How to connect Thanks.io to Hermes Agent
Connect Thanks.io to Hermes with ClawLink: paste your Thanks.io key once and 29 tools work from chat. No MCP server to run, nothing stored on your machine.


thanks.io is a direct mail automation platform that enables users to send personalized postcards, letters, and notecards with handwritten fonts.. Once connected, Hermes Agent can read and act on Thanks.io from chat — pairing, token refresh, and tool wiring handled for you.
Most guides for giving Hermes Agent Thanks.io access start with registering your own OAuth app or pasting API keys into env files, then leave the token refresh and tool wiring to you. ClawLink gives Hermes a more practical Thanks.io setup: pair once in the browser and your always-on Hermes agent can act on Thanks.io for you, reading and doing real work on your behalf with no auth, token refresh, or tool wiring to build yourself.
Setup
It takes three steps to connect Hermes to Thanks.io.
1Install and pair
Install the ClawLink plugin, then pair Hermes with a one-time browser approval:
hermes plugins install ClawLink-HQ/hermes-plugin --enable- 2
Connect Thanks.io
Paste your API key in the dashboard.
- 3
Use it from chat
Ask Hermes Agent: "What can you do with Thanks.io?"
Install by command
The prompt above walks Hermes through this. By hand, it is four commands and a browser approval:
hermes plugins install ClawLink-HQ/hermes-plugin --enable
hermes clawlink begin # prints an approval link — open it and approve
hermes clawlink finish # after approving in the browser
hermes clawlink testThen connect Thanks.io in the ClawLink dashboard — paste your Thanks.io API key once.
Verify the connection by asking Hermes:
List the relevant items in Thanks.io, group them by priority, and recommend what Hermes should do next.
Using a different agent?
The Hermes plugin is one client of ClawLink's MCP server. Claude Code, Cursor, Codex, or any agent that can run a shell command pairs with the same ClawLink account through the CLI:
npx -y @useclawlink/cli loginlogin opens the same browser approval and stores a credential locally. Once Thanks.io is connected in the dashboard, that agent calls the same 29 Thanks.io tools over MCP. Full setup for MCP clients and shell agents: connect apps to any AI agent.
Thanks.io MCP for Hermes
Looking for a Thanks.io MCP server for Hermes Agent? ClawLink connects Thanks.io to Hermes Agent and exposes 29 Thanks.io tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself. Using OpenClaw instead? The OpenClaw Thanks.io integration works the same way.
What the Hermes Agent Thanks.io integration can do
29 Thanks.io tools are ready for Hermes Agent once the account is connected. The 25 below are the ones people reach for most; your agent can call all 29.
25 of 29 Thanks.io tools for Hermes
| Tool | What it does |
|---|---|
List handwriting styles thanks_io_list_handwriting_styles | Retrieve available handwriting styles |
List image templates thanks_io_list_image_templates | Retrieve a list of available image templates |
List mailing lists thanks_io_list_mailing_lists | List all mailing lists |
List message templates thanks_io_list_message_templates | List available message templates |
Order preview letter thanks_io_order_preview_letter | Preview a letter send as PDF |
Order preview notecard thanks_io_order_preview_notecard | Preview a notecard send |
Order preview windowless letter thanks_io_order_preview_windowless_letter | Preview a windowless letter send |
Orders list thanks_io_orders_list | List recent orders |
Orders search by address thanks_io_orders_search_by_address | Search orders by recipient street address |
Recipients get details thanks_io_recipients_get_details | Get details for a specific recipient by ID |
Recipients search by email thanks_io_recipients_search_by_email | Search recipients by email across mailing lists |
Sub accounts list thanks_io_sub_accounts_list | List all available sub-accounts |
Sub accounts show thanks_io_sub_accounts_show | Retrieve details for a specific sub-account by ID |
Add recipient to mailing list thanks_io_add_recipient_to_mailing_list | Add a new recipient to a mailing list |
Create mailing list thanks_io_create_mailing_list | Create a new mailing list |
Execute stored send thanks_io_execute_stored_send | Execute a previously created stored send |
Mailing lists buy radius search thanks_io_mailing_lists_buy_radius_search | Buy or append a radius search mailing list based on address and radius |
Recipients create multi thanks_io_recipients_create_multi | Create multiple recipients at once in a mailing list |
Recipients update thanks_io_recipients_update | Update existing recipient details by recipient ID |
Send postcard thanks_io_send_postcard | Send a customized postcard |
Stored send notecard thanks_io_stored_send_notecard | Create a stored send for a notecard |
Stored send postcard thanks_io_stored_send_postcard | Create a stored send for a postcard |
Stored send windowless letter thanks_io_stored_send_windowless_letter | Create a stored send for a windowless letter |
Sub accounts create thanks_io_sub_accounts_create | Create a new sub-account |
Sub accounts update thanks_io_sub_accounts_update | Update details for a specific sub-account |
Try it: find the Thanks.io tool you need
Browse the 25 Thanks.io tools
Click any tool to see exactly what Hermes can do and copy a ready-to-use prompt.
