Zoho CRM MCP Server
Exposes Zoho CRM v6 REST API as structured tools for LLM agents via MCP, enabling CRUD operations, search, COQL queries, and more.
README
Zoho CRM MCP Server
A Model Context Protocol (MCP) server that exposes the Zoho CRM v6 REST API as structured tools for LLM agents. Built on FastMCP with async httpx, pydantic v2 configuration, and an OAuth2 refresh-token flow.
Features
- OAuth2 refresh-token exchange with in-memory access-token caching (1 hour TTL)
- Automatic retry once on HTTP 401 after forcing a token refresh
- Typed errors (
AuthenticationError,NotFoundError,RateLimitError,APIError) - Region-aware endpoints:
com,eu,in,com.au,jp - Full CRUD for any CRM module, plus search, COQL, module metadata, user listing, and related-list traversal
Requirements
- Python 3.10+
mcp>=1.27,<2httpx>=0.27.1,<1.0.0pydantic>=2.12,pydantic-settings>=2.5.2
Install
python3 -m venv .venv
source .venv/bin/activate
pip install -e ".[dev]"
Configuration
All settings use the ZOHO_ env prefix (or a .env file):
| Variable | Default | Description |
|---|---|---|
ZOHO_CLIENT_ID |
- | OAuth2 client id |
ZOHO_CLIENT_SECRET |
- | OAuth2 client secret |
ZOHO_REFRESH_TOKEN |
- | OAuth2 refresh token |
ZOHO_REGION |
com |
One of com, eu, in, com.au, jp |
ZOHO_TIMEOUT |
30 |
HTTP timeout in seconds |
Run
zoho-crm-mcp
Or register it in an MCP-capable client with the stdio command above.
Tools
| Tool | Zoho CRM endpoint |
|---|---|
list_records |
GET /crm/v6/{module} |
get_record |
GET /crm/v6/{module}/{id} |
create_record |
POST /crm/v6/{module} |
update_record |
PUT /crm/v6/{module}/{id} |
delete_record |
DELETE /crm/v6/{module}/{id} |
search_records |
GET /crm/v6/{module}/search |
list_modules |
GET /crm/v6/settings/modules |
get_module |
GET /crm/v6/settings/modules/{module} |
list_users |
GET /crm/v6/users |
coql_query |
POST /crm/v6/coql |
list_related_records |
GET /crm/v6/{module}/{id}/{related_list} |
Test
pytest -x --tb=short
License
MIT
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