ACI.dev
Open source tool-calling platform that hooks 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. 4,763 GitHub stars and 21 commits on main in the last 30 days.
“Open source tool-calling platform that hooks 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. 4,763 stars and 21 commits on main in the last 30 days.”
INSTALL THIS SERVER
{
"mcpServers": {
"aci": {
"command": "npx",
"args": [
"-y",
"aci-mcp"
],
"env": {
"ACI_API_KEY": "YOUR_ACI_KEY"
}
}
}
}
{
"mcpServers": {
"aci": {
"command": "npx",
"args": [
"-y",
"aci-mcp"
],
"env": {
"ACI_API_KEY": "YOUR_ACI_KEY"
}
}
}
}
{
"mcpServers": {
"aci": {
"command": "npx",
"args": [
"-y",
"aci-mcp"
],
"env": {
"ACI_API_KEY": "YOUR_ACI_KEY"
}
}
}
}
{
"mcpServers": {
"aci": {
"command": "npx",
"args": [
"-y",
"aci-mcp"
],
"env": {
"ACI_API_KEY": "YOUR_ACI_KEY"
}
}
}
}
{
"mcpServers": {
"aci": {
"command": "npx",
"args": [
"-y",
"aci-mcp"
],
"env": {
"ACI_API_KEY": "YOUR_ACI_KEY"
}
}
}
}
5 SELECTED TOOLS
OUR ASSESSMENT
aipotheosis-labs/aci wraps a 600+ tool catalog as one MCP. Tool surface covers tool discovery and invocation plus app connection management. Open-source competitor to Pipedream MCP and Zapier MCP. Apache-2.0 license differentiates from Zapier (NOASSERTION) and Pipedream (Apache via Vercel header).
- 4,763 GitHub stars.
- 21 commits on main in the last 30 days.
- Apache-2.0 license, fully open source.
- 600+ tools in one MCP.
- OAuth and API-key flows handled per-app.
- Stdio and streamable-http transports.
- Platform-managed tool surface; updates depend on ACI catalog velocity.
- invoke_tool side effects span 600+ apps; agent prompt path needs strict review.
- ACI account required; free tier limits apply.
ACI_API_KEY plus per-app OAuth tokens carry whatever permissions the connected apps grant. Use a dedicated ACI workspace for agent flows. invoke_tool can call any registered tool; restrict the agent prompt path or pre-filter the tool surface for production agents.
Teams that need many integrations without building per-app MCPs; agent developers running multi-tenant agents; open-source-first organisations choosing ACI over Pipedream/Zapier on license grounds.
TECHNICAL DETAILS
RECORDED ADOPTION METRICS
Saved directory snapshots. Record last checked MAY 8, 2026. The review date above does not refresh these figures.
// Recorded note4,763 stars on aipotheosis-labs/aci. 21 commits on main in the last 30 days.
// Recorded notePairs with Pipedream, Zapier, Make, n8n MCPs in productivity/dev-tools. ACI is the open-source-Apache option for the tool-platform slot.
SOURCES & RECORDED CHECKS
These are the directory listings and check details held in this record. Client compatibility, directory listings and installation testing are separate signals. Recorded client names describe the scope of a check; they do not establish a security assessment or a recurring test schedule.
The same server, 4 different lenses. We reconcile these signals into our editorial score, which is why our number sometimes diverges from a directory-aggregate star count.
| Source | Their rating | Their star count | Their downloads | Last synced |
|---|---|---|---|---|
| AutomationSwitch This page | 4.5editorial | 4,763 | — | MAY 8, 2026 |
| PulseMCP | — unrated | unavailable | unavailable | MAY 8, 2026 |
| MCP.so | — unrated | unavailable | unavailable | MAY 8, 2026 |
| Glama | — unrated | unavailable | unavailable | MAY 8, 2026 |
| Smithery | — unrated | unavailable | unavailable | MAY 8, 2026 |
// Counts are directory-reported; we don't adjust them. Discrepancies usually come from different snapshot times or star-caching.
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