How to connect Quaderno to Hermes Agent
Connect Quaderno to Hermes with ClawLink: paste your Quaderno key once and 76 tools work from chat. No MCP server to run, nothing stored on your machine.
QuadernoAPI KEYMCPQuaderno is a tax compliance platform that automates tax calculations, invoicing, and reporting for businesses worldwide.. Once connected, Hermes Agent can read and act on Quaderno from chat — pairing, token refresh, and tool wiring handled for you.
Most guides for giving Hermes Agent Quaderno 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 Quaderno setup: pair once in the browser and your always-on Hermes agent can act on Quaderno 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 Quaderno.
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 Quaderno
Paste your API key in the dashboard.
- 3
Use it from chat
Ask Hermes Agent: "What can you do with Quaderno?"
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 Quaderno in the ClawLink dashboard — paste your Quaderno API key once.
Verify the connection by asking Hermes:
Use Quaderno to calculate tax rate and walk me through the result in plain English.
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 Quaderno is connected in the dashboard, that agent calls the same 76 Quaderno tools over MCP. Full setup for MCP clients and shell agents: connect apps to any AI agent.
Quaderno MCP for Hermes
Looking for a Quaderno MCP server for Hermes Agent? ClawLink connects Quaderno to Hermes Agent and exposes 76 Quaderno tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself. Using OpenClaw instead? The OpenClaw Quaderno integration works the same way.
What the Hermes Agent Quaderno integration can do
76 Quaderno tools are ready for Hermes Agent once the account is connected. The 30 below are the ones people reach for most; your agent can call all 76.
30 of 76 Quaderno tools for Hermes
| Tool | What it does |
|---|---|
Calculate tax rate quaderno_calculate_tax_rate | Calculate applicable tax rate for given address and transaction type |
Get authorization quaderno_get_authorization | Retrieve account credentials and verify API access |
Get estimate quaderno_get_estimate | Retrieve the details of an existing estimate by ID |
List contacts quaderno_list_contacts | List contacts, paginated and filterable by name, email, or tax ID |
List coupons quaderno_list_coupons | List all coupons |
List credits quaderno_list_credits | List all credit notes from Quaderno |
List estimates quaderno_list_estimates | List all estimates in the account, paginated and sorted by creation date (newest first) |
List evidence quaderno_list_evidence | List all evidence objects |
List expenses quaderno_list_expenses | List all expenses from Quaderno with pagination support |
List invoices quaderno_list_invoices | List all invoices from Quaderno with filtering support |
List jurisdictions quaderno_list_jurisdictions | List all tax jurisdictions |
List products quaderno_list_products | List all products (goods and services) from your Quaderno account |
List receipts quaderno_list_receipts | List all receipts from Quaderno with optional filtering by search query, date range, payment |
List recurrings quaderno_list_recurrings | List all recurring documents (invoices, expenses, or estimates) from your Quaderno account |
List registered tax i ds quaderno_list_registered_tax_i_ds | List all registered tax IDs |
List reporting requests quaderno_list_reporting_requests | Retrieves all reporting requests for the account with their current status and download URLs |
List sessions quaderno_list_sessions | List Quaderno Checkout sessions with optional filtering and pagination |
List tax codes quaderno_list_tax_codes | List all supported tax codes |
List webhooks quaderno_list_webhooks | List all webhooks |
Ping quaderno_ping | Check if the Quaderno API service is up and verify credentials |
Retrieve contact quaderno_retrieve_contact | Retrieve details of an existing contact by ID |
Retrieve contact by processor ID quaderno_retrieve_contact_by_processor_id | Retrieve a contact by external payment processor customer ID and gateway name |
Retrieve coupon quaderno_retrieve_coupon | Retrieve detailed information about a specific coupon by its ID |
Retrieve credit quaderno_retrieve_credit | Retrieve details of an existing credit note by ID |
Retrieve evidence quaderno_retrieve_evidence | Retrieves a specific evidence object by its ID |
Retrieve expense quaderno_retrieve_expense | Retrieve details of an existing expense by ID |
Retrieve invoice quaderno_retrieve_invoice | Retrieve details of an existing invoice by ID |
Retrieve jurisdiction quaderno_retrieve_jurisdiction | Retrieve a tax jurisdiction by ID |
Retrieve product quaderno_retrieve_product | Retrieve details of an existing product by ID |
Retrieve receipt quaderno_retrieve_receipt | Retrieve details of an existing receipt by ID |
Try it: find the Quaderno tool you need
Browse the 30 Quaderno tools
Click any tool to see exactly what Hermes can do and copy a ready-to-use prompt.
Example prompts
Use Quaderno to calculate tax rate and walk me through the result in plain English.
Pull the relevant data from Quaderno, summarize it in plain English, and point out anything that needs attention.
List the relevant items in Quaderno, 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 Quaderno working from chat.
| Manual | ClawLink | |
|---|---|---|
| Credential handling | Collect, validate, store, and rotate the Quaderno API key yourself, then make sure every tool call uses the right account. | Users complete the hosted ClawLink setup once and the connected Quaderno 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 Quaderno. | 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 Quaderno actions to the runtime in a format your agent can reliably use. | 76 tools for Quaderno are already exposed through ClawLink, so the agent can read and act from chat immediately. |
ClawLink vs. Composio
Composio also exposes Quaderno 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 Quaderno in the browser, and the 76 tools above work from chat. There is no SDK and no config file, and the Quaderno 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 Quaderno
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 Quaderno 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 Quaderno tools
Quaderno 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 Quaderno 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.
Quaderno 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 Quaderno 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 Quaderno integration?
Yes. ClawLink is the fastest way to connect Hermes to Quaderno: link your Quaderno account once in the browser and Hermes Agent can call the Quaderno API through 76 ready-made tools — no custom code or token handling.
How do I connect Quaderno 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 Quaderno in the dashboard and Hermes can use it from the next message — no config files, and the Quaderno key you paste is stored server-side instead of in your environment.
How long does it take to connect Quaderno to Hermes Agent?
About two minutes. Sign in, click Connect next to Quaderno in the dashboard, authenticate, and Hermes Agent can use it from the next chat message.
Why use ClawLink instead of wiring Quaderno 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 Quaderno working from chat.
Hermes paired but still can't use Quaderno
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.
