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047 API Usage 46ce9720 by tools-only

Name: 047 API Usage 46ce9720
Author: tools-only

API Usage Guide

This guide provides comprehensive examples for using the MCP Gateway REST API via curl to perform common operations like managing gateways (MCP servers), tools, resources, prompts, and more.

Prerequisites

Before using the API, you need to:

Start the MCP Gateway server:

# Development server (port 8000, auto-reload)
make dev

# Production server (port 4444)
make serve

Generate a JWT authentication token:

!!! warning "Security Warning: CLI Token Generation" The CLI token generator has access to JWT_SECRET_KEY and can create tokens with ANY claims, bypassing all API security controls. Only use for development/testing. For production, use the /tokens API endpoint. Simple Token (Basic Testing):

# Generate token (replace secret with your JWT_SECRET_KEY from .env)
export TOKEN=$(python3 -m mcpgateway.utils.create_jwt_token \
  --username admin@example.com \
  --exp 10080 \
  --secret my-test-key 2>/dev/null | head -1)

# Verify token was generated
echo "Token: ${TOKEN:0:50}..."

Rich Token with Admin Privileges (⚠️ DEV/TEST ONLY):

# Generate admin token for testing admin operations
export TOKEN=$(python3 -m mcpgateway.utils.create_jwt_token \
  --username admin@example.com \
  --admin \
  --full-name "Admin User" \
  --exp 10080 \
  --secret my-test-key 2>/dev/null | head -1)

Team-Scoped Token (⚠️ DEV/TEST ONLY):

# Generate token scoped to specific teams
export TOKEN=$(python3 -m mcpgateway.utils.create_jwt_token \
  --username user@example.com \
  --teams team-123,team-456 \
  --full-name "Team User" \
  --exp 10080 \
  --secret my-test-key 2>/dev/null | head -1)

!!! tip "Token Expiration" The --exp parameter sets token expiration in minutes. Non-expiring tokens (--exp 0) require REQUIRE_TOKEN_EXPIRATION=false (disabled by default for security).

Set the base URL:

# Development server (make dev)
export BASE_URL="http://localhost:8000"

# Direct production server (make serve, uvx, or docker run)
export BASE_URL="http://localhost:4444"

# Docker Compose with nginx proxy
# export BASE_URL="http://localhost:8080"

Authentication

Most API requests require JWT Bearer token authentication (public endpoints include /health and /ready). Documentation endpoints (/docs, /redoc, /openapi.json) also require auth by default. The /metrics endpoint requires admin.metrics permission.

curl -H "Authorization: Bearer $TOKEN" $BASE_URL/endpoint

Pagination

!!! info "Default Pagination Behavior" For backward compatibility, main API list endpoints return plain arrays by default. Add ?include_pagination=true to get paginated responses with cursor metadata. Admin API endpoints always return paginated responses.

Pagination Methods

The API supports two pagination approaches:

Cursor-based pagination (Main API endpoints: /tools, /servers, /gateways, etc.)
- Uses opaque cursors for efficient traversal
- Best for real-time data and large datasets
- No knowledge of total pages required
Page-based pagination (Admin API endpoints: /admin/tools, /admin/servers, etc.)
- Uses page numbers and per-page limits
- Provides total count and page information
- Easier for UI components with page numbers

Response Formats

Main API (Cursor-based):

{
  "entities": [...],
  "nextCursor": "base64-encoded-cursor"
}

The entity key name matches the resource type: tools, gateways, servers, resources, prompts, or agents.

Admin API (Page-based):

{
  "data": [...],
  "pagination": {
    "total_items": 150,
    "page": 1,
    "per_page": 50,
    "total_pages": 3
  },
  "links": {
    "first": "/admin/tools?page=1&per_page=50",
    "last": "/admin/tools?page=3&per_page=50",
    "next": "/admin/tools?page=2&per_page=50",
    "prev": null
  }
}

Plain Array (default for Main API):

[...]

