portkey-mcp-server

Provides an MCP (Model Context Protocol) server that bridges AI tool/service integrations to Portkey, exposing MCP tools for creating prompts, rendering prompts, and listing prompts via Portkey APIs. Supports both stdio and SSE (HTTP) transports.

Evaluated Apr 04, 2026 (17d ago)

Repo ↗ Ai Ml mcp model-context-protocol portkey prompts go stdio sse jsonrpc tool-calling

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

Uses HTTPS/TLS behavior is not documented; SSE example uses http://localhost. Auth appears to rely on a single PORTKEY_API_KEY environment variable with no documented scopes or rotation guidance. No information provided on dependency vulnerabilities, secret logging redaction, or transport hardening—would require code/config review.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You can run the MCP server locally (stdio or SSE) and you have a Portkey API key configured via environment variables.

Avoid When

You require a managed SaaS with published uptime/SLA, fine-grained scopes, or turnkey auth/rate-limit guarantees without inspecting the Go server implementation.

Use Cases

• Integrate Portkey prompt management/rendering into MCP-compatible AI clients (e.g., Cursor, Claude Desktop via stdio)
• Render and manage Portkey prompts programmatically through an MCP tool interface
• Local/dev bridging for agents/tools that speak MCP but need to use Portkey prompt endpoints

Not For

• Production use where transport security, rate limiting, and error semantics must be tightly guaranteed without reviewing server code/config

Interface

REST API

Yes

GraphQL

gRPC

MCP Server

Yes ↗

SDK

Webhooks

Authentication

Methods: Environment variable PORTKEY_API_KEY (in Docker/binary usage)

OAuth: No Scopes: No

Authentication is via a Portkey API key provided as an environment variable. The README does not describe scope granularity or token scopes for the MCP server itself.

Pricing

Free tier: No

Requires CC: No

Pricing for the Portkey backend is not described in this repository README.

Agent Metadata

Pagination

none

Idempotent

False

Retry Guidance

Not documented

Known Gotchas

⚠ SSE transport requires keeping the initial SSE connection open for the duration of the MCP session
⚠ README provides manual SSE call sequence but does not document server-side timeouts, reconnection behavior, or retry/idempotency characteristics for tool calls

Alternatives

Use Portkey APIs directly instead of MCP (admin/control-plane + inference endpoints) Use an MCP-to-HTTP proxy/gateway you control (with OpenAPI-defined contracts) Implement a small MCP server wrapper around the Portkey REST APIs

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API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-04-04.