ranger-mcp-server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| KNOX_TOKEN | No | Knox JWT token | |
| KNOX_COOKIE | No | Knox cookie | |
| RANGER_PASS | No | Password for basic auth | |
| RANGER_USER | No | Username for basic auth | |
| RANGER_VERIFY_SSL | No | Whether to verify SSL certificates | true |
| RANGER_GATEWAY_URL | Yes | Full Knox Ranger API base URL (ends with /ranger/service) | |
| HTTP_TIMEOUT_SECONDS | No | HTTP request timeout in seconds | 30 |
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
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| list_ranger_servicesC | List Ranger service instances (cm_hive, cm_hdfs, cm_tag, etc.). |
| get_ranger_serviceB | Get a Ranger service instance by name. |
| get_ranger_service_definitionA | Get the service definition schema (access types, resources, mask types) for a component type. |
| search_ranger_policiesC | Search Ranger policies. policy_type: 0=access, 1=masking, 2=row-filter. |
| get_ranger_policyA | Get a policy by id or by service_name + policy_name. |
| create_ranger_policyC | Create a Ranger policy from a full JSON payload. WRITE OPERATION |
| update_ranger_policyC | Update an existing Ranger policy by id. WRITE OPERATION |
| apply_ranger_policyC | Create or update a policy via the apply/upsert endpoint. WRITE OPERATION |
| delete_ranger_policyC | Delete a policy by id or by service_name + policy_name. WRITE OPERATION |
| create_access_policyC | Create an access-control policy. WRITE OPERATION Provide resources via resources_json or simple fields (database, table, column, path). users/groups/roles/accesses are comma-separated. |
| create_masking_policyB | Create a data-masking policy (policyType=1). WRITE OPERATION data_mask_type examples: MASK, MASK_SHOW_LAST_4, MASK_HASH, MASK_NULL, CUSTOM. |
| create_tag_based_policyB | Create a tag-based access policy on the tag service (e.g. cm_tag). WRITE OPERATION access_type is prefixed by target service, e.g. hive:select or hdfs:read. |
| list_ranger_rolesC | List Ranger policy-engine roles. |
| get_ranger_roleB | Get a role by id or name. |
| create_ranger_roleC | Create a Ranger role with optional members. WRITE OPERATION |
| update_ranger_roleC | Update a Ranger role from JSON. WRITE OPERATION |
| delete_ranger_roleC | Delete a Ranger role by id. WRITE OPERATION |
| add_users_groups_to_roleC | Add users and/or groups to an existing role. WRITE OPERATION |
| get_roles_for_userC | List roles assigned to a user. |
| list_ranger_usersC | List Ranger users. |
| get_ranger_userB | Get a Ranger user by name. |
| create_ranger_userB | Create a Ranger user. WRITE OPERATION user_roles: ROLE_USER or ROLE_SYS_ADMIN. group_ids: comma-separated numeric ids. |
| update_ranger_userC | Update a Ranger user from JSON. WRITE OPERATION |
| delete_ranger_userB | Delete a Ranger user by id. WRITE OPERATION |
| list_ranger_groupsC | List Ranger groups. |
| get_ranger_groupB | Get a Ranger group by name. |
| create_ranger_groupC | Create a Ranger group. WRITE OPERATION |
| update_ranger_groupC | Update a Ranger group from JSON. WRITE OPERATION |
| delete_ranger_groupB | Delete a Ranger group by id. WRITE OPERATION |
| lookup_ranger_usersC | Search Ranger users by partial name. |
| lookup_ranger_groupsB | Search Ranger groups by partial name. |
| list_tag_definitionsB | List Ranger tag type definitions. |
| get_tag_definitionB | Get a tag definition by name. |
| list_tag_instancesC | List tag instances in Ranger. |
| list_tagged_resourcesC | List resources that have tags applied. |
| search_tag_based_policiesC | Search tag-based policies on the tag service (e.g. cm_tag). |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
Latest Blog Posts
- Who's Calling? MCP Hosts Are an Identity Blind Spot (And the Spec Knows It)By Om-Shree-0709 on .mcpAgent IdentityOAuth 2.1
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/frothkoetter/ranger-mcp-server'
If you have feedback or need assistance with the MCP directory API, please join our Discord server