Security• MCP Alternatives Guide

Best Alternatives to Fullmakt

Looking for an alternative to Fullmakt? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Security ecosystem, we have cataloged and compared the top alternative MCP servers below.

Browse all Security servers →View Fullmakt Specs →

F

Target Reference Server

Fullmakt Overview

The Fullmakt MCP server brokers API credentials for AI agents using scoped and revocable access. It applies policies to control how credentials can be used and provides audit information about access activity. Reach for it when an agent needs controlled API permissions rather than unrestricted credentials. The available material does not identify supported third-party APIs, client integrations, or installation methods.

Primary Use Cases for Fullmakt:

Broker scoped API credentials for AI agents
Revoke agent access after a task or incident
Enforce policies on agent API usage
Audit access activity from agent workflows

Specification Matrix: Fullmakt vs Alternatives

Direct comparison of key metrics, runtimes, authentication methods, and community popularity.

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
F Fullmakt (Target)	—	—	—	—	—	Current
Vorim MCP Server	npx	API key	Free	66	—	Compare →
Haldir	uvx	API key	Freemium	4	—	Compare →
Agentdevx Sdk	npx	—	—	2	—	Compare →
P Publishwith.ai	—	—	—	—	—	Compare →
Scopeblind Gateway	npx	No auth required	Free	10	—	Compare →
AgentValet	npx	API key	Freemium	2	—	Compare →
Cordon	npx	—	—	1	—	Compare →
Aegis	uvx	No auth required	Free	18	—	Compare →
EthersFlow — Trust Gate for AI Agents	npx	—	—	2	—	Compare →
Gatekeeper	npx	—	—	—	—	Compare →
Volta MCP Server	npx	No auth required	Free	1	—	Compare →
Delego	uvx	No auth required	Free	25	—	Compare →

Detailed Evaluation of Fullmakt Alternatives

Vorim MCP Server

Runtime: npxSecurity

Manage AI agent identity, permissions, delegated credentials, trust scores, and signed audit records through Vorim AI.

Key Features:

Ed25519 agent identity registration

Ephemeral did:key agents with TTL

Scoped permissions and rate limits

2 0 66

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Haldir

Runtime: uvxSecurity

Governance layer for AI agents with scoped sessions, encrypted secrets, audit trails, approvals, and MCP call interception.

Key Features:

Scoped agent sessions

AES-256-GCM encrypted secret vault

Hash-chained audit trail

3 0 4

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Agentdevx Sdk

Runtime: npxSecurity

MCP gateway for agent identity, encrypted credentials, policy checks, memory, auditing, and OpenAPI-based API access.

Key Features:

Ed25519 agent identity

AES-256-GCM credential vault

OPA policies with audit logging

2 0 2

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P

Publishwith.ai

Runtime not confirmedSecurity

Publishes AI reports as versioned native links with access control, revocation, and audit records.

Key Features:

Managed native links for AI reports

Report versioning

Access control

2 0

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Scopeblind Gateway

Runtime: npxSecurity

A security gateway proxy for MCP servers with per-tool policies, approval gates, and optional Ed25519-signed receipts.

Key Features:

Per-tool policy enforcement (block, rate limit, min tier)

Shadow mode logs all tool calls without blocking

Enforce mode applies policies to tool calls

2 0 10

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AgentValet

Runtime: npxSecurity

Governs agent identities, scoped credentials, approvals, and audited platform access through MCP.

Key Features:

Per-agent RS256 identity and 60-second JWTs

Deny-by-default, per-action scope grants

Human approval gates for selected scopes

2 0 2

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Cordon

Runtime: npxSecurity

Routes MCP tool calls through configurable policies, audit logs, and terminal or Slack approval workflows.

Key Features:

Per-server and per-tool policy enforcement

Structured JSON audit logging

Terminal and Slack approval workflows

1 0 1

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Aegis

Runtime: uvxSecurity

Governs AI agent and MCP tool calls with YAML policies, approvals, risk checks, guardrails, and tamper-evident audit logs.

Key Features:

YAML policy rules with approval gates

MCP stdio and HTTP transport proxy

Prompt-injection, PII, leak, and toxicity checks

4 0 18

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EthersFlow — Trust Gate for AI Agents

Runtime: npxSecurity

Verifies agent actions before execution with policy checks, adversarial model review, and signed Ed25519 verdicts.

Key Features:

Pre-execution action verification

Deterministic policy fast path

Adversarial multi-model consensus

1 0 2

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Gatekeeper

Runtime: npxSecurity

Routes MCP tool calls through policy checks, approvals, budgets, and append-only audit logging.

Key Features:

Policy-based allow, deny, and approval decisions

Sensitive-boundary rule pack

USD, token, and call budgets

1 0

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Volta MCP Server

Runtime: npxSecurity

Creates and reads AES-256-GCM encrypted, one-time Volta Notes for credential handoff between users and AI agents.

Key Features:

Create AES-256-GCM encrypted notes

Read and permanently destroy notes

Keep decryption keys in URL fragments

3 0 1

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Delego

Runtime: uvxSecurity

Authorizes agent actions with deterministic policy checks, human approval, single-use bindings, and a signed audit chain.

Key Features:

Deterministic action policy evaluation

Human approval outside MCP

Intent and fingerprint binding

2 0 25

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Frequently Asked Questions: Fullmakt Alternatives

The top-rated alternatives to Fullmakt in the Security category include Vorim MCP Server, Haldir, Agentdevx Sdk. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

Fullmakt and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

It varies by server. Pricing, auth and license are declared by each maintainer and shown in the comparison table where provided — a dash means nothing was declared, so check that project's own site before assuming it's free.

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.