Add ?include_pagination=true to main API endpoints to get paginated responses with cursor metadata.

Pagination Parameters

Main API (Cursor-based):

Parameter	Description	Default
`cursor`	Opaque pagination cursor for fetching next page	`null` (first page)
`limit`	Maximum items per page (0 = all)	50
`include_pagination`	Return paginated format with cursor	`false`

Admin API (Page-based):

Parameter	Description	Default
`page`	Page number (1-indexed)	1
`per_page`	Items per page	50

Examples

Cursor-based pagination (Main API):

# Default: plain array (first 50 items)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | jq '.'

# Enable pagination to get cursor metadata
curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/tools?include_pagination=true" | jq '.'

# Extract cursor and get next page
CURSOR=$(curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/tools?include_pagination=true" | jq -r '.nextCursor')
curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/tools?include_pagination=true&cursor=$CURSOR" | jq '.'

# Get all items as plain array
curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/tools?limit=0" | jq '.'

Page-based pagination (Admin API):

# First page (default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/admin/tools | jq '.'

# Specific page with custom page size
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/admin/tools?page=2&per_page=25" | jq '.'

# Loop through all pages
for page in {1..5}; do
  curl -s -H "Authorization: Bearer $TOKEN" \
    "$BASE_URL/admin/tools?page=$page&per_page=50" | jq '.data[]'
done

Health & Status

Check Server Health

# Basic health check
curl -s $BASE_URL/health | jq '.'

Expected output:

{
  "status": "healthy"
}

Check Readiness

# Readiness check (for load balancers)
curl -s $BASE_URL/ready | jq '.'

Expected output:

{
  "status": "ready"
}

If the gateway is not ready, this endpoint returns HTTP 503 with:

{
  "status": "not ready",
  "error": "..."
}

Get Version Information

# Get server version and build info
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/version | jq '.'

Gateway Management

Gateways represent upstream MCP servers or peer gateways that provide tools, resources, and prompts.

List All Gateways

# First page - List gateways (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/gateways | jq '.'

Response:

{
  "gateways": [
    {
      "id": "abc123",
      "name": "my-mcp-server",
      "url": "http://localhost:9000/mcp",
      "enabled": true,
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogImFiYzEyMyJ9"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/gateways?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogImFiYzEyMyJ9" | jq '.'

# Or loop through all pages programmatically
CURSOR=""
while true; do
  RESPONSE=$(curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/gateways${CURSOR:+?cursor=$CURSOR}")
  echo "$RESPONSE" | jq '.gateways[]'
  CURSOR=$(echo "$RESPONSE" | jq -r '.nextCursor')
  [ "$CURSOR" == "null" ] && break
done

Non-Paginated (Array Only):

# Get simple array without pagination metadata
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/gateways?include_pagination=false" | jq '.'

Get Gateway Details

# Get specific gateway by ID
export GATEWAY_ID="your-gateway-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/gateways/$GATEWAY_ID | jq '.'

Register a New Gateway

# Register an MCP server gateway
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "my-mcp-server",
    "url": "http://localhost:9000/mcp",
    "description": "My custom MCP server",
    "transport": "STREAMABLEHTTP"
  }' \
  $BASE_URL/gateways | jq '.'

!!! note "Request Types" Supported request_type values:

- `STREAMABLEHTTP`: HTTP/SSE-based MCP server
- `SSE`: Server-Sent Events transport
- `STDIO`: Standard I/O (for local processes)
- `WEBSOCKET`: WebSocket transport

Complete Example: Registering a Gateway

# 1. Start an MCP server on port 9000 (in another terminal)
python3 -m mcpgateway.translate --stdio "uvx mcp-server-git" --port 9000

# 2. Register the gateway
GATEWAY_RESPONSE=$(curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "git-server",
    "url": "http://localhost:9000/mcp",
    "description": "Git operations MCP server",
    "transport": "STREAMABLEHTTP"
  }' \
  $BASE_URL/gateways)

# 3. Extract the gateway ID
export GATEWAY_ID=$(echo $GATEWAY_RESPONSE | jq -r '.id')
echo "Gateway ID: $GATEWAY_ID"

Update Gateway

# Update gateway properties
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "updated-server-name",
    "description": "Updated description",
    "enabled": true
  }' \
  $BASE_URL/gateways/$GATEWAY_ID | jq '.'

