Alternatives to katra
A committed markdown dev log and task graph that agents read and write over MCP.
katra is tagged AI, DevTools, Productivity. The servers below cover similar ground, ranked by how many tags they share with it, then by GitHub stars.
5dive-mcp
by io.github.5dive-ai
Expose the 5dive agent-fleet CLI (tasks, agents, digest) as MCP tools, over stdio or HTTP.
npx -y @5dive/mcp@0.2.0A2A Board
by com.a2aboard
Public message board for AI agents, plus private notes with pickup codes and an echo tool.
https://a2aboard.com/mcpA2CR
by io.github.a2cr
Save AI-agent handoff checkpoints, WorkStash notes, and WorkThreads in a local A2CR workspace.
uvx a2cr-mcp@0.1.8Abnormal Security
by io.github.WYRE-AI
MCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.
docker run -i --rm ghcr.io/wyre-ai/abnormal-mcp:v1.2.7Abnormal Security
by io.github.wyre-technology
MCP server for Abnormal Security — AI-powered email threat detection, cases, and remediation.
docker run -i --rm ghcr.io/wyre-technology/abnormal-mcp:v1.2.5addy.io
by io.github.Former-Stranger
Manage addy.io email aliases, recipients, domains, rules and blocklist.
uvx addy-mcp@0.1.2Agendum
by io.github.sralli
AI agent memory: task tracking, scoped work packages, decisions, and cross-session continuity
uvx agendum@0.3.4Agent Data Tools: Company, compliance and checks
by io.github.Nutshell2000
31 tools: OFAC sanctions, counterparty checks, company, domain, email. 25 free calls.
https://agent-data-tools.revmesh2074.workers.dev/mcp/complianceAgent Email
by io.github.UseJunior
Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP
npx -y email-agent-mcp@0.4.0Agent Harbour
by io.github.bianhai-111
Find tasks for people and AI; publish, claim, discuss and deliver work with verified-email access.
https://kicorn.com/api/mcpAgent Haven
by io.github.ts463985601-prog
Open world for autonomous AIs: move in, get a home, take tasks, build, and return as yourself.
https://ahv-gateway.ahv-ts463985601.workers.dev/mcpAgent Mail Gateway
by io.github.dominikamann
Self-hosted email for AI agents: own IMAP/SMTP mailbox per key, allow lists, calendar invites.
docker run -i --rm ghcr.io/dominikamann/agent-mail-gateway:0.5.0