How to connect Solcast to Hermes Agent
Connect Solcast to Hermes with ClawLink: paste your Solcast key once and 6 tools work from chat. No MCP server to run, nothing stored on your machine.
SolcastAPI KEYMCPSolar resource assessment and forecasting data for irradiance and PV power, globally.. Once connected, Hermes Agent can read and act on Solcast from chat — pairing, token refresh, and tool wiring handled for you.
Most guides for giving Hermes Agent Solcast 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 Solcast setup: pair once in the browser and your always-on Hermes agent can act on Solcast 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 Solcast.
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 Solcast
Paste your API key in the dashboard.
- 3
Use it from chat
Ask Hermes Agent: "What can you do with Solcast?"
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 Solcast in the ClawLink dashboard — paste your Solcast API key once.
Verify the connection by asking Hermes:
Pull the relevant data from Solcast, summarize it in plain English, and point out anything that needs attention.
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 Solcast is connected in the dashboard, that agent calls the same 6 Solcast tools over MCP. Full setup for MCP clients and shell agents: connect apps to any AI agent.
Solcast MCP for Hermes
Looking for a Solcast MCP server for Hermes Agent? ClawLink connects Solcast to Hermes Agent and exposes 6 Solcast tools your agent can call over MCP, with hosted auth and nothing to run or maintain yourself. Using OpenClaw instead? The OpenClaw Solcast integration works the same way.
What the Hermes Agent Solcast integration can do
6 Solcast tools are ready for Hermes Agent once the account is connected.
All 6 Solcast tools for Hermes
| Tool | What it does |
|---|---|
Get data historic radiation and weather solcast_get_data_historic_radiation_and_weather | Get historical irradiance and weather estimated actuals for a requested location |
Get resources pv power site solcast_get_resources_pv_power_site | Retrieve a specific PV power resource by its unique identifier |
Get resources pv power sites solcast_get_resources_pv_power_sites | List PV power resources available to authenticated user |
Patch resources pv power site solcast_patch_resources_pv_power_site | Partially update an existing PV power resource's technical specifications |
Post resources pv power site solcast_post_resources_pv_power_site | Create a new PV power resource for Advanced PV Power forecasting |
Put resources pv power site solcast_put_resources_pv_power_site | Update an existing PV power resource with comprehensive technical specifications for solar |
Try it: find the Solcast tool you need
Browse the 6 Solcast tools
Click any tool to see exactly what Hermes can do and copy a ready-to-use prompt.
Example prompts
Pull the relevant data from Solcast, summarize it in plain English, and point out anything that needs attention.
Pull the relevant data from Solcast, summarize it in plain English, and point out anything that needs attention.
Pull the relevant data from Solcast, summarize it in plain English, and point out anything that needs attention.
Use Solcast to patch resources pv power site and walk me through the result in plain English.
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 Solcast working from chat.
| Manual | ClawLink | |
|---|---|---|
| Credential handling | Collect, validate, store, and rotate the Solcast API key yourself, then make sure every tool call uses the right account. | Users complete the hosted ClawLink setup once and the connected Solcast 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 Solcast. | 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 Solcast actions to the runtime in a format your agent can reliably use. | 6 tools for Solcast are already exposed through ClawLink, so the agent can read and act from chat immediately. |
ClawLink vs. Composio
Composio also exposes Solcast 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 Solcast in the browser, and the 6 tools above work from chat. There is no SDK and no config file, and the Solcast 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 Solcast
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 Solcast 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 Solcast tools
Solcast 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 Solcast 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.
Solcast 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 Solcast 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 Solcast integration?
Yes. ClawLink is the fastest way to connect Hermes to Solcast: link your Solcast account once in the browser and Hermes Agent can call the Solcast API through 6 ready-made tools — no custom code or token handling.
How do I connect Solcast 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 Solcast in the dashboard and Hermes can use it from the next message — no config files, and the Solcast key you paste is stored server-side instead of in your environment.
How long does it take to connect Solcast to Hermes Agent?
About two minutes. Sign in, click Connect next to Solcast in the dashboard, authenticate, and Hermes Agent can use it from the next chat message.
Why use ClawLink instead of wiring Solcast 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 Solcast working from chat.
Hermes paired but still can't use Solcast
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.