Enable/Disable Gateway

# Toggle gateway enabled status
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/gateways/$GATEWAY_ID/state?activate=false | jq '.'

Delete Gateway

# Delete a gateway (warning: also deletes associated tools)
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/gateways/$GATEWAY_ID | jq '.'

Tool Management

Tools are executable operations exposed by MCP servers through the gateway.

List All Tools

# First page - List all available tools (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | jq '.'

Response:

{
  "tools": [
    {
      "name": "get_weather",
      "description": "Get current weather",
      "gatewaySlug": "weather-api",
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInRvb2wxMjMifQ"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInRvb2wxMjMifQ" | jq '.'

Non-Paginated (Array Only):

# Get simple array without pagination metadata
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?include_pagination=false" | jq '.'

# Extract specific fields from array
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?include_pagination=false" | \
  jq '.[] | {name: .name, description: .description, gateway: .gatewaySlug}'

Filtering and Pagination

The /tools endpoint supports several query parameters for filtering and pagination:

Parameter	Description
`gateway_id`	Filter by gateway ID. Use `null` to match tools without a gateway.
`tags`	Comma-separated list of tags to filter by (matches any).
`visibility`	Filter by visibility: `private`, `team`, or `public`.
`team_id`	Filter by team ID.
`include_inactive`	Include disabled tools (default: `false`).
`limit`	Maximum tools to return. Use `0` for all tools (no limit). Default: 50.
`cursor`	Pagination cursor for fetching the next page.
`include_pagination`	Return paginated format with cursor (default: `true`). Set to `false` for array only.

Examples:

# Filter by gateway (paginated)
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?gateway_id=<gateway-id>" | jq '.'

# Filter by tags (paginated)
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?tags=api,data" | jq '.'

# Get up to 100 tools per page
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?limit=100" | jq '.'

# Get ALL tools (no pagination - returns all as array)
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?limit=0&include_pagination=false" | jq '.'

# Navigate to next page using cursor
NEXT=$(curl -s -H "Authorization: Bearer $TOKEN" "$BASE_URL/tools" | jq -r '.nextCursor')
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tools?cursor=$NEXT" | jq '.'

Get Tool Details

# Get specific tool by ID
export TOOL_ID="your-tool-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools/$TOOL_ID | jq '.'

# View tool's input schema
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools/$TOOL_ID | jq '.inputSchema'

# View tool's output schema
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools/$TOOL_ID | jq '.outputSchema'

Register a Custom Tool

# Register a tool manually (for REST APIs, custom integrations)
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "tool": {
      "name": "weather-api",
      "description": "Get weather information for a city",
      "url": "https://api.weather.com/v1/current",
      "integration_type": "REST",
      "request_type": "POST",
      "input_schema": {
        "type": "object",
        "properties": {
          "city": {
            "type": "string",
            "description": "City name"
          }
        },
        "required": [
          "city"
        ]
      }
    }
  }' \
  $BASE_URL/tools | jq '.'

Invoke a Tool

export TOOL_NAME="your-tool-name"
# Execute a tool with arguments
jq -n --arg name "$TOOL_NAME" --argjson args '{"param1":"value1","param2":"value2"}' \
  '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":$name,"arguments":$args}}' |
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d @- "$BASE_URL/rpc" | jq '.result.content[0].text'

Complete Example: Tool Invocation

# 1. List tools and find one to test
TOOLS=$(curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools)
export TOOL_ID=$(echo $TOOLS | jq -r '.[0].id')
export TOOL_NAME=$(echo $TOOLS | jq -r '.[0].name')

echo "Testing tool: $TOOL_NAME (ID: $TOOL_ID)"

