diff --git a/.github/workflows/conformance-weekly.yaml b/.github/workflows/conformance-weekly.yaml
index 685b9396..d55ac819 100644
--- a/.github/workflows/conformance-weekly.yaml
+++ b/.github/workflows/conformance-weekly.yaml
@@ -4,13 +4,17 @@ name: conformance-weekly
 # @modelcontextprotocol/conformance release. The on:pull_request pipeline
 # pins to whatever version is available at PR time; this schedule catches
 # upstream releases that add scenarios between PRs.
+#
+# It also scores each run and publishes the client/server pass-rate as
+# shields.io endpoint JSON to the orphan `badges` branch (consumed by the
+# README); that branch is created on the first run.
 on:
   schedule:
     - cron: '0 6 * * 1' # Mondays 06:00 UTC
   workflow_dispatch:
 
 permissions:
-  contents: read
+  contents: write
   issues: write
 
 jobs:
@@ -31,7 +35,10 @@ jobs:
           sleep 5
       - name: Run conformance tests
         working-directory: ./tests/Conformance
-        run: npx --yes @modelcontextprotocol/conformance@latest server --url http://localhost:8000/ --expected-failures conformance-baseline.yml
+        run: npx --yes @modelcontextprotocol/conformance@latest server --url http://localhost:8000/ --expected-failures conformance-baseline.yml --output-dir results
+      - name: Generate score badge
+        if: always()
+        run: php tests/Conformance/score.php server
       - name: Show docker logs on failure
         if: failure()
         run: docker compose -f tests/Conformance/Fixtures/docker-compose.yml logs
@@ -43,6 +50,12 @@ jobs:
           path: |
             tests/Conformance/logs
             tests/Conformance/results
+      - name: Upload score badge
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: server-badge
+          path: tests/Conformance/server-conformance.json
 
   client:
     name: conformance / client (latest)
@@ -60,7 +73,10 @@ jobs:
       - run: mkdir -p tests/Conformance/logs
       - name: Run conformance tests
         working-directory: ./tests/Conformance
-        run: npx --yes @modelcontextprotocol/conformance@latest client --command "php ${{ github.workspace }}/tests/Conformance/client.php" --suite all --expected-failures conformance-baseline.yml
+        run: npx --yes @modelcontextprotocol/conformance@latest client --command "php ${{ github.workspace }}/tests/Conformance/client.php" --suite all --expected-failures conformance-baseline.yml --output-dir results
+      - name: Generate score badge
+        if: always()
+        run: php tests/Conformance/score.php client
       - name: Upload conformance results
         if: failure()
         uses: actions/upload-artifact@v4
@@ -69,6 +85,12 @@ jobs:
           path: |
             tests/Conformance/logs
             tests/Conformance/results
+      - name: Upload score badge
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: client-badge
+          path: tests/Conformance/client-conformance.json
 
   notify:
     name: Open issue on failure
@@ -96,3 +118,45 @@ jobs:
 
           Upstream likely published a release whose scenarios the SDK does not satisfy. Either fix the SDK, update the conformance fixtures, or add the new failure to \`tests/Conformance/conformance-baseline.yml\`."
           fi
+
+  publish:
+    name: Publish conformance badges
+    runs-on: ubuntu-latest
+    needs: [server, client]
+    # Publish even when the suite regressed (the badge should reflect reality);
+    # skip on forks, which cannot push the `badges` branch.
+    if: ${{ !cancelled() && github.repository == 'modelcontextprotocol/php-sdk' }}
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/download-artifact@v4
+        with:
+          name: server-badge
+          path: badges-in
+      - uses: actions/download-artifact@v4
+        with:
+          name: client-badge
+          path: badges-in
+      - name: Publish to badges branch
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+          if git ls-remote --exit-code --heads origin badges >/dev/null 2>&1; then
+            git fetch origin badges
+            git worktree add badges-wt badges
+          else
+            git worktree add --detach badges-wt
+            git -C badges-wt checkout --orphan badges
+            git -C badges-wt rm -rf --quiet . >/dev/null 2>&1 || true
+          fi
+
+          cp badges-in/server-conformance.json badges-in/client-conformance.json badges-wt/
+
+          cd badges-wt
+          git add -A
+          if git diff --cached --quiet; then
+            echo "Conformance scores unchanged."
+          else
+            git commit -m "Update conformance score badges"
+            git push origin badges
+          fi
diff --git a/README.md b/README.md
index 37335b1e..bc97892b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,16 @@
 # MCP PHP SDK
 
+<div align="center">
+
+[![Latest Version](https://img.shields.io/packagist/v/mcp/sdk.svg)](https://packagist.org/packages/mcp/sdk)
+[![CI](https://github.com/modelcontextprotocol/php-sdk/actions/workflows/pipeline.yaml/badge.svg)](https://github.com/modelcontextprotocol/php-sdk/actions/workflows/pipeline.yaml)
+[![PHP Version](https://img.shields.io/packagist/php-v/mcp/sdk.svg)](https://packagist.org/packages/mcp/sdk)
+[![License](https://img.shields.io/packagist/l/mcp/sdk.svg)](LICENSE)
+[![Server Conformance](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/modelcontextprotocol/php-sdk/badges/server-conformance.json)](https://github.com/modelcontextprotocol/php-sdk/actions/workflows/conformance-weekly.yaml)
+[![Client Conformance](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/modelcontextprotocol/php-sdk/badges/client-conformance.json)](https://github.com/modelcontextprotocol/php-sdk/actions/workflows/conformance-weekly.yaml)
+
+</div>
+
 The official PHP SDK for Model Context Protocol (MCP). It provides a framework-agnostic API for implementing MCP servers
 and clients in PHP.
 
