---
title: "Tailcall"
pageType: "tool-profile"
schemaVersion: "1.0"
snapshotId: "tv-20260915-f4c107995a2e"
generatedAt: "2026-09-15T07:02:20.000Z"
canonicalUrl: "http://toolvitals.com/tools/tailcall/"
jsonUrl: "http://toolvitals.com/api/agent/tools/tailcall"
indexable: true
---

# Tailcall

High Performance GraphQL Runtime

## Decision context

- Status: active
- ToolVitals score: 83/100
- Health score: 85/100
- Shipping score: 79/100
- Score mode: verdict
- Data confidence: 90/100
- Source coverage: 100/100
- Last evidence check: 2026-09-14

## Classification

- Use case: API Development & Testing (api-development-testing)
- Category: Developer Tools (developer-tools)
- Tool mode: Source-visible project
- Openness: OSI-approved OSS
- License: Apache-2.0
- Tags: open-source, api-gateway, backend-for-frontend, battle-tested, cloud-native, extendable, graphql, graphql-api, graphql-server, io-efficiency, microservices, orchestration, performance, protocol-agnostic, proxy, resiliency

## Public repository signals

- Repository: [tailcallhq/tailcall](https://github.com/tailcallhq/tailcall)
- Stars: 1443 (adoption context only)
- Forks: 256
- Open issues: 13
- Last commit date: 2026-09-14
- Releases in 90 days: 0

## Source receipts

- [Official website](https://tailcall.run/) — checked 2026-09-14
- [Source repository](https://github.com/tailcallhq/tailcall) — checked 2026-09-14

## Discovery status

- Search indexable: yes
- Reason: sufficient tool evidence

## Interpretation limits

- ToolVitals scores summarize bounded public maintenance, shipping, openness, and evidence signals. They are not user-review ratings.
- GitHub stars and related popularity metrics are adoption context, not quality evidence.
- Missing values mean not collected or not confidently established; they do not mean zero.
- Public signals do not prove security, uptime, support quality, customer satisfaction, or production suitability.
- Verify material decisions against the linked first-party sources and your own requirements.