# 2. View the tool's input schema
echo "Input schema:"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools/$TOOL_ID | jq '.inputSchema'

# 3. Invoke the tool
jq -n --arg name "$TOOL_NAME" --argjson args '{"param1":"test_value"}' \
  '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":$name,"arguments":$args}}' |
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d @- "$BASE_URL/rpc" | jq '.result.content[0].text'

Update Tool

# Update tool properties
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "description": "Updated tool description",
    "enabled": true
  }' \
  $BASE_URL/tools/$TOOL_ID | jq '.'

Enable/Disable Tool

# Toggle tool enabled status
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/tools/$TOOL_ID/state?activate=false | jq '.'

Delete Tool

# Delete a tool
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/tools/$TOOL_ID | jq '.'

Virtual Server Management

Virtual servers allow you to compose multiple MCP servers and tools into unified service endpoints.

List All Servers

# First page - List all virtual servers (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/servers | jq '.'

Response:

{
  "servers": [
    {
      "id": "server123",
      "name": "my-virtual-server",
      "description": "Combined MCP endpoints",
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInNlcnZlcjEyMyJ9"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/servers?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInNlcnZlcjEyMyJ9" | jq '.'

Non-Paginated:

# Get simple array
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/servers?include_pagination=false" | jq '.'

Create Virtual Server

# Create a new virtual server
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "server": {
    "name": "my-virtual-server",
    "description": "Composed server with multiple tools",
    "associated_tools": ["'$TOOL_ID'"]
    }
  }' \
  $BASE_URL/servers | jq '.'

Get Server Details

# Get specific server
export SERVER_ID="your-server-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/servers/$SERVER_ID | jq '.'

Response:

{
  "id": "server123",
  "name": "my-virtual-server",
  "associatedTools": ["tool1", "tool2"],
  "enabled": true
}

Complete Example: Virtual Server Creation

# 1. Get tools IDs to associate
TOOLS=$(curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools)
export TOOL1_ID=$(echo $TOOLS | jq -r '.[0].id')
export TOOL2_ID=$(echo $TOOLS | jq -r '.[1].id')

# 2. Create virtual server with multiple gateways
SERVER_RESPONSE=$(curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "server": {
    "name": "my-virtual-server",
    "description": "Composed server with multiple tools",
    "associated_tools": ["'$TOOL1_ID'", "'$TOOL2_ID'"]
    }
  }' \
  $BASE_URL/servers)

export SERVER_ID=$(echo $SERVER_RESPONSE | jq -r '.id')
echo "Server ID: $SERVER_ID"

List Server Tools

# Get all tools available through a server
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/tools | jq '.'

List Server Resources

# Get all resources available through a server
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/resources | jq '.'

List Server Prompts

# Get all prompts available through a server
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/prompts | jq '.'

Connect to Server via SSE

# Connect to server using Server-Sent Events
curl -N -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/sse

Update Server

# Update virtual server
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "updated-server",
    "description": "Updated description",
    "enabled": true
  }' \
  $BASE_URL/servers/$SERVER_ID | jq '.'

Enable/Disable Server

# Toggle server enabled status
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/state?activate=false | jq '.'

Delete Server

# Delete virtual server
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID | jq '.'

Resource Management

Resources are data sources (files, documents, database queries) exposed by MCP servers.

List All Resources

# First page - List all available resources (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/resources | jq '.'

Paginated Response:

{
  "resources": [
    {
      "uri": "file:///data/config.json",
      "name": "Application Config",
      "mimeType": "application/json",
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInJlczEyMyJ9"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/resources?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInJlczEyMyJ9" | jq '.'

Non-Paginated:

curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/resources?include_pagination=false" | jq '.'

Register a Resource

# Register a new resource
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '
  {"resource":
    {
      "name": "config-file",
      "uri": "file:///etc/config.json",
      "description": "Application configuration file",
      "mime_type": "application/json",
      "content": "{'key': 'value'}"
    }
  }' \
  $BASE_URL/resources | jq '.'

