MCP server in namespace io.github
io.github.cyanheads/mailchimp-mcp-server · Status: active
The source provides no name of its own for this entry. The identifier therefore appears on this page as a coordinate, not as the heading.
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- Registry name
io.github.cyanheads/mailchimp-mcp-server- Package coordinate
npm:@cyanheads/mailchimp-mcp-server- Version
0.3.8- Listed in the registry
- 2026-08-22
- Changed in the registry
- 2026-08-22
- First seen by tracevero
- 2026-08-06
- Vendor's website
- https://github.com/cyanheads/mailchimp-mcp-server
Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.
Vendor's own description, untranslated and unverified
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean
Measured values
| Credentials required | no Raw declaration – Required secret variables (raw): confirmed absent Raw declaration – Required secret headers (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived |
|---|---|
| Execution location | local Raw declaration – Transports (raw): stdio, streamable-http Source: MCP-Register · collected on 2026-08-06 · derived |
| Path argument present | no Raw declaration – Path arguments (raw): confirmed absent Raw declaration – Path environment variables (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived |
| Repository URL listed | yes Raw declaration – Repository (raw): https://github.com/cyanheads/mailchimp-mcp-server Source: MCP-Register · collected on 2026-08-06 · derived |
| Version | 0.3.8 Source: MCP-Register · collected on 2026-08-23 · self-declared |
Position within the holdings
How many of the 24,717 published entries carry the same measured value. A reference figure, not an assessment.
- Credentials requiredno20,455 of 24,717 carry this value (83 %)View these entries
- Execution locationlocal12,180 of 24,717 carry this value (49 %)View these entries
- Path argument presentno24,480 of 24,717 carry this value (99 %)View these entries
- Repository URL listedyes19,247 of 24,717 carry this value (78 %)View these entries
All 4 values together are carried by 8,596 of 24,717 entries.
This entry appears in these selections
The source's raw values23
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.
| Environment variables (raw) | MAILCHIMP_API_KEY, MAILCHIMP_BASE_URL, MAILCHIMP_TIMEOUT_MS, MAILCHIMP_MAX_RETRIES, MAILCHIMP_CONCURRENCY_LIMIT, MAILCHIMP_ASSETS_DIR, MAILCHIMP_TEMPLATES_DIR, MCP_LOG_LEVEL, MAILCHIMP_API_KEY, MAILCHIMP_BASE_URL, MAILCHIMP_TIMEOUT_MS, MAILCHIMP_MAX_RETRIES, MAILCHIMP_CONCURRENCY_LIMIT, MCP_HTTP_HOST, MCP_HTTP_PORT, MCP_HTTP_ENDPOINT_PATH, MCP_AUTH_MODE, MCP_LOG_LEVEL Source: MCP-Register · collected on 2026-08-06 · self-declared |
|---|---|
| Required secret variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Transports (raw) | stdio, streamable-http Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Path arguments (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Repository (raw) | https://github.com/cyanheads/mailchimp-mcp-server Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Package registries (raw) | npm, npm Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret headers (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Path environment variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote URLs (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote hosts (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Registry status message (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| First listed in the registry (raw) | 2026-08-22 Source: MCP-Register · collected on 2026-08-23 · self-declared |
| Last changed in the registry (raw) | 2026-08-22 Source: MCP-Register · collected on 2026-08-23 · self-declared |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Delivery form (raw) | paket Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository platform (raw) | github Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository subfolder (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package identifiers (raw) | @cyanheads/mailchimp-mcp-server Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package versions (raw) | 0.3.8 Source: MCP-Register · collected on 2026-08-23 · self-declared |
