Neon Automation

Automate your Neon serverless Postgres workflows -- list projects and branches, inspect databases, retrieve connection URIs, manage roles, and integrate Neon database operations into cross-app pipelines.

Toolkit docs: composio.dev/toolkits/neon

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Setup

1. Add the Composio MCP server to your client: https://rube.app/mcp
2. Connect your Neon account when prompted (API key authentication)
3. Start using the workflows below

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Core Workflows

1. List Projects

Use NEON_RETRIEVE_PROJECTS_LIST to discover all projects associated with the authenticated user.

Tool: NEON_RETRIEVE_PROJECTS_LIST
Inputs:
  - org_id: string (REQUIRED when using a personal API key)
  - limit: integer (1-400, default 10)
  - cursor: string (pagination cursor from previous response)
  - search: string (search by project name or ID, supports partial match)
  - timeout: integer (milliseconds; returns partial results on timeout)

Important: When using a personal API key, org_id is required. Retrieve it first via NEON_GET_USER_ORGANIZATIONS.

2. Get Project Details

Use NEON_ACCESS_PROJECT_DETAILS_BY_ID to inspect project configuration, owner info, and consumption metrics.

Tool: NEON_ACCESS_PROJECT_DETAILS_BY_ID
Inputs:
  - project_id: string (required) -- format: "adjective-noun-number", e.g., "dry-smoke-26258271"

3. List Branches for a Project

Use NEON_GET_BRANCHES_FOR_PROJECT to enumerate branches (development stages) within a project.

Tool: NEON_GET_BRANCHES_FOR_PROJECT
Inputs:
  - project_id: string (required)
  - search: string (optional, search by branch name or ID)

4. List Databases on a Branch

Use NEON_FETCH_DATABASE_FOR_BRANCH to inventory databases within a specific project and branch.

Tool: NEON_FETCH_DATABASE_FOR_BRANCH
Inputs:
  - project_id: string (required)
  - branch_id: string (required)

5. Get Connection URI

Use NEON_GET_PROJECT_CONNECTION_URI to obtain a Postgres connection string for a project/branch/database.

Tool: NEON_GET_PROJECT_CONNECTION_URI
Inputs:
  - project_id: string (required)
  - database_name: string (required) -- e.g., "neondb"
  - role_name: string (required) -- e.g., "neondb_owner"
  - branch_id: string (optional, defaults to project default branch)
  - endpoint_id: string (optional, defaults to read-write endpoint)
  - pooled: boolean (optional, adds -pooler for connection pooling)

Security: The returned URI includes credentials. Treat it as a secret -- do not log or share it.

6. Inspect Database Details and Roles

Use NEON_RETRIEVE_BRANCH_DATABASE_DETAILS to verify a database before connecting, and NEON_GET_BRANCH_ROLES_FOR_PROJECT to list available roles.

Tool: NEON_RETRIEVE_BRANCH_DATABASE_DETAILS
Inputs:
  - project_id: string (required)
  - branch_id: string (required)
  - database_name: string (required)

Tool: NEON_GET_BRANCH_ROLES_FOR_PROJECT
Inputs:
  - project_id: string (required)
  - branch_id: string (required)

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Known Pitfalls

Pitfall	Detail
org_id required	NEON_RETRIEVE_PROJECTS_LIST returns HTTP 400 "org_id is required" when using a personal API key. Call NEON_GET_USER_ORGANIZATIONS first.
Incomplete pagination	Project lists may be incomplete without pagination. Iterate using cursor until it is empty.
Rate limiting	NEON_RETRIEVE_PROJECTS_LIST returns HTTP 429 on bursty listing. Avoid redundant calls and back off before retrying.
Invalid role/database pairing	NEON_GET_PROJECT_CONNECTION_URI returns 401/403 when the database_name/role_name pairing is invalid. Use NEON_GET_BRANCH_ROLES_FOR_PROJECT to select an allowed role.
Connection URI is a secret	The returned URI includes credentials. Never log, display, or share it in plain text.

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Quick Reference

Tool Slug	Description
NEON_RETRIEVE_PROJECTS_LIST	List all Neon projects with pagination and search
NEON_ACCESS_PROJECT_DETAILS_BY_ID	Get project configuration and consumption metrics
NEON_GET_BRANCHES_FOR_PROJECT	List branches within a project
NEON_FETCH_DATABASE_FOR_BRANCH	List databases on a specific branch
NEON_GET_PROJECT_CONNECTION_URI	Get a Postgres connection URI (with credentials)
NEON_RETRIEVE_BRANCH_DATABASE_DETAILS	Inspect database metadata and settings
NEON_GET_USER_ORGANIZATIONS	List organizations for the authenticated user
NEON_CREATE_API_KEY_FOR_ORGANIZATION	Create a new API key for an organization
NEON_GET_BRANCH_ROLES_FOR_PROJECT	List roles available on a branch

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