Get Resource Details

# Get specific resource
export RESOURCE_ID="your-resource-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/resources/$RESOURCE_ID | jq '.'

Response:

{
  "id": "res123",
  "name": "config-file",
  "uri": "file:///etc/config.json",
  "mimeType": "application/json"
}

Read Resource Content

# Get resource content
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/resources/$RESOURCE_ID | jq '.text'

Subscribe to Resource Updates

# Subscribe to resource change notifications
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/resources/subscribe/$RESOURCE_ID | jq '.'

List Resource Templates

# Get available resource templates
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/resources/templates/list | jq '.'

Update Resource

# Update resource metadata
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "description": "Updated description",
    "mime_type": "text/plain"
  }' \
  $BASE_URL/resources/$RESOURCE_ID | jq '.'

Enable/Disable Resource

# Toggle resource enabled status
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/resources/$RESOURCE_ID/state?activate=false | jq '.'

Delete Resource

# Delete resource
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/resources/$RESOURCE_ID | jq '.'

Prompt Management

Prompts are reusable templates with arguments for AI interactions.

List All Prompts

# First page - List all available prompts (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/prompts | jq '.'

Paginated Response:

{
  "prompts": [
    {
      "name": "code_review",
      "description": "Review code for best practices",
      "arguments": [...],
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInByb21wdDEyMyJ9"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/prompts?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogInByb21wdDEyMyJ9" | jq '.'

Non-Paginated:

curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/prompts?include_pagination=false" | jq '.'

Register a Prompt

# Register a new prompt template
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"prompt": {
      "name": "code-review",
      "description": "Review code for best practices",
      "template": "Review the following code and suggest improvements:\n\n{{code}}",
      "arguments": [
        {
          "name": "code",
          "description": "Code to review",
          "required": true
        }
      ]
    }
  }' \
  $BASE_URL/prompts | jq '.'

Get Prompt Details

# Get specific prompt
export PROMPT_ID="your-prompt-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/prompts/$PROMPT_ID | jq '.'

Response:

{
  "id": "prompt123",
  "name": "code-review",
  "template": "Review code: {{code}}",
  "arguments": [{"name": "code", "required": true}]
}

Execute Prompt (Get Rendered Content)

# Execute prompt with arguments
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "code": "def hello():\n    print(\"Hello\")"
  }' \
  $BASE_URL/prompts/$PROMPT_ID | jq '.'

Update Prompt

# Update prompt template
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "description": "Updated prompt description",
    "content": "New template: {{variable}}"
  }' \
  $BASE_URL/prompts/$PROMPT_ID | jq '.'

Enable/Disable Prompt

# Toggle prompt enabled status
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/prompts/$PROMPT_ID/state?activate=false | jq '.'

Delete Prompt

# Delete prompt
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/prompts/$PROMPT_ID | jq '.'

Tag Management

Tags organize and categorize gateway resources.

List All Tags

# List all available tags
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tags?entity_types=gateways%2Cservers%2Ctools%2Cresources%2Cprompts&include_entities=false" \
| jq '.'

Get Tag Entities

# Get specific tag
export TAG_NAME="your-tag-name"
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/tags/$TAG_NAME/entities" \
| jq '.'

Bulk Operations

Export Configuration

# Export all gateway configuration
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/export | jq '.' > gateway-export.json

# Export specific entities
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/export?types=tools%2Cgateways" | \
  jq '.' > partial-export.json

Import Configuration

# Import configuration from file
payload=$(jq -n \
  --arg conflict "skip" \
  --argjson dry_run false \
  --argjson import_data "$(cat gateway-export.json)" '
  {
    conflict_strategy: $conflict,
    dry_run: $dry_run,
    import_data: $import_data
  }')

curl -s -X POST \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d "$payload" \
  "$BASE_URL/import" | jq '.'

