otlp`) | console |
| HELM_MCP_RETRY_ENABLED | No | Enable proxy-level retry middleware | true |
| HELM_MCP_CACHE_LIST_TTL | No | Tool list cache TTL (seconds) | 60 |
| HELM_MCP_CACHE_TOOL_TTL | No | Tool call cache TTL (seconds) | 300 |
| HELM_MCP_REQUIRED_ROLES | No | Comma-separated app roles required in the `roles` claim. | |
| HELM_MCP_TIMING_ENABLED | No | Enable request timing | true |
| HELM_MCP_ALLOWED_CLIENTS | No | Comma-separated client app IDs allowed in `azp`/`appid` claim. | |
| HELM_MCP_REQUIRED_SCOPES | No | Comma-separated OAuth2 scopes required in the `scp` claim. | |
| HELM_MCP_RETRY_MAX_DELAY | No | Maximum backoff delay (seconds) | 30.0 |
| HELM_MCP_TIMING_DETAILED | No | Use detailed timing middleware | false |
| HELM_MCP_BULKHEAD_ENABLED | No | Enable concurrency limiter | true |
| HELM_MCP_RATE_LIMIT_BURST | No | Burst capacity | 20 |
| HELM_MCP_RETRY_BASE_DELAY | No | Initial backoff delay (seconds) | 1.0 |
| HELM_MCP_TENACITY_ENABLED | No | Enable tenacity retry with jitter | true |
| HELM_MCP_OBO_CLIENT_SECRET | No | OBO client secret. | |
| HELM_MCP_OTEL_SERVICE_NAME | No | OTel service name | helm-mcp |
| HELM_MCP_RETRY_MAX_RETRIES | No | Maximum retry attempts | 2 |
| HELM_MCP_TENACITY_MAX_WAIT | No | Maximum wait between retries (seconds) | 10.0 |
| HELM_MCP_TENACITY_MIN_WAIT | No | Minimum wait between retries (seconds) | 0.5 |
| HELM_MCP_MAX_RESPONSE_BYTES | No | Maximum response size in bytes (0 to disable). Defaults to 262144 (256 KB). | 262144 |
| HELM_MCP_RATE_LIMIT_ENABLED | No | Enable token-bucket rate limiting | false |
| HELM_MCP_RATE_LIMIT_MAX_RPS | No | Maximum requests per second | 10.0 |
| HELM_MCP_TENACITY_MULTIPLIER | No | Exponential backoff base | 1.5 |
| HELM_MCP_TENACITY_MAX_ATTEMPTS | No | Maximum retry attempts | 3 |
| HELM_MCP_ERROR_HANDLING_ENABLED | No | Enable structured error responses | true |
| HELM_MCP_BULKHEAD_MAX_CONCURRENT | No | Maximum concurrent tool calls | 10 |
| HELM_MCP_CIRCUIT_BREAKER_ENABLED | No | Enable circuit breaker on tool calls | true |
| HELM_MCP_ERROR_INCLUDE_TRACEBACK | No | Include tracebacks in errors | false |
| HELM_MCP_RETRY_BACKOFF_MULTIPLIER | No | Backoff multiplier | 2.0 |
| HELM_MCP_CIRCUIT_BREAKER_RESET_TIMEOUT | No | Seconds before half-open retry | 30.0 |
| HELM_MCP_CIRCUIT_BREAKER_FAILURE_THRESHOLD | No | Failures before circuit opens | 5 |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
This server cannot be deployed
Maintenance
ActivityMaintained
ResponsivenessNo issues