@@ -277,9 +288,14 @@ $client->connect($transport);
 
 ## PHP Libraries Using the MCP SDK
 
-- [pronskiy/mcp](https://github.com/pronskiy/mcp) — Additional developer experience layer
+- [api-platform/mcp](https://github.com/api-platform/mcp) — MCP integration for API Platform
+- [bnomei/kirby-mcp](https://github.com/bnomei/kirby-mcp) — MCP server for the Kirby CMS
+- [josbeir/cakephp-synapse](https://github.com/josbeir/cakephp-synapse) — CakePHP plugin exposing application functionality over MCP
+- [nette/mcp-inspector](https://github.com/nette/mcp-inspector) — MCP server for introspecting Nette applications
+- [symfony/ai-mate](https://github.com/symfony/ai-mate) — AI development assistant MCP server for Symfony projects
 - [symfony/mcp-bundle](https://github.com/symfony/mcp-bundle) — Symfony integration bundle
-- [josbeir/cakephp-synapse](https://github.com/josbeir/cakephp-synapse) — CakePHP integration plugin
+
+Building something on top of the SDK? Open a pull request to add it to this list.
 
 ## Contributing
 
diff --git a/tests/Conformance/score.php b/tests/Conformance/score.php
new file mode 100644
index 00000000..b33df91e
--- /dev/null
+++ b/tests/Conformance/score.php
@@ -0,0 +1,116 @@
+<?php
+
+/*
+ * This file is part of the official PHP MCP SDK.
+ *
+ * A collaboration between Symfony and the PHP Foundation.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/*
+ * Turns a conformance run's results into a shields.io endpoint badge JSON, so
+ * the client/server conformance score can be rendered in the README.
+ *
+ *   php score.php <server|client>
+ *
+ * The conformance CLI (run with `--output-dir results`) writes one
+ * `checks.json` per scenario into the `results/` directory next to this file.
+ * A scenario counts as passing when none of its checks has a FAILURE status;
+ * the badge message is "<passed>/<total> (<pct>%)" and is written to
+ * `<suite>-conformance.json`.
+ */
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\SingleCommandApplication;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Finder\Finder;
+
+require_once dirname(__DIR__, 2).'/vendor/autoload.php';
+
+(new SingleCommandApplication())
+    ->setName('conformance-score')
+    ->setDescription('Generates a shields.io endpoint badge from the conformance results')
+    ->addArgument('suite', InputArgument::REQUIRED, 'Which conformance suite was run: "server" or "client"')
+    ->setCode(static function (InputInterface $input, OutputInterface $output): int {
+        $io = new SymfonyStyle($input, $output);
+
+        $suite = $input->getArgument('suite');
+
+        if (!in_array($suite, ['server', 'client'], true)) {
+            $io->error(sprintf('Suite must be "server" or "client", got "%s".', $suite));
+
+            return Command::INVALID;
+        }
+
+        $resultsDir = __DIR__.'/results';
+
+        if (!is_dir($resultsDir)) {
+            $io->error(sprintf('Results directory "%s" does not exist; run the conformance suite with `--output-dir results` first.', $resultsDir));
+
+            return Command::FAILURE;
+        }
+
+        $total = 0;
+        $passed = 0;
+        $failures = [];
+
+        foreach (Finder::create()->files()->name('checks.json')->in($resultsDir) as $file) {
+            $checks = json_decode($file->getContents(), true);
+
+            if (!is_array($checks)) {
+                $io->warning(sprintf('Skipping unreadable result file "%s".', $file->getRelativePathname()));
+
+                continue;
+            }
+
+            ++$total;
+
+            foreach ($checks as $check) {
+                if ('FAILURE' === ($check['status'] ?? null)) {
+                    $failures[] = $file->getRelativePath();
+
+                    continue 2;
+                }
+            }
+
+            ++$passed;
+        }
+
+        $pct = $total > 0 ? (int) round($passed / $total * 100) : 0;
+
+        $badge = [
+            'schemaVersion' => 1,
+            'label' => $suite.' conformance',
+            'message' => $total > 0 ? sprintf('%d/%d (%d%%)', $passed, $total, $pct) : 'no data',
+            'color' => match (true) {
+                0 === $total => 'lightgrey',
+                $pct >= 95 => 'brightgreen',
+                $pct >= 80 => 'green',
+                $pct >= 60 => 'yellow',
+                default => 'orange',
+            },
+        ];
+
+        $outputFile = __DIR__.'/'.$suite.'-conformance.json';
+
+        if (false === file_put_contents($outputFile, json_encode($badge, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES)."\n")) {
+            $io->error(sprintf('Could not write badge file "%s".', $outputFile));
+
+            return Command::FAILURE;
+        }
+
+        if ($failures && $io->isVerbose()) {
+            $io->section('Failing scenarios');
+            $io->listing($failures);
+        }
+
+        $io->success(sprintf('%s: %s', $badge['label'], $badge['message']));
+
+        return Command::SUCCESS;
+    })
+    ->run();