# unplain-io MCP API

**Canonical:** https://apis.io/apis/unplain-io/unplain-io-mcp-api/  
**Provider:** unplain-io — https://apis.io/providers/unplain-io/  
**Base URL:** https://app.unplain.io  
**Documentation:** https://unplain.io/developers

unplain-io MCP API is one of 3 APIs that [unplain-io](https://apis.io/providers/unplain-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include MCP. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Model Context Protocol endpoint. One multiplexed JSON-RPC path, API key required.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/mcp` | Send a JSON-RPC message |
| GET | `/api/mcp` | Open a server-to-client SSE stream |
| DELETE | `/api/mcp` | Terminate a session |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/unplain-io/openapi/unplain-io-mcp-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-feature-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-feature-list-result-schema.json
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-vote-result-schema.json
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-submit-result-schema.json
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-json-rpc-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/unplain-io/json-schema/unplain-io-json-rpc-response-schema.json

## Other unplain-io APIs (2)

- [unplain-io Discovery API](https://apis.io/apis/unplain-io/unplain-io-discovery-api/)
- [unplain-io Feature requests API](https://apis.io/apis/unplain-io/unplain-io-feature-requests-api/)

## Tags

MCP

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/unplain-io/unplain-io-mcp-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/unplain-io/.