PostFiber
For AI agents
Let your AI agent work in PostFiber
An agent can list your channels, upload media, draft and schedule posts and read analytics in PostFiber, with the same calendar and plan limits as the dashboard. Pick the way your agent connects.
Two ways in
MCP server
A hosted server at https://www.postfiber.com/mcp. Claude and ChatGPT add it as a custom connector and sign in with OAuth; every other client sends an API key.
Agent skill
A SKILL.md that teaches an agent when and how to use PostFiber. https://www.postfiber.com/agent/SKILL.md serves it.
Guides by agent
Each guide follows the steps in the agent's own documentation. Anything that speaks MCP can follow the MCP server guide, and anything that runs shell commands can use the command line.
| Agent | Made by | Connects with | Sign-in | Guide |
|---|---|---|---|---|
| Claude | Anthropic | Custom connector | OAuth sign-in | Open the guide |
| Claude Cowork | Anthropic | Custom connector | OAuth sign-in | Open the guide |
| ChatGPT | OpenAI | Custom connector | OAuth sign-in | Open the guide |
| OpenAI dots | OpenAI | Custom connector | OAuth sign-in | Open the guide |
| Claude Code | Anthropic | MCP server | API key | Open the guide |
| Codex | OpenAI | MCP server | API key | Open the guide |
| Cursor | Cursor | MCP server | API key | Open the guide |
| Gemini CLI | MCP server | API key | Open the guide | |
| Kimi Code | Moonshot AI | MCP server | API key | Open the guide |
| DeepSeek Harness | DeepSeek | MCP server | API key | Open the guide |
| Muse Code | Meta | MCP server | API key | Open the guide |
| Perplexity Computer | Perplexity | Custom connector | API key | Open the guide |
| Manus | Manus | Custom connector | API key | Open the guide |
| Grok Bot | xAI | Custom connector | API key | Open the guide |
| Grok Build | xAI | MCP server | API key | Open the guide |
| NanoClaw | NanoClaw | MCP server | API key | Open the guide |
| Paperclip | Paperclip | MCP server | API key | Open the guide |
The skill
Save SKILL.md where your agent loads skills, or install it from https://www.postfiber.com/agent/SKILL.md if the agent can. The guides say where each agent looks.
curl -fsSL https://www.postfiber.com/agent/SKILL.md -o SKILL.mdKeep a person in the loop
An agent works with the permissions of the key, or of the person who connected it. Ask it to save drafts or schedule posts, look at the calendar before anything goes out, and give each key only the project and the permissions it needs. A key or a connected app you revoke stops working at once.
Questions
- Do the API and the MCP server cost extra?
- No, they are part of your plan. Plans differ in how many posts the API and the MCP server can create per day; drafts do not count.
- Where do the posts an agent makes show up?
- In the dashboard like any other post, in the calendar and in the post list, with its source shown.
- Which networks can an agent post to?
- The channels connected in the project the key or the sign-in reaches. Connect your channels in the dashboard first.
- My agent is not in the list.
- Any client that supports remote MCP servers can follow the MCP server guide, and any agent that runs shell commands can use the command line and the skill.
- Is it safe to give an agent an API key?
- Use a key limited to one project and to the permissions you need, keep it in an environment variable or in the agent's secret store and never in a prompt, and revoke it under API keys if it leaks.