Bulk Import Tools

# Import multiple tools at once
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "conflict_strategy": "update",
    "dry_run": false,
    "import_data": {
      "version": "2025-03-26",
      "exported_at": "2025-10-24T18:41:55.776238Z",
      "exported_by": "admin@example.com",
      "source_gateway": "http://0.0.0.0:4444",
      "encryption_method": "AES-256-GCM",
      "entities": {
        "tools": [
          {
            "name": "tool1",
            "displayName": "tool1",
            "url": "http://example.com/api1",
            "integration_type": "REST",
            "request_type": "POST",
            "description": "First tool",
            "headers": {},
            "input_schema": {
              "type": "object",
              "properties": {
                "param": { "type": "string", "description": "Parameter name" }
              },
              "required": ["param"]
            }
          },
          {
            "name": "tool2",
            "displayName": "tool2",
            "url": "http://example.com/api2",
            "integration_type": "REST",
            "request_type": "GET",
            "description": "Second tool",
            "headers": {},
            "input_schema": {
              "type": "object",
              "properties": {
                "query": { "type": "string", "description": "Query string" }
              },
              "required": ["query"]
            }
          }
        ]
      }
    },
    "rekey_secret": null
  }' \
  "$BASE_URL/import" | jq '.'

A2A Agent Management

A2A (Agent-to-Agent) enables integration with external AI agents.

!!! note "A2A Feature Flag" A2A features must be enabled via MCPGATEWAY_A2A_ENABLED=true in your .env file.

List All A2A Agents

# First page - List registered A2A agents (paginated response - default)
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/a2a | jq '.'

Paginated Response:

{
  "agents": [
    {
      "id": "agent123",
      "name": "data-analyzer",
      "url": "https://agent.example.com/v1",
      ...
    }
  ],
  "nextCursor": "eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogImFnZW50MTIzIn0"
}

# Second page - Use cursor from first response
curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/a2a?cursor=eyJjcmVhdGVkX2F0IjogIjIwMjQtMDEtMDFUMTI6MDA6MDBaIiwgImlkIjogImFnZW50MTIzIn0" | jq '.'

Non-Paginated:

curl -s -H "Authorization: Bearer $TOKEN" \
  "$BASE_URL/a2a?include_pagination=false" | jq '.'

Register A2A Agent

# Register an OpenAI agent
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"agent": {
      "name": "openai-assistant",
      "agent_type": "openai",
      "endpoint_url": "https://api.openai.com/v1/chat/completions",
      "description": "OpenAI GPT-4 assistant",
      "auth_type": "bearer",
      "auth_value": "OPENAI_API_KEY"
    }
  }' \
  $BASE_URL/a2a | jq '.'

Get A2A Agent Details

# Get specific agent
export A2A_ID="your-agent-id"
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/a2a/$A2A_ID | jq '.'

Invoke A2A Agent

# Execute agent with message
export A2A_NAME="openai-assistant"

curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "message": "Explain quantum computing in simple terms"
  }' \
  $BASE_URL/a2a/$A2A_NAME/invoke | jq '.'

Update A2A Agent

# Update agent configuration
curl -s -X PUT -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4-turbo",
    "description": "Updated to use GPT-4 Turbo"
  }' \
  $BASE_URL/a2a/$A2A_ID | jq '.'

Delete A2A Agent

# Delete A2A agent
curl -s -X DELETE -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/a2a/$A2A_ID | jq '.'

OpenAPI Specification

Get OpenAPI Schema

# Get full OpenAPI specification
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/openapi.json | jq '.'

# Save OpenAPI spec to file
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/openapi.json > openapi.json

Interactive API Documentation

Access interactive Swagger UI documentation:

$BASE_URL/docs

Access ReDoc documentation:

$BASE_URL/redoc

!!! tip "Docs authentication" /docs, /redoc, and /openapi.json are JWT-protected by default. Log in to the Admin UI to get a session cookie, or enable DOCS_ALLOW_BASIC_AUTH=true and use Basic auth in the browser.