Example prompts
List the relevant items in Thanks.io, group them by priority, and recommend what Hermes should do next.
List the relevant items in Thanks.io, group them by priority, and recommend what Hermes should do next.
List the relevant items in Thanks.io, group them by priority, and recommend what Hermes should do next.
List the relevant items in Thanks.io, group them by priority, and recommend what Hermes should do next.
ClawLink vs. building it yourself
The alternative to ClawLink is usually manual API key setup plus your own token handling, permission troubleshooting, and tool plumbing for Hermes Agent. That is fine if you want to build and maintain the integration yourself. Most teams just want Thanks.io working from chat.
| Manual | ClawLink | |
|---|---|---|
| Credential handling | Collect, validate, store, and rotate the Thanks.io API key yourself, then make sure every tool call uses the right account. | Users complete the hosted ClawLink setup once and the connected Thanks.io account becomes available to the agent without you building credential management. |
| Ongoing maintenance | You own refresh logic, permission debugging, environment config, and every provider-specific edge case for Thanks.io. | ClawLink handles the repetitive integration plumbing so your team can focus on the workflow instead of the infrastructure. |
| Agent usability | You still need to expose the right Thanks.io actions to the runtime in a format your agent can reliably use. | 29 tools for Thanks.io are already exposed through ClawLink, so the agent can read and act from chat immediately. |
ClawLink vs. Composio
Composio also exposes Thanks.io to AI agents. It is developer infrastructure: Python and TypeScript SDKs, an MCP server, and a catalog past 1,000 apps, aimed at teams shipping agent products. ClawLink is built for Hermes Agent users instead. You install the plugin once, connect Thanks.io in the browser, and the 29 tools above work from chat. There is no SDK and no config file, and the Thanks.io key you paste at setup is stored server-side rather than kept in your environment. Choosing between them? Read the full Composio alternatives comparison.
Troubleshooting
Hermes paired but still can't use Thanks.io
Pairing is a two-step handshake: run hermes clawlink begin, approve the link in your browser, then run hermes clawlink finish. If you ran finish before approving, or the approval link expired, run hermes clawlink begin again to get a fresh link. Confirm the plugin was installed with --enable, then verify with hermes clawlink test.
Connection succeeds but no tools appear
Reconnect Thanks.io from the dashboard, then start a fresh chat if the runtime still has the old tool catalog loaded.
"Tool schema not loaded yet" error when calling Thanks.io tools
Thanks.io tool schemas load on demand the first time a tool runs and are cached after that, so this error usually clears on its own: wait a few seconds and retry the same request. If every Thanks.io call keeps failing with it in a fresh chat, reconnect from the dashboard, and contact support if it still persists — that pattern points to a configuration problem on our side, not something you can fix by reconnecting again.
Thanks.io returns 403 or "permission denied" on one action while others work
Two usual causes. The connected account may not have access to the specific workspace, inbox, store, or project in the request — check that first. If access looks right, the agent may have sent a placeholder value (like "YOUR_ID" or an example id from documentation) instead of a real one: ask it to run a list or search tool first, then retry the action with a real id from those results. Most failures at this stage are one of these two, not ClawLink bugs.
API key setup works but results look incomplete
Double-check that the API key for Thanks.io has the right scopes or account access. A valid key can still be too limited for some reads or writes.
FAQ
Is there a Hermes Agent Thanks.io integration?
Yes. ClawLink is the fastest way to connect Hermes to Thanks.io: link your Thanks.io account once in the browser and Hermes Agent can call the Thanks.io API through 29 ready-made tools — no custom code or token handling.
How do I connect Thanks.io to Hermes with ClawLink?
Install the plugin with hermes plugins install ClawLink-HQ/hermes-plugin --enable, then pair once: run hermes clawlink begin, approve the link in your browser, and run hermes clawlink finish. Connect Thanks.io in the dashboard and Hermes can use it from the next message — no config files, and the Thanks.io key you paste is stored server-side instead of in your environment.
How long does it take to connect Thanks.io to Hermes Agent?
About two minutes. Sign in, click Connect next to Thanks.io in the dashboard, authenticate, and Hermes Agent can use it from the next chat message.
Why use ClawLink instead of wiring Thanks.io up myself?
The alternative to ClawLink is usually manual API key setup plus your own token handling, permission troubleshooting, and tool plumbing for Hermes Agent. That is fine if you want to build and maintain the integration yourself. Most teams just want Thanks.io working from chat.
Hermes paired but still can't use Thanks.io
Pairing is a two-step handshake: run hermes clawlink begin, approve the link in your browser, then run hermes clawlink finish. If you ran finish before approving, or the approval link expired, run hermes clawlink begin again to get a fresh link. Confirm the plugin was installed with --enable, then verify with hermes clawlink test.