Back to callable

Alternatives to callable

API for AI agents to delegate tasks to real humans.

callable is tagged AI, API, DevTools. The servers below cover similar ground, ranked by how many tags they share with it, then by GitHub stars.

πŸ”Œ

FHIR MCP Server

by wso2

115 β˜…Apache-2.0

MCP server providing seamless access to FHIR APIs for AI tools and healthcare applications

$uvx fhir-mcp-server@0.11.0
AIAPIDevTools
🧩

~alter mcp-ollama

by io.github.true-alter

Wraps local Ollama models so bulk generation runs on your own hardware, not a paid API.

$npx -y @truealter/mcp-ollama@0.2.1
AIAPIDevTools
🧩

2Captcha MCP

by io.github.aruxojuyu665

Full 2Captcha API (43 tools) for Claude Code: 31 captcha solvers + management + webhook.

$uvx twocaptcha-mcp@0.6.1
AIAPIDevTools
🧩

2o

by io.github.russellshen1992

Human intelligence API β€” AI agents verify facts with human domain experts via MCP

$npx -y @russellshen1992/2o-mcp@1.0.0
AIAPIDevTools
🧩

a2apay

by io.github.groundhogday2011-byte

Pay-per-call AI query and versioned task memory for agents. No account, no API key, via x402.

$uvx a2apay-io@0.1.0
AIAPIDevTools
🧩

AAAA-Nexus MCP

by io.github.AAAA-Nexus

Formally verified AI safety APIs. 75+ endpoints, pay-per-call via USDC x402, no signup.

$uvx aaaa-nexus-mcp@0.1.1
AIAPIDevTools
🧩

AccordTrace

by io.github.Kosta1985

Tamper-evident proof creation and verification for AI agents via MCP, A2A, and REST.

$https://accordtrace.notary-labs.workers.dev/mcp
AIAPIDevTools
🧩

Action1

by io.github.WYRE-AI

Action1 MCP server β€” endpoint inventory, patch visibility, and policy automation via REST API.

$docker run -i --rm ghcr.io/wyre-ai/action1-mcp:v1.1.9
AIAPIDevTools
🧩

Activecampaign

by io.github.pipeworx-io

ActiveCampaign MCP Pack β€” email marketing + CRM (API v3).

$npx -y @pipeworx/mcp-activecampaign@0.2.1
AIAPIDevTools
🧩

ActiveCampaign

by io.github.ohneben

ActiveCampaign API: ~325 endpoints (v3, SMS, WhatsApp, Segments) as safety-categorized MCP tools.

$docker run -i --rm ghcr.io/ohneben/activecampaign-mcp:1.1.1
AIAPIDevTools
🧩

adaptive-recall

by io.github.AIAppsAPI

Adaptive memory system with cognitive scoring, knowledge graph, and self-improving ML.

$npx -y adaptive-recall@1.0.1
AIAPIDevTools
🧩

admin-mcp

by io.github.hellocoop

Model Context Protocol (MCP) for Hellō Admin API.

$npx -y @hellocoop/admin-mcp@1.5.7
AIAPIDevTools