Is Hive Mcp Flag free?

Yes, Hive Mcp Flag is free to use.

How do I install Hive Mcp Flag?

Hive Mcp Flag is a remote plugin. You do not need to install anything locally. Add the server URL to your AI app's MCP configuration and you are ready to go.

What AI apps work with Hive Mcp Flag?

Hive Mcp Flag uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Hive Mcp Flag MCP Server

by Srotzin

Developer ToolsLow Risk9.6MCP RegistryRemote

Free

Server data from the Official MCP Registry

Feature flag service for safe rollouts across the Hive agent fleet

About

Feature flag service for safe rollouts across the Hive agent fleet

Remote endpoints: streamable-http: https://hive-mcp-flag.onrender.com/mcp

Security Report

9.6

Low Risk9.6Low Risk

Valid MCP server (1 strong, 0 medium validity signals). 2 known CVEs in dependencies Imported from the Official MCP Registry.

6 tools verified · Open access · 2 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

env_vars

Check that this permission is expected for this type of plugin.

file_system

Check that this permission is expected for this type of plugin.

database

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "io-github-srotzin-hive-mcp-flag": {
      "url": "https://hive-mcp-flag.onrender.com/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

hive-mcp-flag

Feature flag service for the A2A network — Hive Civilization. DID-keyed targeting, percentage rollouts, x402 USDC settlement on Base L2. MCP 2024-11-05. Inbound only.

Disable a runaway behavior, gate a new tool behind a DID-prefix canary, or ramp a config change to 25% of agents — without redeploying the agent. LaunchDarkly-shaped semantics, agent-native primitives.

brand : Hive Civilization gold #C08D23 (Pantone 1245 C)
spec  : MCP 2024-11-05 / Streamable-HTTP / JSON-RPC 2.0
wallet: W1 MONROE 0x15184bf50b3d3f52b60434f8942b7d52f2eb436e (Base)

Quick start

git clone https://github.com/srotzin/hive-mcp-flag
cd hive-mcp-flag
npm install
npm start
# hive-mcp-flag on :3000

Hosted endpoint: https://hive-mcp-flag.onrender.com/mcp

Tools and pricing

Tool	USD / call	Notes
`flag_eval`	$0.0005	Evaluate a flag for a DID; returns resolved value and matched rule.
`flag_list`	free	List flags owned by a DID.
`flag_describe`	free	Full flag definition and recent evaluations.
`flag_create`	$0.001	Create a flag with default value and targeting rules.
`flag_update`	$0.0005	Update default value or targeting rules. Owner-only.
`flag_delete`	$0.001	Tombstone a flag. Owner-only.

All payments are inbound. Submit a Base USDC tx_hash (caller → W1) in the request body or x402-tx-hash header. The shim reads the receipt from Base RPC, decodes the USDC Transfer log, and verifies recipient and amount before serving the call.

Targeting rules

Rules evaluate in declared order. First match wins. If none match, the flag's default_value is returned.

[
  { "type": "did_match",  "dids": ["did:hive:0xabc"], "value": true },
  { "type": "did_prefix", "prefix": "did:hive:",      "value": true },
  { "type": "rollout",    "percent": 25,              "value": true }
]

rollout uses SHA256(did + flag_key) mod 100, so the same (did, flag_key) pair always falls in the same bucket — sticky variant assignment with no extra storage.

REST API

POST   /v1/flag/eval                # body: { flag_key, evaluating_did, tx_hash }
GET    /v1/flag/list?owner_did=...
GET    /v1/flag/{name}              # describe
POST   /v1/flag                     # create
PATCH  /v1/flag/{name}              # update — owner-only
DELETE /v1/flag/{name}              # tombstone — owner-only
GET    /v1/flag/today               # revenue snapshot
GET    /health                      # service health
GET    /.well-known/mcp.json        # MCP discovery
POST   /mcp                         # JSON-RPC 2.0

MCP example

{
  "jsonrpc": "2.0", "id": 1, "method": "tools/call",
  "params": {
    "name": "flag_eval",
    "arguments": {
      "flag_key": "new_routing_v2",
      "evaluating_did": "did:hive:0xabc",
      "tx_hash": "0xBASE_TX_PAYING_$0.0005_USDC_TO_W1"
    }
  }
}

Real rails

Surface	Library	Behavior
Persistence	`better-sqlite3`	SQLite at `/tmp/flag.db`, WAL mode, transactional create/update.
Signature verification	`ethers.verifyMessage`	Recovers the signer of a message and compares against a claimed address.
Payment verification	`ethers.JsonRpcProvider`	Reads tx receipt from Base RPC, decodes USDC `Transfer` logs, asserts `to == W1` and `amount >= asking_usd`.

Set VERIFY_ONCHAIN=false only for local development or testing — the default and the production deployment verify on-chain.

Environment

Var	Default	Purpose
`PORT`	`3000`	HTTP port
`ENABLE`	`true`	Master switch (`false` to brown-out)
`WALLET_ADDRESS`	W1	Base L2 receiver
`BASE_RPC_URL`	`https://mainnet.base.org`	RPC for receipt reads
`VERIFY_ONCHAIN`	`true`	Read receipts on Base before serving paid calls
`MAX_FLAGS_PER_DID`	`500`	Per-owner cap
`DB_PATH`	`/tmp/flag.db`	SQLite file

Caps

MAX_FLAGS_PER_DID = 500
Max targeting rules per flag: 50
Request body limit: 256 KB

Out of scope (v1.1+)

Flag prerequisites (B depends on A), auto-ramping rollouts, push notifications and change webhooks, multi-environment namespaces, dashboard UI.

Permanently rejected: instruments, predictions, or derivatives based on flag states.

Hive Civilization · MIT · github.com/srotzin/hive-mcp-flag

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Hive Mcp Flag MCP Server

About

Security Report

Findings (2)

Permissions Required

How to Connect

Documentation

hive-mcp-flag

Quick start

Tools and pricing

Targeting rules

REST API

MCP example

Real rails

Environment

Caps

Out of scope (v1.1+)

Reviews

No reviews yet

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