# listmonk L5 · Autonomous listmonk is free newsletter software that you run on your own server. **Can an AI agent use listmonk? Yes, without signing up.** Our agent got into listmonk on its own in 3 minutes and did all 8 of its core tasks. Category: Email marketing · Connects by: MCP, API, CLI · Agent payments: None found · Driven: 26 Oct 2026 **Level 5: Autonomous.** All of that, and nothing to pay. - Got in by: Runs locally, no account (3 minutes, no account) - Got as far as: Use: all 8 core tasks (No plan to buy) - Next: Does it all on its own; there is nothing to pay. 1 drive, awaiting confirmation [What the levels mean](https://agentdrives.com/method/levels?via=md) ## From finding it to leaving What an agent managed without a person, at each step. 1. **Find**: Partly. Docs with gaps: an OpenAPI and an MCP server; no docs on signing in. (1 doc page read) 2. **Get in**: On its own. Runs locally. (3 minutes) 3. **Use**: On its own. Did: write, preview, send and schedule email campaigns; create lists and add, change, block, export and delete subscribers. (8 of 8 core tasks) 4. **Pay**: Nothing to do. No plan to buy. 5. **Leave**: On its own. Nothing to cancel, deletes what it made. ## Getting in 1 of 2 ways in worked without a person. The way that worked: **Runs locally, no account**, 3 minutes. No inbox, browser or person needed. - Agent on a server (API, MCP, CLI): Yes. Signs up, gets an API key, makes its first API call and does all of the core work, all on its own. - Assistant in its own browser (Like ChatGPT agent): Yes. Signs up and does all of the core work, all on its own. - Signed agent (Known to Cloudflare): Yes. The site opens. | Way in | What happened | |---|---| | Runs locally, no account | Worked | | Company single sign-on | Not tried: Not part of this drive | ## What an agent can do with listmonk All 8 core tasks done, and 18 of 19 others. - Reliability: core tasks that worked on all 3 runs: 85 of 100 - Handles mistakes: clear errors, retries without duplicates, honest limits: 68 of 100 - Surface tested: documented routes, tools and commands run and checked: 90 of 100 - Docs accuracy: documented operations that behaved as the docs say: 93 of 100 - Docs completeness: how fully the docs describe each operation: 54 of 100 Core tasks: | Task | Result | Done through | |---|---|---| | Draft an email campaign | Done | API | | Send an email campaign | Done | API | | Schedule an email campaign | Done | API | | Create a list and add contacts to it | Done | API | | Add a contact or subscriber | Done | API | | Create an email template | Done | API | | Send a transactional email | Done | API | | Read campaign performance | Done | API | 18 of 19 other tasks done: - Update a contact or subscriber: Done - Delete a contact or subscriber: Done - Create a segment with a SQL query: Done - Manage suppressions (blocklist subscribers): Done - Require double opt-in confirmation: Done - Create a signup/subscription form: Done - Set up a subscriber preference / unsubscribe page: Done - Send a test campaign email: Done - Publish a campaign to the public web archive: Done - Track email opens and link clicks: Done - Upload a file to the media library: Done - Send an email with a file attachment: Done - Bulk-import subscribers from a CSV/ZIP file: Done - Export a subscriber's data: Done - Register a bounce or messenger webhook endpoint: Done - Set a user's role and list permissions: Done - Create a scoped API key (API user): Done - Configure system settings (SMTP, bounces, appearance): Done - Invite/create a system user: Partly What it can't do, and why: - Create a limited-access API key without a browser: The docs describe users, roles and tokens for the web dashboard only. - Clear a subscriber's activity history: The documented call answers 404 on the tested version. **Surface audit:** 103 documented operations, 94 run, 93 passed, 7 not as documented, 9 blocked (sandbox or plan limits). ## How an agent connects MCP, API, OpenAPI and CLI found. Agent surfaces: API tested · MCP documented · CLI tested · SDK none found · Docs tested · Agent payments none found. Issues found: 8. - **MCP server**: Yes. Third-party servers only. Listmonk-mcp (18 tools, stdio), listed on the SDK page. - **API**: All tested. REST, 72 operations in the spec. (81 operations across its docs) - **OpenAPI**: Yes. 3.0.0, no security scheme, only 200 responses. - **CLI**: 8 tested. the binary's install/upgrade flags. (10 commands across its docs) - **SDK**: None found. third-party clients only. - **llms.txt**: None found. - **Agent payments**: None found. The checkout wasn't reached. - **Docs**: Thin. Covers getting started. No auth, error codes or code examples. 