End-to-End Workflow Example

This complete example demonstrates a typical workflow: registering a gateway, discovering tools, and invoking them.

#!/bin/bash

# Configuration
export BASE_URL="http://localhost:4444"
# export BASE_URL="http://localhost:8080"  # docker-compose with nginx
# export BASE_URL="http://localhost:8000"  # make dev (uvicorn)
export TOKEN=$(python3 -m mcpgateway.utils.create_jwt_token \
  --username admin@example.com \
  --exp 10080 \
  --secret my-test-key 2>/dev/null | head -1)

echo "=== MCP Gateway E2E Test ==="
echo

# 1. Check health
echo "1. Checking gateway health..."
curl -s $BASE_URL/health | jq '.'
echo

# 2. Register a new gateway
echo "2. Registering MCP server gateway..."
GATEWAY=$(curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "test-server",
    "url": "http://localhost:9000/mcp",
    "description": "Test MCP server",
    "transport": "STREAMABLEHTTP"
  }' \
  $BASE_URL/gateways)

export GATEWAY_ID=$(echo $GATEWAY | jq -r '.id')
echo "Gateway ID: $GATEWAY_ID"
echo

# 3. List all gateways
echo "3. Listing all gateways..."
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/gateways | \
  jq '.[] | {id: .id, name: .name, enabled: .enabled}'
echo

# 4. Discover tools from the gateway
echo "4. Discovering tools..."
sleep 2  # Wait for gateway to sync
TOOLS=$(curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools)
export TOOL_ID=$(echo $TOOLS | jq -r '.[0].id')
export TOOL_NAME=$(echo $TOOLS | jq -r '.[0].name')
echo "Found tools:"
echo $TOOLS | jq '.[] | {name: .name, description: .description}' | head -20
echo

# 5. Get tool details
echo "5. Getting tool details for: $TOOL_ID"
TOOL_DETAILS=$(curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/tools/$TOOL_ID)
echo $TOOL_DETAILS | jq '{name: .name, description: .description, inputSchema: .inputSchema}'
echo

# 6. Invoke the tool
echo "6. Invoking tool: $TOOL_NAME"
RESULT=$(jq -n --arg name "$TOOL_NAME" --argjson args '{"param1":"test_value"}' \
  '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":$name,"arguments":$args}}' |
curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d @- "$BASE_URL/rpc")
echo $RESULT | jq '.'
echo

# 7. Create a virtual server
echo "7. Creating virtual server..."
SERVER=$(curl -s -X POST -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "server": {
    "name": "test-virtual-server",
    "description": "Unified server for testing",
    "associated_tools": ["'$TOOL_ID'"]
    }
  }' \
  $BASE_URL/servers)

export SERVER_ID=$(echo $SERVER | jq -r '.id')
echo "Server ID: $SERVER_ID"
echo

# 8. List server tools
echo "8. Listing tools available through virtual server..."
curl -s -H "Authorization: Bearer $TOKEN" \
  $BASE_URL/servers/$SERVER_ID/tools | \
  jq '.[] | {name: .name}' | head -10
echo

# 9. Export configuration
echo "9. Exporting gateway configuration..."
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/export | \
  jq '{gateways: .entities.gateways | length, tools: .entities.tools | length}' > export-summary.json
cat export-summary.json
echo

echo "=== E2E Test Complete ==="

Error Handling

Common Error Responses

401 Unauthorized

{
  "detail": "Authorization token required"
}

Solution: Ensure you're sending the Authorization: Bearer $TOKEN header.

404 Not Found

{
  "detail": "Tool not found"
}

Solution: Verify the resource ID exists using the list endpoint.

422 Validation Error

{
  "detail": [
    {
      "loc": ["body", "name"],
      "msg": "field required",
      "type": "value_error.missing"
    }
  ]
}

Solution: Check request payload matches the required schema.