| Runtime hints (raw) | bun Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable formats (raw) | string Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable descriptions (raw) | MAILCHIMP_API_KEY=Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys. · MAILCHIMP_ASSETS_DIR=Absolute path to a local assets directory. When set (Node-only — Workers ignored), enables the `mailchimp_assets` tool and auto-uploads `@assets/<path>` references in campaign HTML to Mailchimp File Manager at send time. Cache at <dir>/.mailchimp-cache.json. · MAILCHIMP_BASE_URL=Override the API base URL (for mock servers or testing). Defaults to 'https://{dc}.api.mailchimp.com/3.0' derived from the API key suffix. · MAILCHIMP_CONCURRENCY_LIMIT=Max in-flight upstream requests per workflow tool (1-10). · MAILCHIMP_MAX_RETRIES=Max retry attempts for transient upstream failures (0-10). · MAILCHIMP_TEMPLATES_DIR=Absolute path to a local templates directory. When set (Node-only), enables the `mailchimp_local_templates` tool and support for `content.localTemplate` on campaign tools. Templates are `.eta` files with optional `<name>.meta.yaml` sidecars. Canonical write path on free-tier Mailchimp. · MAILCHIMP_TIMEOUT_MS=Per-request timeout in milliseconds. · MCP_AUTH_MODE=Authentication mode to use: 'none', 'jwt', or 'oauth'. · MCP_HTTP_ENDPOINT_PATH=The endpoint path for the MCP server. · MCP_HTTP_HOST=The hostname for the HTTP server. · MCP_HTTP_PORT=The port to run the HTTP server on. · MCP_LOG_LEVEL=Sets the minimum log level for output (e.g., 'debug', 'info', 'warn'). Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Icon formats (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
Changes
| 2026-08-23 | Version: 0.3.7 → 0.3.8 |
|---|---|
| 2026-08-23 | Last changed in the registry (raw): 2026-06-16 → 2026-08-22 |
| 2026-08-23 | First listed in the registry (raw): 2026-06-16 → 2026-08-22 |
| 2026-08-23 | Package versions (raw): 0.3.7 → 0.3.8 |
| 2026-08-16 | Last changed in the registry (raw): – → 2026-06-16 |
| 2026-08-16 | First listed in the registry (raw): – → 2026-06-16 |
| 2026-08-16 | Registry status message (raw): – → – |
| 2026-08-16 | Schema version of the raw record (raw): – → https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json |
| 2026-08-16 | Icon formats (raw): – → – |
| 2026-08-16 | Environment variable descriptions (raw): – → MAILCHIMP_API_KEY=Mailchimp Marketing API key, including the '-dc' data-center suffix (e.g. 'abc...-us22'). Generate at Mailchimp → Account → Extras → API keys. · MAILCHIMP_ASSETS_DIR=Absolute path to a local assets directory. When set (Node-only — Workers ignored), enables the `mailchimp_assets` tool and auto-uploads `@assets/<path>` references in campaign HTML to Mailchimp File Manager at send time. Cache at <dir>/.mailchimp-cache.json. · MAILCHIMP_BASE_URL=Override the API base URL (for mock servers or testing). Defaults to 'https://{dc}.api.mailchimp.com/3.0' derived from the API key suffix. · MAILCHIMP_CONCURRENCY_LIMIT=Max in-flight upstream requests per workflow tool (1-10). · MAILCHIMP_MAX_RETRIES=Max retry attempts for transient upstream failures (0-10). · MAILCHIMP_TEMPLATES_DIR=Absolute path to a local templates directory. When set (Node-only), enables the `mailchimp_local_templates` tool and support for `content.localTemplate` on campaign tools. Templates are `.eta` files with optional `<name>.meta.yaml` sidecars. Canonical write path on free-tier Mailchimp. · MAILCHIMP_TIMEOUT_MS=Per-request timeout in milliseconds. · MCP_AUTH_MODE=Authentication mode to use: 'none', 'jwt', or 'oauth'. · MCP_HTTP_ENDPOINT_PATH=The endpoint path for the MCP server. · MCP_HTTP_HOST=The hostname for the HTTP server. · MCP_HTTP_PORT=The port to run the HTTP server on. · MCP_LOG_LEVEL=Sets the minimum log level for output (e.g., 'debug', 'info', 'warn'). |
These are the 10 most recent changes to this entry. Full history
tracevero · https://tracevero.com/mcp/io-github-cyanheads-mailchimp-mcp-server