8 of 8 documented ways to do the core work worked when tried. (1 pages read) [The standards](https://agentdrives.com/standard) ## Tips for agent builders - Install with LISTMONK_ADMIN_USER, LISTMONK_ADMIN_PASSWORD and LISTMONK_ADMIN_API_USER on ./listmonk --install; the API token is printed to stderr - Authenticate with the header Authorization: token user:token (or BasicAuth) - Send "messenger":"email" on campaign create and test calls - Create the uploads folder next to the binary before POST /api/media - Pass before_date as an RFC 3339 query parameter to the maintenance deletes ## How listmonk compares In Email marketing: 1st of 4 Email marketing products our agent got into on its own. - **listmonk** (this page): L5, Gets in on its own - [Buttondown](https://agentdrives.com/tools/buttondown.md?via=md): L4, Gets in on its own - [Kit](https://agentdrives.com/tools/kit.md?via=md): L4, Gets in on its own - [Constant Contact](https://agentdrives.com/tools/constantcontact.md?via=md): L4, Gets in on its own - [ActiveCampaign](https://agentdrives.com/tools/activecampaign.md?via=md): L1, Can't get an API key on its own - [beehiiv](https://agentdrives.com/tools/beehiiv.md?via=md): L1, Can't sign up on its own - [Brevo](https://agentdrives.com/tools/brevo.md?via=md): L1, Stopped at delete - [Klaviyo](https://agentdrives.com/tools/klaviyo.md?via=md): L1, Can't sign up on its own [All 10 in Email marketing](https://agentdrives.com/categories/email-marketing?via=md) Sorted by level, then work done, then time to the first call. [How we rank](https://agentdrives.com/method?via=md#order) On our standard (10 criteria, each against the other email marketing products we measured on it): - [The best way in is built for agents](https://agentdrives.com/standard#in-12): **The best result** All 6 others lower. - [Pages fit one fetch](https://agentdrives.com/standard#docs-08): **Ahead of most** 5 of 6 others lower, 1 the same. - [Every way in works for an agent](https://agentdrives.com/standard#in-11): **In the middle** 3 of 6 others lower, 3 the same. - [Export before leaving](https://agentdrives.com/standard#leave-03): **In the middle** 2 of 6 others lower, 3 the same, 1 higher. - [WebMCP tools on the web app](https://agentdrives.com/standard#proto-02): **The same as all** 5 others. - [Spend an agent can see and cap](https://agentdrives.com/standard#pay-05): **Level with most** 5 of 6 others the same, 1 higher. - [A path written for agents](https://agentdrives.com/standard#docs-10): **In the middle** 3 of 6 others the same, 3 higher. - [One way to page through lists](https://agentdrives.com/standard#api-03): **Behind most** 4 of 6 others higher, 2 the same. - [Versions an agent can pin](https://agentdrives.com/standard#api-07): **Behind most** 5 of 6 others higher, 1 the same. - [Docs an agent can navigate](https://agentdrives.com/standard#docs-11): **The lowest result** All 6 others higher. [How each criterion is graded](https://agentdrives.com/standard) ## For the team behind listmonk **6 things to fix for agents.** Agent surfaces: 8 issues found. Safety review: no issues found. Our agent got through Find only in part. Prove listmonk is yours, then see where each issue is, read your safety findings and ask for a free drive after a fix. How to fix each one comes with the Audit. - Find: Partly - Get in: Clear - Use: Clear - Pay: Clear - Leave: Clear [Claim listmonk, free](https://agentdrives.com/app/products?add=listmonk.app&ref=listing) · [What a drive covers](https://agentdrives.com/method?via=md) ## Where listmonk fits - Category: [Marketing](https://agentdrives.com/categories/marketing?via=md), [Email marketing](https://agentdrives.com/categories/email-marketing?via=md) - Tasks: [Create an API key](https://agentdrives.com/tasks/create-an-api-key), [Register a webhook](https://agentdrives.com/tasks/register-a-webhook), [Set a member's role or permissions](https://agentdrives.com/tasks/set-a-member-s-role-or-permissions), [Export data to a file](https://agentdrives.com/tasks/export-data-to-a-file), [Import data from a file or another tool](https://agentdrives.com/tasks/import-data-from-a-file-or-another-tool), [Change account settings](https://agentdrives.com/tasks/change-account-settings) - Standards: [MCP](https://agentdrives.com/standards/mcp) (tools an agent can call), [OpenAPI](https://agentdrives.com/standards/openapi) (its API, described) - Steps: [Find](https://agentdrives.com/access/find), [Get in](https://agentdrives.com/access/get-in), [Use](https://agentdrives.com/access/use), [Pay](https://agentdrives.com/access/pay), [Leave](https://agentdrives.com/access/leave) - Rivals: [Buttondown](https://agentdrives.com/tools/buttondown?via=md) (L4), [Constant Contact](https://agentdrives.com/tools/constantcontact?via=md) (L4), [Kit](https://agentdrives.com/tools/kit?via=md) (L4) ## Cited in 3 articles - [CLI for AI agents: 11 of 14 databases have one](https://agentdrives.com/research/which-kinds-of-software-give-ai-agents-a-cli-or-mcp-server?via=md) - [How to let AI agents sign up for your product](https://agentdrives.com/guides/let-ai-agents-sign-up?via=md) - [Can AI agents sign up for software? We drove 185](https://agentdrives.com/research/can-ai-agents-sign-up?via=md) Data: [JSON](https://agentdrives.com/api/tools/listmonk.json?via=md) · [Markdown](https://agentdrives.com/tools/listmonk.md?via=md) · [History](https://agentdrives.com/tools/listmonk/history?via=md) · [Atom](https://agentdrives.com/feeds/tools/listmonk.atom) · [JSON Feed](https://agentdrives.com/feeds/tools/listmonk.json) · licence [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) **Found an error?** [Tell us on this page](https://agentdrives.com/tools/listmonk?via=md#correct) or read [how corrections work](https://agentdrives.com/corrections?via=md).