Debug Mode

Enable verbose output for troubleshooting:

# Show full request/response including headers
curl -v -H "Authorization: Bearer $TOKEN" $BASE_URL/tools

# Save full response with headers
curl -i -H "Authorization: Bearer $TOKEN" $BASE_URL/tools > response.txt

Best Practices

Token Management
- Store tokens securely, never commit to version control
- Use short expiration times in production
- Rotate tokens regularly
Error Handling
- Always check HTTP status codes
- Parse error messages from response body
- Implement retry logic for transient failures
Performance
- Use pagination for large result sets
- Cache frequently accessed data
- Leverage HTTP compression (automatically enabled)
Security
- Use HTTPS in production (not HTTP)
- Validate SSL certificates
- Never log sensitive tokens or API keys
Testing
- Test against development server first
- Use unique names for test resources
- Clean up test data after experiments

Advanced Usage

Using jq for Advanced Filtering

# Get only enabled tools
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | \
  jq '[.[] | select(.enabled == true)]'

# Count tools by gateway
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | \
  jq 'group_by(.gatewaySlug) | map({gateway: .[0].gatewaySlug, count: length})'

# Extract specific fields
curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | \
  jq '[.[] | {id, name, description, enabled}]'

Batch Operations Script

#!/bin/bash
# batch-enable-tools.sh - Enable all tools from a specific gateway

export TOKEN="your-token"
export BASE_URL="http://localhost:4444"
# export BASE_URL="http://localhost:8080"  # docker-compose with nginx
# export BASE_URL="http://localhost:8000"  # make dev (uvicorn)
export GATEWAY_SLUG="my-gateway"

# Get all tools from the gateway
TOOLS=$(curl -s -H "Authorization: Bearer $TOKEN" $BASE_URL/tools | \
  jq -r '.[] | select(.gatewaySlug == "'$GATEWAY_SLUG'") | .id')

# Enable each tool
for TOOL_ID in $TOOLS; do
  echo "Enabling tool: $TOOL_ID"
  curl -s -X POST -H "Authorization: Bearer $TOKEN" \
    $BASE_URL/tools/$TOOL_ID/state > /dev/null
done

echo "Done!"

Support

For issues or questions:

GitHub Issues
Documentation
API Reference: $BASE_URL/openapi.json

047 API Usage 46ce9720

File contents

API Usage Guide

Prerequisites

Authentication

Pagination

Pagination Methods

Response Formats

Pagination Parameters

Examples

Health & Status

Check Server Health

Check Readiness

Get Version Information

Gateway Management

List All Gateways

Get Gateway Details

Register a New Gateway

Complete Example: Registering a Gateway

Update Gateway

Enable/Disable Gateway

Delete Gateway

Tool Management

List All Tools

Filtering and Pagination

Get Tool Details

Register a Custom Tool

Invoke a Tool

Complete Example: Tool Invocation

Update Tool

Enable/Disable Tool

Delete Tool

Virtual Server Management

List All Servers

Create Virtual Server

Get Server Details

Complete Example: Virtual Server Creation

List Server Tools

List Server Resources

List Server Prompts

Connect to Server via SSE

Update Server

Enable/Disable Server

Delete Server

Resource Management

List All Resources

Register a Resource

Get Resource Details

Read Resource Content

Subscribe to Resource Updates

List Resource Templates

Update Resource

Enable/Disable Resource

Delete Resource

Prompt Management

List All Prompts

Register a Prompt

Get Prompt Details

Execute Prompt (Get Rendered Content)

Update Prompt

Enable/Disable Prompt

Delete Prompt

Tag Management

List All Tags

Get Tag Entities

Bulk Operations

Export Configuration

Import Configuration

Bulk Import Tools

A2A Agent Management

List All A2A Agents

Register A2A Agent

Get A2A Agent Details

Invoke A2A Agent

Update A2A Agent

Delete A2A Agent

OpenAPI Specification

Get OpenAPI Schema

Interactive API Documentation

End-to-End Workflow Example